学业分层测评(五)

学业分层测评(五)Ⅰ.单句语法填空1．When asked to make some comments ________ the mine accident,the mayor of the city said much remained to be looked into before the whole thing was reported to the public.2．All her energies are ________(focus)upon her children and she seems to have little time for anything else.3．Practising Chinese kungfu can not only build ________ one's strength,but also develop one's character.4．We've always regretted________(sell)the farm.5．Kitty,take your umbrella.It can keep your skin free ________ being burnt.6．The ________(produce) of consumer goods has increased throughout the world.7．Her poor English often led ________ misunderstanding when she first went to England many years ago.8．So,in ________(summarize),we've got to try to get further funding.9．Does the virus cause damage ________ the system?10．A lot of poisonous waste from the ________ (chemistry) works polluted the river.【答案】 1.on 2.focused 3.up 4.selling/having sold 5.from/of 6.production7.to8.summary 9．to10.chemicalⅡ.完成句子1．那种颜色的电视价格已经被降到了1 000元.The price of that type of colour TV ________________.2．他一整天都在看电视.He ________________ all day.3．你最好让这片区域免受污染.You'd better keep this area ________________.4．他走了,留下我做剩下的所有工作.He left,________________ all the rest work.5．集中注意力学习是很重要的,尤其是在这样特殊的日子里.________________ is very important,especially on such particular days.【答案】 1.has been reduced to 1,000 yuan 2.has been watching television 3.free of pollution 4．leaving me to do 5.Focusing on your studyⅢ.阅读理解ALONDON (Reuters)—Organic (有机的) fruit,deliveredright to the doorstep.That is what Gabriel Gold prefers,and heis willing to pay for it.If this is not possible, the 26-year-oldcomputer technician will spend the extra money at the supermarket buying organic food.“Organic produce is always better,” Gold said.“The food is free of pesticides (农药),and you are generally supporting family farms instead of largefarms.And more often than not it is locally grown and seasonal,so it is more tasty.”Gold is one of a growing number of shoppers buying into the_organic_trend,and supermarkets across Britain are counting on more like him as they grow their organic food business.But how many shoppers really know what they are getting,and why are they willing to pay a higher price for organic produce? Market research shows that Gold and others who buy organic food can generally give clear reasons for their preferences—but their knowledge of organic food is far from complete.For example,small amounts of pesticides can be used on organic products.And about three quarters of organic food in Britain is not local but imported to meet growing demand.“The demand for organic food is increasing by about one third every year,so it is a very fast-growing market,”said Sue Flock,a specialist in this line of business.【语篇解读】本文为一篇新闻报道.主要介绍了伦敦有机食品的需求量上升,使有机食品市场成为快速增长的市场.1．More and more people in Britain are buying organic food because ________.A．they are getting richerB．they can get the food anywhereC．they consider the food free of pollutionD．they like home-grown fruit【解析】细节理解题.由文章第一段信息Organic(有机的)fruit,delivered right to the doorstep.That is what Gabriel Gold prefers和第二段信息you are generally supporting family farms instead of large farms和Gold is one of a growing number of shoppers buying into the organic trend可知D项正确.【答案】 D2．According to the text,most organic produce sold in Britain________.A．grows indoors all year roundB．is produced outside BritainC．is grown on family farmsD．is produced on large farms【解析】细节理解题.由文章第二段Gold所说的话The food is free of pesticides(农药),and you are generally supporting family farms instead of large farms.And more often than not it is locally grown and seasonal,so it is more tasty.可知C项正确.【答案】 C3．The underlined words“the organic trend” in the text probably mean “________”．A．growing interest in organic foodB．better qualities of organic foodC．rising market for organic foodD．higher prices of organic food【解析】词义猜测题.由短文最后一句可以看出,由于人们对organic food 越来越感兴趣,其需求量越来越大.【答案】 A4．What is the best title for this news story?A．Organic Food—Healthy,or Just for the Wealthy?B．The Making of Organic Food in BritainC．Organic Food—to Import or NotD．Good Qualities of Organic Food【解析】主旨大意题.有机食品的需求量上升,使有机食品市场成为快速增长的市场.所以,“Organic Food—Healthy,or Just for the Wealthy？”是比较恰当的题目.【答案】 ABAccording to a new study,putting preschoolers(学龄前儿童) in bed by 8 p．m.could reduce their chances of becoming overweight or obese later in life by half.Preschoolers are children around the age of 4 or 5.The World Health Organization says obesity can lead to serious long-term health problems like diabetes,heart disease and stroke.Researchers from the Ohio State University's College of Public Health have found that young children who go to bed after 9 p．