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小学四年级科学上册

elationshi p betw een Gover nment and business. T he "two sessi ons", General Se cretary of "Pro", "clear" the w ord succinctly summarize d the new relati onship betwee n Gover nment a nd busi ness, as pure politics, reshapi ng the p olitical rel ationshi p specified i n the directi on. District lea ders i n ha ndling politi cal a nd busi ness relati ons, engage i n tr ading pow er for mone y, and finally stum bled, we a lesson, always keep i n mind that "Pro", "clea n" practi cing "Pro", "cle ar". "Pro" is to open a sincere e ngagement with private enterpri se to help solve pra ctical difficultie s; " Clear "is to clarify the Divi sion of powe r, exercised in accorda nce with, private entrepre ne urs with i nnoce nt pur ity, not abusing pow er for personal gai n, not to engage i n trading power for mone y. Thir d, in order to mai ntain fairness and justi ce. Fairne ss a nd justice i s the lifeline of the rule of law, i s the best devel opme nt env ironment. Curre ntly, lax law e nforceme nt and t he judici al se ctor in our regi on also exist to varying degrees, la w enfor cement departments a nd i ndivi dual window units power for personal gai ns and bri bes, t hick

friends, rel ations, human case s, money ca ses i n whi ch seri ously i nfringe on t he legitimate rights and interests of enter prises and pe opl e. Espe cially some law e nforceme nt and inspe ction for pr ofit pur poses, deli berately looking for cor porate loophol es, foun d dire ctly under t he ticket doe s not giv e busine ss impr ovement opportunities. We recr uit a compa ny doesn't easil y, cultivating a bu sine ss more difficult, never for personal gai n, systemati c harassment, card, l ast checke d to che ck to get t he e nterprise collapsed. o g uarantee the legitimate rig hts and intere sts. Alway s procee d from the overall sit uation of reform and dev elopment of serv ices, fully consider t he chara cteristics of pr oduction a nd ma nagement i n non-publi c enter prise s and social be nefits, an accurate grasp of legal limits, prote ct the enthusia sm of entre prene urs a nd practitioners i n i nnovati on a nd entrepr ene urship, enhanci ng expe ctations and confidence. o promote stri ct enfor cement. Strengthe ning la w enfor cement procedures, impr ove law enforcement performance evaluati on, strengthe ning the supervisi on of law

enforceme nt, explorati on a nd pra ctice of risk control mechani sm of law enfor cement to further standardize t he social security, ur ba n management, r oad traffic administrative law e nforceme nt, effectively free, extensive law-enfor cement a nd lax enfor cement of law enforceme nt and other i ssues. To uphol d justice. Justice i s the last li ne of Defense t o safeguar d fairness a nd justi ce, to une quivocally support the courts and procurat orates indepe nde ntly exercise lev el ... Judicial a ctivities wer e rampant, must not be allowe d to run, favors, money, must not be allow ed to k nowi ngly violate the miscarriage, violati ons of the legitimate rights a nd intere sts of the masses must not be al lowe d to abuse of powe r, to make forest mass can be felt in every judicial cases i n equity and justi ce. Four to deepe n grass-roots governa nce accordi ng to law chai n do long, and put scale big. To serve the devel opment of enterprises. Duocuo simulta neo usly impr oving servi ce efficie ncy, build better public service s platform, enhance w ork efficiency, i nitiative to hel p busi nesse s solv e the pr oje ct procedures, f ina nci ng loa ns,

issue s such as la nd-use approval, re duce operating costs, busi ness travel light and e nha nce t he confi dence to overc ome all ki nds of difficultie s and the Foundati on, rea l entre prene urial passi on play entre preneurship, enhance the interna l vitality and creativity. SI XING an construction, pr omoting the rule of law, trie s to make t he transformati on of forest devel opment XI General S ecretary stressed, to reinvig orate Northeast Chi na, optimized devel opme nt environment i s very important. Envir onme nt of rule of law most gather M oss, the most conducive to development. Improvi ng the lea di ng cadre s ' using t he method of tho ught and the rule of law Admi nistration work, problem-solvi ng, the ability t o pr omote the devel opme nt, is the key to pr omoting t he r ule of law. T he law may affect the efficiency of out of the path of devel opme nt will be more smooth, w on development gai ns will be sustai ned, and e nd wit h greater efficiency. Lea ding cadre s at all level s shoul d take the lead i n respe ct of law la w, a bide by, and actively foster S oci alist culture, actively promoti ng the fiel d of multi-level

governance a ccording t o law, gui de the ma sses a nd consciously a bide by the la w, faili ng to find law, solve t he pr oblem by law, in a ccordance wit h the l aw prevail. XXX admini stration by law of lea ding cadres do not exist on t he rul e of law, law enfor cement, casual, a nd vow not to invest ors, the ne w score s and ot her turmoil. T hese important ex positi ons on my district create good development e nvironme nt with highly targeted and gui dance, espe cially the General Secretary pointe d out that the chaos in my area also exists t o varying degrees, some eve n quite seri ous. Lea ding cadre s at all l evels must impr ove the devel opment e nvironment of rul e of law as a fundamental task, adhere t o t he pr oblem oriente d, solid a nd solve t he pr oblem s in the constr ucti on of r ule of la w, to r ule the new effect for development e nvironme nt improveme nts. o hol d "key minority". Lea ders of this gr oup, althoug h few in numbe r, but the effect i s critical. If a local lea ders take the lead rig ht according to la w, i n accor dance wit h the la w, the local CPPCC fresh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a l ocal leader s of ignoring t he law, impunity, not only t he political environment w ill be destr oyed, w ill have serious im plications for t he development e nvironme nt. Now, some leadi ng ca dres la ck of aware ness on t he im portance of lear ning, that lear n or not does not matter. Thi nk e fficiency is t oo l ow too much, a ct accor ding t o the procedure, tha n an executive order getti ng along with. In deali ng with com plex issues, often speak of "settli ng" and "done"; on the i ssue of ha ndling letters a nd vi sits, like t o spend money and buy stop and sta ble, but di sregard the law a dministr ation, i n accor dance wit h the la w, the rule cha in do l ong, a nd put scale big. o serve the devel opme nt of enter prises. Duocuo simultaneously impr oving service efficiency, buil d better public services platform, e nha nce work effici ency, i nitiative to help busine sses solve t he pr oje ct procedures, fina ncing loa ns, i ssue s such as la nd-use approval, re duce operating costs, busi ness travel lig ht and enha nce t he confidence to overcome all kinds of difficulties and the Foundation, real e ntrepre neuri al passion play

entrepre neurship, enhance the i nternal vitality and creativit y. SI XING a n constr ucti on, promoting t he rule of law, tries to make the transformation of forest devel opme nt XI General Se cretary stresse d, to reinvig orate Nort heast China, optimize d deve lopme nt environment is very im portant. E nvironment of rule of law most gather Moss, the most conducive t o devel opme nt. Improvi ng the lea ding cadres ' using t he method of thought a nd the rule of law Administration work, problem-solvi ng, the a bility to pr omote the development, i s the key to pr omoting the rule of law. T he law may affect the efficiency of out of the path of devel opme nt will be more smooth, w on development gains will be sustaine d, and end with greater efficie ncy. Lea ding cadres at all level s should take the lea d in respe ct of law law, a bide by, a nd a ctively foster Socialist culture, actively pr omoting t he field of multi evel governa nce a ccordi ng to law, g uide t he masse s and consciously abide by t he law, failing to find law, solve the problem by la w, in a ccordance wit h the law prevail. XXX admini stration by law of leadi ng ca dres

do not exist on the rul e of law, la w enfor cement, casua l, and vow not to inve stors, t he new scores and ot her turmoil. The se important expositions on my distri ct create good development e nvironme nt with highly targeted a nd guida nce, e specially the Ge neral Secretary pointe d out that the cha os i n my area also exists t o varying degre es, some even quite serious. Leadi ng ca dres at all levels m ust improve t he deve lopme nt envir onment of rule of law as a f undamental task, a dher e to the problem orie nted, solid a nd solve the problems i n the construction of rule of la w, to rul e the new effect for devel opment e nvironment improveme nts. o hold "key minority". Leaders of this gr oup, althoug h few in numbe r, but the ef fect is criti cal. If a l ocal lea ders take the l ead right a ccordi ng to law, i n accor dance wit h the la w, the l ocal CPPCC fresh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a local lea ders of ignoring t he law, impunity, not only the politi cal envir onme nt will be destroye d, will have seri ous implicati ons for the development envir onme nt. Now some lea ding cadres la ck of

awareness on t he importance of learni ng, that lear n or not does not matter. Think effici ency is too l ow too much, act a ccordi ng to the pr oce dure, t han a n executive order getting al ong w ith. In deali ng with complex i ssue s, often speak of "settling" and "done"; on the i ssue of ha ndli ng letters and vi sits, like to spend money and buy st op a nd sta ble, but disregar d the law a dminist ration, in a ccorda nce with the la w, the rule

小学四年级科学上册

第一部分

第一单元第一课空气的性质

1、空气具有（）、（）、（）、（）等性质。

2、空气和水的相同点有：（）、（）、（）、（）；

不同点有：（）、（）、（）、（）。

3、喷气气球充气越多，它跑的距离（）；喷气式飞机运用了空气的（）推进飞机飞行。

4、日常生活中，利用了压缩空气的地方有（）、（）。

5、空气具有（），空气被压缩的程度越大，产生的弹力（）。第一单元第二课热空气和冷空气

1、冷空气（）是因为冷空气比同体积的热空气重，热空气（）是因为热空气比同体积的冷空气轻。

2、制冷空调应该挂在房间（）方，取暖器应该放在房间（）方。

3、三国时，我们中国人利用（）的原理发明了（）；1783年，法国人利用（）的原理成功制造出( )。

4、由于地面上各个地方的冷热程度不一样，冷空气总要向热的地方流动，空气的（）就形成了风。

5、在没有风的情况下，为什么烟总是向上升？

答：因为烟是受过热的空气即热空气，而热空气比冷空气轻，所以烟总是向上升。

interests of citize ns, l egal persons, carry out crimi nal policy of temper justi ce with mer cy, t he maximum stimulating soci al vitality, and ear nestly safeguar d social harmony a nd sta bility. To resolve social conflicts by law. To furt her smooth channel s of reporti ng social conditions a nd public opi nion, i mproving regulati on, arbitration, as well a s di spute re sol ution mechanisms, implement fully t he petiti oner s ' case s "third-party" heari ngs and supervi sing system of letters a nd calls, a nd to re solve the involve d law law suit int o the or bit of rule of law, vexatious, Twi ning visit vi sit, dist urbi ng social order and other mali cious extorti on, resolutely crack dow n. Five, impr oving cadres V itale, provide strong protecti on for forest development XI Ge neral Secretary stre sse d that the compre he nsive revitalizati on in Nort heast China, nee ds a high quality, soli d style, cadres of the dare t o play. Cadr e cadr es is a ple dge, should wa nt to do work a nd a ble to do good, enthusia sm is paramount. Treat part y ca dres, it is necessary to Stri ct management, and warm care, e nable t he br oad masses of ca dres w ork hard work,

this is two parallel pri nci ples. In stri ct accorda nce with the standards of good cadre s sele ction and appointme nt, the real officer s, dare officers, those w ho wa nt to pla y, good as excellent cadres at all level s of leader shi p in the past. At present, some leadi ng ca dres work i nitiative is not hig h, beyond political, idl e, lazy gover nance gover nance, not as, sl ow, messy and a phenomenon still exi st to varying degre es, affected a nd restri cted economic a nd socia l devel opment. We must mobilize t he ent husiasm of ca dres as a n urgent task, a dhere to combinati on of ince ntives a nd constrai nts, and a dher e to the strict management and warm care, practi cal sol ution "for the officers not to" problem, motivate ca dres a nd better lead the masses to a n undertaki ng, the cadres a nd create the new achieveme nt in a dare t o play, good at shows as new. To ide ntify the problem, a ccurate pul seof law to visit and contri bute to make visit s to the vexatious visits arr ogance. On the se issues, w e nee d to have a proper understa ndi ng, should take the lea d to esta blish a sense of fear of the law, strengthen the application of

the rule of law and t he rul e of law work of thinki ng and take up re sponsi bility for the construction of the r ule of law. Put learni ng first. Premise i s ignorant of the la w, abide by the law. Leadi ng cadre s at all levels should take t he lead i n studying t he Constit ution and l aws a nd regul ations cl osely rela ted t o work assume d by, an a ccurate grasp of the basi c position of our party to a ddress the issue of the rul e of law, k now n for the scale t o do t hing s, figure out how to use it right, w hat thing s do, what not to do, it ca n never "legal litera cy". T o e nha nce the aware ness of the rule of law. Firmly establish the supremacy of constitutional la w, legal equality befor e the, right by the law makes t he right to statutory, as well a s the rule of law devel op habits of rule of la w, to di scar d the rul e and ca nnot, must n ot get overridden by aut hority, at the right pressure. Shoul d take the lea d to abi de by. Fulfi l its mandate in strict accor dance with statutory a uthority a nd procedures, no matter what you want to a dhere to the la w, t houg ht of rule by law and the r ule of law to ta ckle hot issues, effective statutory duty

must be, without aut hori zation, is not availa ble. S uch as construction areas, some cadres are be cause there is no procedure is foll owed by the rule s, pai d a heavy pri ce, we shoul d lear n from them, i n strict a ccorda nce with the law on bidding a nd im plementati on ... Pr omised t o give prefere ntial poli cies for e nterprises, hesitant t o ca sh or cash not at all. Masse s feel strongly about t hese i ssues, it i s ne cessary to be solved. o a ccelerate de centrali zation. Spe cificati on list li st list of power s, responsi bilities a nd negative, clearance, rev ocation does not a dapt t o the curre nt situati on of the dev elopme nt of policy docume nts, espe cially the rig ht to a dministrative examinati on a nd a ppr oval, the ca ncellati on m ust be ca ncele d, the del egation m ust be de centralize d to achieve zer o-wait, one-st op, seamless, improve admini strative efficiency an d servi ce level s. In parti cula r, the delegati on of powers must be ca ught properly, never a ble to l oft is no answer, no one care s, ca use ba ckfire, pe ople work harde r. To carry out t he cam paign. Crack down on law enforcement reg ulations, uncivil and not as, a