m.are twice as likely to be obese later in life.The researchers wrote their findings in The Journal of Pediatrics.The lead author of the study is Sarah Anderson.She is an associate professor of epidemiology(流行病学)．Anderson says that,for parents,the results of the study support the importance of creating a bedtime routine.She says that having a usual bedtime routine is something “families can do to lower their children's risk” of becoming overweight.Researchers used data from 977 children for the study.These children are part of a larger project called the Study of Early Child Care and Youth De v elopment.The project follows healthy babies born in 1991 in 10 cities in US.When these children turned 15 years old,the researchers looked at their rates of obesity.Of those with the earliest bedtimes,only one out of 10 was obese.Of those who went to bed between 8 and 9 p．m.,16 percent became obese.And out of those with the latest bedtimes,23 percent became obese.The World Health Organization reported in 2014 that the number of overweight babies and young children worldwide had increased from 31 million in 1990 to 44 million in 2012.If that trend continues,the WHO warns,there will be 70 million obese children in the world by 2025.5．According to the passage,the risk of obesity________.A．can be cut by half if children go to bed by 9 p．m.B．can lead to low blood pressure,diabetes and heart diseaseC．is the highest at the age of 4 or 5D．is higher for those children who sleep late at night【解析】细节理解题.根据第一段中的“According to a new study,putting preschoolers in bed by 8 p．m.could reduce their chances of becoming overweight or obese later in life by half.”(根据一项新研究,在晚上八点前睡觉,能减少学龄前儿童变得超重的机会或者减少他们后期成为肥胖的一半的几率.)可推断出,那些晚睡的孩子更有可能变得肥胖.故选D.【答案】 D6．The underlined word “obese” in the first paragraph means ________.A．heavy B．lightC．fat D．slim【解析】词义猜测题.根据所在句意及其前的overweight(超重)可知,此处应指“肥胖”.故选C.【答案】 C7．Which of the following statements is TRUE about the research?A．The research is organized by the World Health Organization.B．The result shows that children sleeping before 8 p．m.have the lowest rate of obesity.C．The findings are based on the data provided by The Journal of Pediatrics.D．The research is funded(提供资金) by the Study of Early Child Care and Youth De v elopment.【解析】细节理解题.根据第一段中的“According to a new study,putting preschoolers in bed by 8 p．m.could reduce their chances of becoming overweight or obese later in life by half.”(根据一项新研究,在晚上八点前睡觉,能减少学龄前儿童变得超重的机会或者减少他们后期成为肥胖的一半的几率.)可知,八点之前睡觉的孩子变得肥胖的几率最低.根据第三段中的“Researchers from the Ohio State University's College of Public Health”可知,这项研究不是世界卫生组织主办的；根据第六段中的“Researchers used data from 977 children for the study.”可知,研究数据来自于977名儿童,并非来自于《儿童科学杂志》(The Journal of Pediatrics)；全文并没有提及研究资金的来源问题.故选B.【答案】 B8．What is the author's attitude towards the result of the research?A．Objective. B．Disappointed.C．Positive. D．Satisfied.【解析】推理判断题.通读全文可知,本文介绍了关于早睡能有效减少儿童肥胖风险的研究,作者客观介绍了研究结果及过程,没有发表自己的观点.objective 客观的.故选A.【答案】 AⅣ.阅读填句【导学号：10642030】What you do each morning affects your entire day.The choices that we repeatedly make determine the life we live.__1__·Manage your energy,not your time.If you think about it,you'll probably realize that you are better at doing certain tasks at certain times.For example, my creative energy is highest in the morning,so that's when I do my writing each day.However,I spend my afternoons on phone calls,and emails,which don't need my creative energy to be high.__2__ What task is that energy best suited for?·Prepare the night before.It is really necessary to spend a few minutes each night organizing your to-do list for tomorrow.When I do it,I'll outline the article I'm going to write the next day and develop a short list of the most important items for me to do.__3__·__4__Sounds simple,yet nobody does it.It took me a while to get over the urge(渴望) to open my inbox,but finally I realized that everything can wait a few hours.Nobody is going to email you about a true emergency (a death in the family,etc.),so leave your email alone for the first few hours of each day.·Turn your phone off.This reduces the urge to check text messages.This simple method reduces the possibility that you waste time on meaningless tasks.You've got 25,000 mornings.__5__A．Don't open email until noon.B．What will you do with each one?C．Leave your phone in another room.D．What type of energy do you have in the morning?E．Try your best to finish your work in the morning.F．It takes 10 minutes that night and saves 3 hours the next day. G．Here are the methods that I've found to get the most out of my morning. 【答案】1－5GDFAB。