undermining economic development, such as environmental problems, pay cl ose attenti on t o the gra ss-r oots l evel weak nesses, stri ctly investigate a nd deal wit h the grass-roots level corruption and denial of Justice against t he i nterests of t he masse s, suc h as corr uption a nd corr uption, r uthless people around "flies", furt her optimization of the devel opme nt envir onment. In particular, strengtheni ng the construction of Governme nt credit, and trustw orthy practice for compani es a nd i nvestors, and must not bre ak faith with t he people, promise s and the promi se to t he societ y. To buil d a newof law to vi sit and contri bute to make visits to the vexatious visits arroga nce. On these issues, we need t o have a proper understanding, shoul d take the lead t o establish a se nse of fear of the la w, stre ngthe n the a ppl ication of the rule of law a nd t he rul e of law w ork of t hinki ng and take up r esponsi bility for t he constr ucti on of the r ule of law. Put lear ning first. Premise i s ignorant of t he la w, abi de by the law. Lea ding cadres at all levels shoul d take the lead i n st udyi ng the Constituti on a nd la ws a nd

regulations cl osely relate d to work a ssume d by, an a ccurate grasp of the basi c positi on of our party to a ddress the i ssue of the rul e of law, k now n for the scale t o do t hing s, figure out how to use it right, w hat thing s do, what not to do, it ca n never "legal literacy". To e nha nce t he aware ness of the r ule of law. Firmly establi sh the supremacy of constitutional la w, legal e quality before the, rig ht by the law makes t he right to statutory, as well a s the rul e of law devel op habits of rule of law, to di scard t he rul e and cannot, m ust not get overridden by authority, at t he right pre ssure. Should take t he lead to a bide by. Fulfil its mandate i n strict a ccorda nce wit h statut ory a uthority and procedures, no matter what you want t o adhere to the law, t hought of rule by law a nd the r ule of law to ta ckle hot issues, effective statutory duty must be, without a uthori zation, is not availabl e. Such as constr uction areas, some cadres are because there is no procedure is follow ed by t he rule s, pai d a heavy price, we should lear n from them, in stri ct accordance with t he law on bi ddi ng and impleme ntation ... Pr omised

to give preferential poli cies for enter prises, hesitant to cash or cash not at all. Ma sses feel strongly about t hese i ssue s, it is ne cessary to be solved. To accelerate dece ntralization. Specificati on li st list list of pow ers, responsi bilitie s and negative, cleara nce, revocation does not adapt to t he current situation of the devel opme nt of policy docume nts, e spe cially the right to a dmini strative examination and approval, t he cancellation must be canceled, the delegati on must be de centralize d to a chiev e zero-wait, one-st op, seamless, improve a dmini strative efficiency and servi ce level s. In parti cula r, the delegation of power s must be caught properly, never a ble t o loft is no a nsw er, no one cares, ca use backfire, pe ople w ork harder. To carry out t he cam paign. Crack down on la w enfor cement reg ulations, uncivil a nd not as, as underm ini ng economic development, such a s envir onmental problems, pay ose attenti on t o the gra ss-r oots l evel weak nesses, stri ctly investigate a nd deal w ith the grass-root s level corruption and denial of Justi ce against the i nterests of the masses, such as corr upti on a nd

corruption, ruthless people around "flies", further optimization of the devel opme nt environment. In parti cula r, strengt heni ng the construction of Gover nment cre dit, and trustw orthy practi ce for compani es and invest ors, and must not break faith wit h the people, pr omises a nd t he promi se to the societ y. To build a new

elationshi p betw een Gover nment and business. T he "two sessi ons", General Se cretary of "Pro", "clear" the w ord succinctly sum marize d the new relati onship betwee n Gover nment a nd busi ness, as pure politics, reshapi ng the political rel ationshi p specified i n the directi on. District lea ders i n ha ndling politi cal a nd busi ness relati ons, engage i n trading pow er for mone y, and finally stum bled, we a lesson, always keep i n mind that "Pro", "clea n" practi cing "Pro", "cle ar". "Pro" is to open a sincere e ngagement with private enterpri se to help solve pra ctical difficultie s; " Clear "is to clarify the Divi sion of powe r, exercised in accorda nce with, private entrepre ne urs with i nnoce nt pur ity, not abusing pow er for personal gai n, not to engage i n trading power for mone y. Thir d, in order to mai ntain fairness and justi ce. Fairne ss a nd justice i s the lifeline of the rule of law, i s the best devel opme nt env ironment. Curre ntly, lax law e nforcem nt and t he judici al se ctor in our regi on also exist to varying degrees, la w enfor cement departments a nd i ndivi dual window units power for personal gai ns and bri bes, t hick

friends, rel ations, human case s, money ca ses i n whi ch seri ously i nfringe on t he legitimate rights and interests of enter prises and pe opl e. Espe cially some law e nforceme nt and inspe ction for pr ofit pur poses, deli berately looking for cor porate loophol es, found dire ctly under t he ticket doe s not giv e busine ss impr ovement opportunities. We r ecr uit a compa ny doesn't easil y, cultivating a busine ss more difficult, never for personal gai n, systemati c harassment, card, l ast c hecke d to che ck to get t he e nterprise collapsed. o g uarantee the legitimate rig hts and intere sts. Alway s procee d from the ov erall sit uation of reform and dev elopment of services, fully consider t he chara cteristics of pr oduction a nd ma nagement i n non-publi c enter prise s and social be nefits, an accurate grasp of legal limits, prote ct the enthusia sm of entre prene urs a nd practitioners i n i nnovati on a nd entrepr ene urship, enhanci ng expe ctations and confidence. o promote stri ct enfor cement. Strengthe ning la w enfor cement procedures, impr ove law enforcement performance evaluati on, strengthe ning the supervisi on of law

enforceme nt, explorati on a nd pra ctice of risk control mechani sm of law enfor cement to further standardize t he social security, ur ba n management, r oad traffic administrative law e nforceme nt, effectively free, extensive law-enfor cement a nd lax enfor cement of law enforceme nt and other i ssues. To uphol d justice. Justice i s the last li ne of Defense to safeguar d fairness a nd justi ce, to une quivocally support the courts and procurat orates indepe nde ntly exercise lev el ... Judicial a ctivities wer e rampant, must not be allowe d to run, favors, money, must not be allow ed to k nowi ngly violate the miscarriage, violati ons of the legitimate rights a nd intere sts of the m asses must not be al lowe d to abuse of powe r, to make forest mass can be felt in every judicial cases i n equity and justi ce. Four to deepe n grass-roots governa nce accordi ng to law chai n do long, and put scale big. To serve the devel opment of enterprises. Duocuo simulta neo usly impr oving servi ce efficie ncy, build better public service s platform, enhance w ork efficiency, i nitiative to hel p busi nesse s solv e the pr oje ct procedures, fina nci ng loa ns,

issue s such as la nd-use approval, re duce operating costs, busi ness travel light and e nha nce t he confi dence to overcome all ki nds of difficultie s and the Foundati on, rea l entre prene urial passi on play entre preneurship, enhance the interna l vitality and creativity. SI XING an construction, pr omoting the rule of law, trie s t o make t he transformati on of forest devel opment XI General S ecretary stressed, to reinvig orate Northeast Chi na, optimized devel opme nt environment i s very important. Envir onme nt of rule of law most gather M oss, the most conducive to development. Improvi ng the lea di ng cadre s ' using t he method of thought and the rule of law Admi nistration work, problem-solvi ng, the ability t o pr omote the devel opme nt, is the key to pr omoting t he r ule of law. T he law may affect the efficiency of out of the path of devel opme nt will be more smooth, w on development gai ns will be sustai ned, and e nd wit h greater efficiency. Lea ding cadre s at all level s sh oul d take the lead i n respe ct of law la w, a bide by, and actively foster S oci alist culture, actively promoti ng the fiel d of multi-level

governance a ccording t o law, gui de the ma sses a nd consciously a bide by the la w, faili ng to find law, solve t he pr oblem by law, in a ccordance wit h the l aw prevail. XXX admini stration by law of lea ding cadres do not exist on t he rul e of law, law enfor cem ent, casual, a nd vow not to invest ors, the ne w score s and ot her turmoil. T hese important ex positi ons on my district create go od development e nvironme nt with highly targeted and gui dance, espe cially the General Secretary pointe d out that the chaos in my area also exists t o varying degrees, some eve n quite seri ous. Lea ding cadre s at all l evels must impr ove the devel opment e nvironm ent of rul e of law as a fundamental task, adhere to t he pr oblem oriente d, solid a nd solve t he pr oblem s in the constr ucti on of r ule of la w, to r ule the new effect for development e nvironme nt improveme nts. o hol d "key minority". Lea ders of this gr oup, althoug h few in numbe r, but the effect i s critical. If a local lea ders take the lead rig ht according to la w, i n accor dance wit h the la w, the local CPPCC fresh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a l ocal leader s of ignoring t he law, impunity, not only t he political environment w ill be destr oyed, w ill have serious im plications for t he development e nvironme nt. Now, some leadi ng ca dres la ck of aware ness on t he importance of lear ning, that lear n or not does not matter. Thi nk e fficiency is t oo l ow too much, a ct accor ding t o the procedure, tha n an executive order getti ng along with. In deali ng with com plex issues, often speak of "settli ng" and "done"; on the i ssue of ha ndling letters a nd vi sits, like t o spend money and buy stop and sta ble, b ut di sregard the law a dministr ation, i n accor dance wit h the la w, the rule cha in do l ong, a nd put scale big. o serve the devel opme nt of enter prises. Duocuo simultaneously impr oving service efficiency, buil d better public services platform, e nha nce work effici ency, i nitiative to help busine sses solve t he pr oje ct procedures, fina ncing loa ns, i ssue s such as la nd-use approval, re duce operating costs, busi ness travel lig ht and enha nce t he confidence to overcome all kinds of difficulties and the Foundation, real e ntrepre neuri al passion play

do not exist on the rul e of law, la w enfor cement, casua l, and vow not to inve stors, t he new scores and ot her turmoil. The se important expositions on my distri ct create good development e nvironme nt with highly targeted a nd guida nce, e specially the Ge neral Secretary pointe d out that the cha os i n my area also exists t o varying degre es, some even quite serious. Leadi ng ca dres at all levels m ust improve t he deve lopme nt envir onment of rule of law as a f undamental task, a dher e to the problem orie nted, solid a nd solve the problems i n the construction of rule of la w, to rul e the new effect for devel opment e nvironment improveme nts. o hold "key minority". Leaders of this gr oup, althoug h few in numbe r, but the effect is criti cal. If a l ocal lea ders take the l ead right a ccordi ng to law, i n accor dance wit h the la w, the l ocal CPPCC fresh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a local lea ders of ignoring t he law, impunity, not only the politi cal envir onme nt will be destroye d, will have seri ous implicati ons for the developm ent envir onme nt. Now some lea ding cadres la ck of

第一单元第三课空气中有什么

1、空气中支持燃烧的气体叫做（），占空气体积的（）%，其他的主要是（）占空气体积的（）%，此外还有少量的（）（）等。

2、将澄清的石灰水倒入烧杯中，敞口放置于空气中一段时间，石灰水表面出现了一层白膜，证明空气中有（）。

3、制取二氧化碳：在一只瓶里放入一些小苏打，再倒入一些醋，瓶里出现的泡泡就是（）。

4、二氧化碳的性质①.使澄清的石灰石变浑浊；②.灭火。

5、二氧化碳灭火器的原理是什么？

答：二氧化碳灭火器是利用不支持燃烧和比空气重的原理来工作的。

第一单元第四课空气也是生命之源

1、地球上几乎所有的生物都需要空气，污染的空气中含有大量的( ),会危害( )和( )。

2、汽车尾气会麻痹人的神经，造成体内缺氧，甚至造成（）。

3、燃烧垃圾会产生大量的黑烟和（），燃烧塑料会产生（），会严重损害人和动物的肝脏和脑

4、大气污染的主要来源是（）和（）。

5、森林有（）、“天然空调器”、“绿色蓄水库”、（）等美誉。

6、我们能为净化空气做些什么？答：

第二单元第一课冷热与温度

1、物体的冷热程度叫做（）；（）可以准确地测出物体的温度。

interests of citize ns, l egal persons, carry out crimi nal policy of temper justi ce with mer cy, t he maximum stimulating soci al vitality, and ear nestly safeguar d social harmony a nd sta bility. To resolve social conflicts by law. To furt her smooth chan nel s of reporti ng social conditions a nd public opi nion, i mproving regulati on, arbitration, as well a s di spute re sol ution mech anisms, implement fully t he petiti oner s ' case s "third-party" heari ngs and supervi sing system of letters a nd calls, a nd to re solve the involve d law law suit int o the or bit of rule of law, vexatious, Twi ning visit vi sit, dist urbi ng social order and other mali cious extorti on, resolutely crack dow n. Five, impr oving cadres V itale, provide strong protecti on for forest development XI Ge neral Secretary stre sse d that the compre he nsive revitalizati on in Nort heast China, nee ds a high quality, soli d style, cadres of the dare t o play. Cadr e cadr es is a ple dge, should wa nt to do work a nd a ble to do good, enthusia sm is paramount. Treat party ca dr es, it is necessary to Stri ct management, and warm care, e nable t he br oad masses of ca dres w ork hard work,

the rule of law and t he rul e of law work of thinki ng and take up re sponsi bility for the construction of the r ule of law. Put learni ng first. Premise i s ignorant of the la w, abide by the law. Leadi ng cadre s at all levels should take t he lead i n studying t he Constit ution and l aws a nd regul ations cl osely rela ted to work assume d by, an a ccurate grasp of the basi c position of our party to a ddress the issue of the rul e of law, k now n for the scale t o do t hing s, figure out how to use it right, w hat thing s do, what not to do, it ca n never "legal litera cy". T o e nha nce the aware ness of the rule of law. Firmly establish the supremacy of constitutional la w, legal equality befor e the, right by the law makes t he right to statutory, as well a s the rule of law devel op habits of rule of la w, to di scar d the rul e and ca nnot, must not get overridden by aut hority, at the right pressure. Shoul d take the lea d to abi de by. Fulfi l its mandate in strict accor dance with statutory a uthority a nd procedures, no matter what you want to a dhere to the la w, t houg ht of rule by law and the r ule of law to ta ckle hot issues, effective statutory duty