Module 5 The First Americans Section Ⅳ Reading Practice &Cultural Corner & WritingⅠ.单词拼写1．His manner seemed unpleasant at first, but he improved on further_______(了解)．2．She tried to________(隐瞒) what she had done to them, but in vain.3．The actor has________(追求) fame all his life, but regretfully, he has never experienced it.4．Sometimes we deal with some painting here, but this is________(主要地) a furniture shop.5．The Sahara Desert is a nature________(屏障) between North and Central Africa.6．Older people may seek their happiness rather than________(依靠) on their children too much.7．California has a lot of________(移民) from all over the world.8．The player has not recovered________(足够地) to play in the semi­final tomorrow.9．Over the years, wool business has developed into a highly________(盈利的) business.10．There is an________(氛围) of peace and calm in the country, quite different from that of a big city.【答案】 1.acquaintance 2.conceal 3.pursued4．primarily 5.barrier 6.depend 7.immigrants 8．sufficiently 9.profitable 10.atmosphereⅡ.阅读理解AIn the United States, the area of study with the fewest international students is agriculture.The number was about 9,000 during the last school year.More than ten times as many studied business or engineering.But the crop of foreign students in agriculture and natural resources was 20% bigger than the year before.The Institute of International Education in New York says that was the biggest increase of any area of study.About one hundred colleges and universities began as public agricultural schools and continue to teach agriculture.In 1862, Congress passed law that gave thousands of hectares(公顷) to eachstate.States were to sell the land and use the money to establish colleges to teach agriculture, engineering and military science.The state of Michigan already had an agricultural college.But that college was the first to officially agree to receive support under the Morrill Act.It grew into what is now Michigan State University in East Lansing.Today, Michigan State has more than 40,000 students.More than 4,000 of them are international students.They come from 125 countries.The College of Agriculture and Natural Resources at Michigan State University offers 60 programs of study.Richard Brandenburg is the associate dean for graduate programs.He says foreign agriculture students this year are from countries including Japan, the Netherlands, Rwanda, El Salvador, Turkey, Sri Lanka and India.In all, the college has 433 foreign students in East Lansing.It also has 11 students at a campus in Dubai.The only agriculture program currently offered in Dubai is construction management.【语篇解读】本文列举了一些数据说明了农学正在升温的事实；又介绍了一些美国的农学院和学校。

学业分层测评(二十一) 用证据说话(建议用时：45分钟)[学业达标]1．下列属于我国行政诉讼法规定的证据种类是( )①物证②书证③证人证言④现场笔录A．①②③B．②③④C．①②③④D．①③④【解析】我国行政诉讼法规定的共同的证据种类包括物证、书证、证人证言、视听资料、电子数据、鉴定意见、当事人的陈述、勘验笔记、现场笔录。