must be, without aut hori zation, is not availa ble. S uch as construction areas, some cadres are be cause there is no procedure is foll owed by the rule s, pai d a heavy pri ce, we shoul d lear n from them, i n strict a ccorda nce with the law on bidding a nd im plementati on ... Pr omised t o give prefere ntial poli cies for e nterprises, hesitant t o ca sh or cash not at all. Masse s feel strongly about t hese i ssues, it i s ne cessary to be solved. To a ccelerate de centrali zation. Spe cificati on list li st list of power s, responsi bilities a nd negative, clearance, rev ocation does not a dapt t o the curre nt situati on of the dev elopme nt of policy docume nts, espe cially the rig ht to a dministrative examinati on a nd a ppr oval, the ca ncellati on m ust be ca ncele d, the del egation m ust be de centralize d to achieve zer o-wait, one-st op, seamless, improve admini strative efficiency and servi ce level s. In parti cula r, the delegati on of powers must be ca ught properly, never a ble to l oft is no answer, no one care s, ca use ba ckfire, pe ople work harde r. To carry out t he cam paign. Crack down on law enforcement reg ulations, uncivil and not as, a

undermining economic development, such as environmental problems, pay cl ose attenti on t o the gra ss-r oots l evel weak nesses, stri ctly investigate a nd deal wit h the grass-roots level corruption and denial of Justice against t he i nterests of t he masse s, such as corr uption a nd corr uption, r uthless people around "flies", furt her optimization of the devel opme nt envir onment. In particular, strengtheni ng the construction of Governme nt credit, and trustw orthy practice for compani es a nd i nvestors, and must not bre ak faith with t he people, promise s and the promi se to t he societ y. To buil d a newof law to vi sit and contri bute to make visits to the vexatious visits arroga nce. On these issues, we need t o have a proper understanding, shoul d take the lead t o establish a se nse of fear of the la w, stre ngthe n the a ppl ication of the rule of law a nd t he rul e of law w ork of t hinki ng and take up r esponsi bility for t he constr ucti on of the r ule of law. Put lear ning first. Premise i s ignorant of t he la w, abi de by the law. Lea ding cadres at all levels shoul d take the lead i n st udyi ng the Constituti on a nd la ws a nd

regulations cl osely relate d to work a ssume d by, an a ccurate grasp of the basi c positi on of our party to a ddress the i ssue of the rul e of law, k now n for the scale t o do t hing s, figure out how to use it right, w hat thing s do, what not to do, it ca n never "legal literacy". To e nha nce t he aware ness of the r ule of law. Firmly establi sh the supremacy of constitutional la w, legal e quality before the, rig ht by the law makes t he right to statutory, as well a s the rul e of law devel op habits of rule of law, to di scard t he rul e and cannot, m ust not get overridden by authority, at t he right pre ssure. Should take t he lead to a bide by. Fulfil its mandate i n strict a ccorda nce wit h statutory a uthor ity and procedures, no matter what you want t o adhere to the law, t hought of rule by law a nd the r ule of law to ta ckle hot issues, effective statutory duty must be, without a uthori zation, is not availabl e. Such as constr uction areas, some cadres are becaus e there is no procedure is follow ed by t he rule s, pai d a heavy price, we should lear n from them, in stri ct accordance with t he law on bi ddi ng and impleme ntation ... Pr omised

to give preferential poli cies for enter prises, hesitant to cash or cash not at all. Ma sses feel strongly about t hese i ssue s, it is ne cessary to be solved. To accelerate dece ntralization. Specificati on li st list list of pow ers, responsi bilitie s and negative, cleara nce, revocation does not adapt to t he current situation of the devel opme nt of policy docume nts, e spe cially the right to a dmini strative examination and approval, t he cancellation must be canceled, the delegati on must be de centralize d to a chiev e zero-wait, one-st op, seamless, improve a dmini strative efficiency and servi ce level s. In parti cula r, the delegation of power s must be caught properly, never a ble t o loft is no a nsw er, no one cares, ca use backfire, pe ople w ork harder. To carry out t he cam paign. Crack down on la w enfor cement reg ulations, uncivil a nd not as, as undermini ng econ omic development, such a s envir onmental problems, pay ose attenti on t o the gra ss-r oots l evel weak nesses, stri ctly investigate a nd deal w ith the grass-root s level corruption and denial of Justi ce against the i nterests of the masses, such as corr upti on a nd

elationshi p betw een Gover nment and business. T he "two sessi ons", General Se cretary of "Pro", "clear" the w ord succinctly summarize d the new relati onship betwee n Gover nment a nd busi ness, as pure politics, reshapi ng the political rel ationshi p specified i n the directi on. District lea ders i n ha ndling politi cal a nd busi ness relati ons, engage n trading pow er for mone y, and finally stum bled, we a lesson, always keep i n mind that "Pro", "clea n" practi cing "Pro", "cle ar". "Pro" is to open a sincere e ngagement with private enterpri se to help solve pra ctical difficultie s; " Clear "is to clarify the Divi sion of powe r, exercised in accorda nce with, private entrepre ne urs with i nnoce nt pur ity, not abusing pow er for personal gai n, not to engage i n trading power for mone y. Thir d, in order to mai ntain fairness and justi ce. Fairne ss a nd justice i s the lifeline of the rule of law, i s the best devel opme nt env ironment. Curre ntly, lax law e nforceme nt and t he judici al se ctor in our regi on also exist to varying degrees, la w enfor cement departments a nd i ndivi dual window units power for personal gai ns and bri bes, t hick

friends, rel ations, human case s, money ca ses i n whi ch seri ously i nfringe on t he legitimate rights and interests of enter prises and pe opl e. Espe cially some law e nforceme nt and inspe ction for pr ofit pur poses, deli berately looking for cor porate loophol es, found dire ctly under t he ticket doe s not giv e busine ss impr ovement opportunities. We recr uit a compa ny doesn't easil y, cultivating a busine ss more difficult, never for personal gai n, systemati c harassment, card, l ast checke d to che ck to get t he e nterprise collapsed. o g uarantee the legitimate rig hts and intere sts. Alway s procee d from the overall sit uation of reform and dev elopment of services, fully consider t he chara cteristics of pr oduction a nd ma nagement i n non-publi c enter prise s and social be nefits, an accurate grasp of legal limits, prote ct the enthusia sm of entre prene urs a nd practitioners i n i nnovati on a nd entrepr ene urship, enhanci ng expe ctations and confidence. o promote stri ct enfor cement. Strengthe ning la w enfor cement procedures, impr ove law enforcement performance evaluati on, strengthe ning the supervisi on of law

issue s such as la nd-use approval, re duce operating costs, busi ness travel light and e nha nce t he confi dence to overcome all ki nds of difficultie s and the Foundati on, rea l entre prene urial passi on play entre preneurship, enhance the interna l vitality and creativity. SI XING an construction, pr omoting the rule of law, trie s to make t he transformati on of forest devel opment XI General S ecretary stressed, to reinvig orate Northeast Chi na, optimized devel opme nt environment i s very important. Envir onme nt of rule of law most gather M oss, the most conducive to development. Improvi ng the lea di ng cadre s ' using t he method of thought and the rule of law Admi nistration work, problem-solvi ng, the ability t o pr omote the devel opme nt, is the key to pr omoting t he r ule of law. T he law may affect the efficiency of out of the path of devel opme nt will be more smooth, w on development gai ns will be sustai ned, and e nd wit h greater efficiency. Lea ding cadre s at all level s shoul d take the lead i n respe ct of law la w, a bide by, and actively foster S oci alist culture, actively promoti ng the fiel d of multi-level

entrepre neurship, enhance the i nternal vitality and creativit y. SI XING a n constr ucti on, promoting t he rule of law, tries to make the transformation of forest devel opme nt XI General Se cretary stresse d, to reinvig orate Nort heast China, optimize d deve lopme nt environment is very im portant. E nvironment of rule of law most gather Moss, the most conducive t o devel opme nt. Improvi ng the lea ding cadres using t he method of thought a nd the rule of law Administration work, problem-solvi ng, the a bility to pr omote the development, i s the key to pr omoting the rule of law. T he law may affect the efficiency of out of the path of devel opme nt will be more smooth, w on development gains will be sustaine d, and end with greater efficie ncy. Lea ding cadres at all level s should take the lea d in respe ct of law law, a bide by, a nd a ctively foster Socialist culture, actively pr omoting t he field of multi evel governa nce a ccordi ng to law, g uide t he masse s and consciously abide by t he law, failing to find law, solve the problem by la w, in a ccordance wit h the law prevail. XXX admini stration by law of leadi ng ca dres

do not exist on the rul e of law, la w enfor cement, casua l, and vow not to inve stors, t he new scores and ot her turmoil. The se important expositions on my distri ct create good development e nvironme nt with highly targeted a nd guida nce, e specially the Ge neral Secretary pointe d out that the cha os i n my area also exists t o varying degre es, some even quite serious. Leadi ng ca dres at all levels m ust improve t he deve lopme nt envir onment of rule of law as a f undamental task, a dher e to the problem orie nted, solid a nd solve the problems i n the construction of rule of la w, to rul e the new effect for devel opment e nvironment improveme nts. o hold "key minority". Leaders of this gr oup, althoug h few in numbe r, but t he effect is criti cal. If a l ocal lea ders take the l ead right a ccordi ng to law, i n accor dance wit h the la w, the l ocal CPPCC f resh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a local lea ders of ignoring t he law, impunity, not only the politi cal envir onme nt will be destroye d, will have seri ous implicati ons for the development envir onme nt. Now, some lea ding cadres la ck of

awareness on t he importance of learni ng, that lear n or not does not matter. Think effici ency is too l ow too much, act a ccordi ng to the pr oce dure, t han a n executive order getting al ong w ith. In deali ng with complex i ssue s, often speak of "settling" and "done"; on the i ssue of ha ndli ng letters and vi sits, like to spend money and buy st op a nd sta ble, but disregar d the law a dm inistration, in a ccorda nce with the la w, the rule

我们知道的温度计有（）、（）、（）、（）等。2、正确使用温度计的方法是：①.温度计是易碎品，使用时要轻拿轻放；②.在测量液体的温度是，温度计下端的液泡要完全浸没在液体中，不能碰到容器的底和侧；③.要等温度计内的液柱不再上升或下降时才能认读，并且非要使视线与温度计液柱的顶端保持水平。

3、一杯水会逐渐变凉，其过程是（）。

第二单元第二课热的传递

1、热总是从（）向（）传递的。

2、热在固体中，从（）的地方传到（）的地方，这种传热的方式称为（）。

3、正确使用酒精灯的方法①.先观察，确定酒精灯内的酒精量不超过瓶体的2/3。打开瓶帽，将瓶帽竖放在灯旁；②.用点着的火柴自下而上斜向点燃酒精灯灯芯；③.把被加热物体放在火焰中温度最高的外焰部分加热；④.用完酒精灯后，用灯帽自上方斜向盖灭火焰。

4、液体或气体受热上升、遇冷下降，使冷热液体或气体相互混合，这种传热方式称为（）。

5、热在空气中的传递是通过冷热空气的（）来实现的。

6、不靠空气、水或其它物体也能传递热，这种传热方式称为（）。

7、烈日下的物体烫手是太阳的热（）到地面的物体上来了。

第二单元第三课加热和冷却

1、很多物体像糖和蜡烛一样受热会熔化成（），冷却后又凝结成（）。

2、二氧化碳气体在温度很低时，会变成一种叫做（）的固体，温度

interests of citize ns, l egal persons, carry out crimi nal policy of temper justi ce with mer cy, t he maximum stimulating soci al vitality, and ear nestly safeguar d social harmony a nd sta bility. To resolve social conflicts by law. To furt her smooth channel s of reporti ng social conditions a nd public opi nion, i mproving regulati on, arbitration, as well a s di spute re sol ution mechanisms, implement fully t he petiti oner s ' case s "third-party" heari ngs and supervi sing system of letters a nd calls, a nd to re solve the involve d law law suit int o the or bit of rule of law, vexatious, Twi ning visit vi sit, dist urbi ng social order and other mali cious extorti on, resolutely crack dow n. Five, impr oving cadres V itale, provide strong protecti on for forest development XI Ge neral Secretary stre sse d that the compre he nsive revitalizati on in Nort heast China, nee ds a high quality, soli d style, cadres of the dare t o play. Cadr e cadr es is a ple dge, should wa nt to do work a nd a ble to do good, enthusia sm is paramount. Treat party ca dres, it is necessary to Stri ct management, and warm care, e nable t he br oad masses of ca dres w ork hard work,

this is two parallel pri nci ples. In stri ct accorda nce with the standards of good cadre s sele ction and appointme nt, the real of ficer s, dare officers, those w ho wa nt to pla y, good as excellent cadres at all level s of leader shi p in the past. At present, some leadi ng ca dres work i nitiative is not hig h, beyond political, idl e, lazy gover nance gover nance, not as, sl ow, messy and a phen omenon still exi st to varying degre es, affected a nd restri cted economic a nd socia l devel opment. We must mobilize t he ent husiasm of ca dres as a n urgent task, a dhere to combinati on of ince ntives a nd constrai nts, and a dher e to the strict management and warm care, practi cal sol ution "for the officers not to" problem, motivate ca dres a nd better lead the masses to a n undertaki ng, the cadres a nd create the new achieveme nt in a dare t o play, good at shows as new. To ide ntify the problem, a ccurate pul seof law to visit and contri bute to make visit s to the vexatious visits arr ogance. On the se issues, w e nee d to have a proper understa ndi ng, s hould take the lea d to esta blish a sense of fear of the law, strengthen the application of

the rule of law and t he rul e of law work of thinki ng and take up re sponsi bility for the construction of the r ule of law. Put learni ng first. Premise i s ignorant of the la w, abide by the law. Leadi ng cadre s at all levels should take t he lead i n studying t he Constit ution and l aws a nd regul ations cl osely rela ted to work assume d by, an a ccurate grasp of the basi c position of our party to a ddress the issue of the rul e of law, k now n for the scale t o do t hing s, figure out how to use it right, w hat thing s do, what not to do, it ca n never "legal litera cy". T o e nha nce the aware ness of the rule of law. Firmly establish the supremacy of constitutional la w, legal equality befor e t he, right by the law makes t he right to statutory, as well a s the rule of law devel op habits of rule of la w, to di scar d the rul e and ca nnot, must not get overridden by aut hority, at the right pressure. Shoul d take the lea d to abi de by. Fulfi l its mandate in strict accor dance with statutory a uthority a nd procedures, no matter what you want to a dhere to the la w, t houg ht of rule by law and the r ule of law to ta ckle hot issues, effective statutory duty

must be, without aut hori zation, is not availa ble. S uch as construction areas, some cadres are be cause there is no procedure is foll owed by the rule s, pai d a heavy pri ce, we shoul d lear n from them, i n strict a ccorda nce with the law on bidding a nd im plementati on ... Pr omised t o give prefere ntial poli cies for e nterprises, hesitant t o ca sh or cash not at all. Masse s feel strongly about t hese i ssues, it i s ne cessary to be solved. To a ccelerate de centrali zation. Spe cificati on list li st list of power s, responsi bilities a nd negative, clearance, rev ocation does not a dapt t o the curre nt situati on of the dev elopme nt of policy docume nts, espe cially the rig ht to a dministrative examinati on a nd a ppr oval, the ca ncellati on m ust be ca ncele d, the del egation m ust be de centralize d to achieve zer o-wait, one-st op, seamless, improve admini strative efficiency and servi ce level s. In parti cula r, the delegati on of powers must be ca ught properly, never a ble to l oft is no answer, no one care s, ca use ba ckfire, pe ople work harde r. To carry out t he cam paign. Crack down on law enforcement reg ulation s, uncivil and not as, a

undermining economic development, such as environmental problems, pay cl ose attenti on t o the gra ss-r oots l evel weak nesses, stri ctly investigate a nd deal wit h the grass-roots level corruption and denial of Justice against t he i nterests of t he masse s, such as corr uption a nd corr uption, r uthless people around "flies", furt her optimization of the devel opme nt envir onment. In particular, strengtheni ng the construction of Governme nt credit, and trustw orthy practice for compani es a nd i nvestors, and must not bre ak faith with t he people, promise s and the promi se to t he societ y. To buil d a newof law to vi sit and contri bute to make visits to the vexatious visits arroga nce. On these issues, we need t o have a proper understanding, shoul d take the lead t o establish a se nse of fear of the la w, stre ngthe n the a ppl ication of the rule of law a nd t he rul e of law w ork of t hinki ng and take up r esponsi bility for t he constr ucti on of the r ule of law. Put lear ning first. Premise i s ignorant of t he la w, abi de by the law. Lea ding cadres at all levels shoul d take the lead i n st udyi ng the Constituti on a nd la ws a nd

regulations cl osely relate d to work a ssume d by, an a ccurate grasp of the basi c positi on of our party to a ddress the i ssue of the rul e of law, k now n for the scale t o do t hing s, figure out how to use it right, w hat thing s do, what not to do, it ca n never "legal literacy". To e nha nce t he aware ness of the r ule of law. Firmly establi sh the supremacy of constitutional la w, legal e quality before the, rig ht by the law makes t he right to statutory, as well a s the rul e of law devel op habits of rule of law, to di scard t he rul e and cannot, m ust not get overridden by authority, at t he right pre ssure. Should take t he lead to a bide by. Fulfil its mandate i n strict a ccorda nce wit h statutory a uthority and procedures, no matter what you want t o adhere to the law, t hought of rule by law a nd the r ule of law to ta ckle hot issues, effective statutory duty must be, without a uthori zation, is not availabl e. Such as constr uction areas, some cadres are because there is no procedure is follow ed by t he rule s, pai d a heavy price, we should lear n from them, in stri ct accordance with t he law on bi ddi ng and impleme ntation ... Pr omised

to give preferential poli cies for enter prises, hesitant to cash or cash not at all. Ma sses feel strongly about t hese i ssue s, it is ne cessary to be solved. To accelerate dece ntralization. Specificati on li st list list of pow ers, responsi bilitie s and negative, cleara nce, revocation does not adapt to t he current situation of the devel opme nt of policy docume nts, e spe cially the right to a dmini strative examination and approval, t he cancellation must be canceled, the delegati on must be de centralize d to a chiev e zero-wait, one-st op, seamless, improve a dmini strative efficiency and servi ce level s. In parti cula r, the delegation of power s must be caught properly, never a ble t o loft is no a nsw er, no one cares, ca use backfire, pe ople w ork harder. To carry out t he cam paign. Crack down on la w enfor cement reg ulations, uncivil a nd not as, as undermini ng economic development, such a s envir onmental problems, pay ose attenti on t o the gra ss-r oots l evel weak nesses, stri ctly investigate a nd deal w ith the grass-root s level corruption and denial of Justi ce against the i nterests of the masses, s uch as corr upti on a nd

elationshi p betw een Gover nment and business. T he "two sessi ons", General Se cretary of "Pro", "clear" the w ord succinctly sum marize d the new relati onship betwee n Gover nment a nd busi ness, as pure politics, reshapi ng the political rel ationshi p specified i n the directi on. District lea ders i n ha ndling politi cal a nd busi ness relati ons, engage i n trading pow er for mone y, and finally stum bled, we a lesson, always keep i n mind that "Pro", "clea n" practi cing "Pro", "cle ar". "Pro" is to open a sincere e ngagement with private enterpri se to help solve pra ctical difficultie s; " Clear "is to clarify the Divi sion of powe r, exercised in accorda nce with, private entrepre ne urs with i nnoce nt pur ity, not abusing pow er for personal gai n, not to engage i n trading power for mone y. Thir d, in order to mai ntain fairness and justi ce. Fairne ss a nd justice i s the lifeline of the rule of law, i s the best devel opme nt env ironment. Curre ntly, lax law e nforcem nt and t he judici al se ctor in our regi on also exist to varying degrees, la w enfor cement departments a nd i ndivi dual window units power for personal gai ns and bri bes, t hick

friends, rel ations, human case s, money ca ses i n whi ch seri ously i nfringe on t he legitimate rights and interests of enter prises and pe opl e. Espe cially some law e nforceme nt and inspe ction for pr ofit pur poses, deli berately looking for cor porate loophol es, found dire ctly under t he ticket doe s not giv e busine ss impr ovement opportunities. We r ecr uit a compa ny doesn't easil y, cultivating a busine ss more difficult, never for personal gai n, systemati c harassment, card, l ast c hecke d to che ck to get t he e nterprise collapsed. o g uarantee the legitimate rig hts and intere sts. Alway s procee d from the ov erall sit uation of reform and dev elopment of services, fully consider t he chara cteristics of pr oduction a nd ma nagement i n non-publi c enter prise s and social be nefits, an accurate grasp of legal limits, prote ct the enthusia sm of entre prene urs a nd practitioners i n i nnovati on a nd entrepr ene urship, enhanci ng expe ctations and confidence. o promote stri ct enfor cement. Strengthe ning la w enfor cement procedures, impr ove law enforcement performance evaluati on, strengthe ning the supervisi on of law

enforceme nt, explorati on a nd pra ctice of risk control mechani sm of law enfor cement to further standardize t he social security, ur ba n management, r oad traffic administrative law e nforceme nt, effectively free, extensive law-enfor cement a nd lax enfor cement of law enforceme nt and other i ssues. To uphol d justice. Justice i s the last li ne of Defense to safeguar d fairness a nd justi ce, to une quivocally support the courts and procurat orates indepe nde ntly exercise lev el ... Judicial a ctivities wer e rampant, must not be allowe d to run, favors, money, must not be allow ed to k nowi ngly violate the miscarriage, violati ons of the legitimate rights a nd intere sts of the m asses must not be al lowe d to abuse of powe r, to make forest mass can be felt in every judicial cases i n equity and justi ce. Four to deepe n grass-roots governa nce accordi ng to law chai n do long, and put scale big. To serve the devel opment of enterprises. Duocuo simulta neo usly impr oving servi ce efficie ncy, build better public service s platform, enhance w ork efficiency, i nitiative to hel p busi nesse s solv e the pr oje ct procedures, fina nci ng loa ns,

issue s such as la nd-use approval, re duce operating costs, busi ness travel light and e nha nce t he confi dence to overcome all ki nds of difficultie s and the Foundati on, rea l entre prene urial passi on play entre preneurship, enhance the interna l vitality and creativity. SI XING an construction, pr omoting the rule of law, trie s t o make t he transformati on of forest devel opment XI General S ecretary stressed, to reinvig orate Northeast Chi na, optimized devel opme nt environment i s very important. Envir onme nt of rule of law most gather M oss, the most conducive to development. Improvi ng the lea di ng cadre s ' using t he method of thought and the rule of law Admi nistration work, problem-solvi ng, the ability t o pr omote the devel opme nt, is the key to pr omoting t he r ule of law. T he law may affect the efficiency of out of the path of devel opme nt will be more smooth, w on development gai ns will be sustai ned, and e nd wit h greater efficiency. Lea ding cadre s at all level s sh oul d take the lead i n respe ct of law la w, a bide by, and actively foster S oci alist culture, actively promoti ng the fiel d of multi-level

governance a ccording t o law, gui de the ma sses a nd consciously a bide by the la w, faili ng to find law, solve t he pr oblem by law, in a ccordance wit h the l aw prevail. XXX admini stration by law of lea ding cadres do not exist on t he rul e of law, law enfor cem ent, casual, a nd vow not to invest ors, the ne w score s and ot her turmoil. T hese important ex positi ons on my district create go od development e nvironme nt with highly targeted and gui dance, espe cially the General Secretary pointe d out that the chaos in my area also exists t o varying degrees, some eve n quite seri ous. Lea ding cadre s at all l evels must impr ove the devel opment e nvironm ent of rul e of law as a fundamental task, adhere to t he pr oblem oriente d, solid a nd solve t he pr oblem s in the constr ucti on of r ule of la w, to r ule the new effect for development e nvironme nt improveme nts. o hol d "key minority". Lea ders of this gr oup, althoug h few in numbe r, but the effect i s critical. If a local lea ders take the lead rig ht according to la w, i n accor dance wit h the la w, the local CPPCC fresh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a l ocal leader s of ignoring t he law, impunity, not only t he political environment w ill be destr oyed, w ill have serious im plications for t he development e nvironme nt. Now, some leadi ng ca dres la ck of aware ness on t he importance of lear ning, that lear n or not does not matter. Thi nk e fficiency is t oo l ow too much, a ct accor ding t o the procedure, tha n an executive order getti ng along with. In deali ng with com plex issues, often speak of "settli ng" and "done"; on the i ssue of ha ndling letters a nd vi sits, like t o spend money and buy stop and sta ble, b ut di sregard the law a dministr ation, i n accor dance wit h the la w, the rule cha in do l ong, a nd put scale big. o serve the devel opme nt of enter prises. Duocuo simultaneously impr oving service efficiency, buil d better public services platform, e nha nce work effici ency, i nitiative to help busine sses solve t he pr oje ct procedures, fina ncing loa ns, i ssue s such as la nd-use approval, re duce operating costs, busi ness travel lig ht and enha nce t he confidence to overcome all kinds of difficulties and the Foundation, real e ntrepre neuri al passion play

do not exist on the rul e of law, la w enfor cement, casua l, and vow not to inve stors, t he new scores and ot her turmoil. The se important expositions on my distri ct create good development e nvironme nt with highly targeted a nd guida nce, e specially the Ge neral Secretary pointe d out that the cha os i n my area also exists t o varying degre es, some even quite serious. Leadi ng ca dres at all levels m ust improve t he deve lopme nt envir onment of rule of law as a f undamental task, a dher e to the problem orie nted, solid a nd solve the problems i n the construction of rule of la w, to rul e the new effect for devel opment e nvironment improveme nts. o hold "key minority". Leaders of this gr oup, althoug h few in numbe r, but the effect is criti cal. If a l ocal lea ders take the l ead right a ccordi ng to law, i n accor dance wit h the la w, the l ocal CPPCC fresh, pragmatic a nd efficie nt devel opme nt environment. Conversely, if a local lea ders of ignoring t he law, impunity, not only the politi cal envir onme nt will be destroye d, will have seri ous implicati ons for the developm ent envir onme nt. Now some lea ding cadres la ck of

升到室温时又能恢复到（）状态。

3、大多数物体在受热时体积会膨胀，冷却时体积会收缩，这种现象叫做（）。

4、温度计是利用物体的（）原理做成的。最早的温度计是意大利科学家（）根据气体的（）现象于1603年造出了（）温度计。

5、在1654年伽利略的学生裴迪南设计了（）温度计；1714年德国物理学家华兰海特发明了华氏温标，用“F”表示，在一个标注大气压下，纯水的冰点为（），沸点为（）；1742年瑞典天文学家摄尔修斯提出摄氏温标，用（）表示，在一个标注大气压下，纯水的冰点为（），沸点为（）。

6、在生活中，人们通过加热和冷却做的事情有：（）、（）、（）。第二单元第四课吸热和散热

1、不同物质的吸热和散热性能（）；同一种物质，表明颜色不一样，它们的吸热和散热性能（）

2、物体在升温时会（）热量，在降温时会（）热量。

3、（）色物体比（）色物体吸热和散热都快。

4、在获得相同热量的情况下，油的升温速度比水（）；在同时停止加热的情况下，油的降温速度比水（）。

5、回答下面的问题：①.为什么冰箱后面的散热板都被漆成黑色？回答：（）②.为什么沙漠地区的人喜穿白色而宽大的衣服？回答：（）；