据此规定，可知①②③④全选。

【答案】C2．双方当事人对同一事实分别举出相反的证据，但都没有足够的依据否定对方证据的，人民法院应当怎样处理( )A．结合案件情况，并对证明力度较大的证据予以确认B．通过双方辩论确定胜负C．应当不予采信双方的证据D．责令当事人提出新的证据【解析】依据法律规定，应对双方证据进行对比，取信于证明力度较大的证据，以维护公正。

【答案】A3．赵某在不知情的情况下，代销了一批商品，后经县工商局检验为假货，赵某被没收了商品，吊销了营业执照，并罚款2万元。

赵某认为处罚太重，于是申请了行政复议，但仍然维持了原处罚。

在这种情况下，赵某将工商局告上了法院。

在此案中负有举证责任的是( )A．赵某B．工商局C．法院D．公安机关【解析】本案属于行政诉讼。

按法律规定，在行政诉讼中，由作为被告的行政机关提供该具体行政行为的证据和所依据的规范性文件，所以上述案件应该由工商局负举证责任。

【答案】B4．在行政诉讼中，作为被告的__________应当提供作出该具体行政行为的证据和所依据的规范性文件( )A．公安机关B．行政机关C．司法机关D．人民法院【解析】由于行政诉讼的核心问题是行政机关作出的具体行政行为是不是合法，这种具体行政行为是由行政机关单方作出的；况且，较之行政机关的物力、财力、人力，普通公民无法与之抗衡。

所以，作为被告的行政机关负有举证责任。

【答案】B[能力提升]5．家住南京的老林与郑某再婚，遭到同住一起的女儿林某的再三阻挠，但他们最终成婚并生活在了一起。

后来老林生病住院，其女儿林某对他不闻不问，老林很生气，一怒之下将林某赶走。

高中英语学习材料（灿若寒星*制作整理）学业分层测评(五)Ⅰ.单句语法填空1．Please learn the new words and expressions (express)by heart.2．The famous actress，Fan Bingbing，plays a leading role in the TV play.3．Jobs was recognized (recognize)as/to be a genius of computer.4．You are requested not to smoke (smoke) in the public places.5．She has a good command of English.6．There are many poor people in African (Africa) countries.7．This is because the earth is travelling round the sun.8．Generally speaking，the eastern (east) part of China is more developed than the west.9．He was admitted to a very famous university.But I have no such luck.10．He works in the same school as I do.Ⅱ.完成句子【导学号：12664034】1．手机在我们的日常生活中起着重要的作用。

Mobile phones are playing an important part in our daily life.2．她精通英语，所以她英语歌曲唱得很好。

She has a command of English，so she sings English songs well.3．那是因为人们希望和平能够重返这个国家。

学业分层测评(五)(建议用时：45分钟)[学业达标]一、选择题1．在△ABC 中，∠ACB ＝90°，CD ⊥AB 于D ，AD ＝3，BD ＝2，则AC ∶BC 的值是( )A ．3∶2B ．9∶4 C.3∶ 2D.2∶ 3【解析】 如图，在Rt △ACB 中，CD ⊥AB ，由射影定理知AC 2＝AD ·AB ，BC 2＝BD ·AB ， 又∵AD ＝3，BD ＝2， ∴AB ＝AD ＋BD ＝5，∴AC 2＝3×5＝15，BC 2＝2×5＝10. ∴AC BC ＝1510＝32，即AC ∶BC ＝3∶2， 故选C. 【答案】 C2.如图1-4-9所示，在△ABC 中，∠ACB ＝90°，CD ⊥AB ，D 为垂足，若CD ＝6，AD ∶DB ＝1∶2，则AD 的值是( )图1-4-9A ．6B ．3 2C ．18D ．3 6【解析】 由题意知⎩⎪⎨⎪⎧AD DB ＝12，AD ·DB ＝36，∴AD2＝18，∴AD＝3 2.【答案】 B3．一个直角三角形的一条直角边为3 cm，斜边上的高为2.4 cm，则这个直角三角形的面积为()【导学号：07370021】A．7.2 cm2B．6 cm2C．12 cm2D．24 cm2【解析】长为3 cm的直角边在斜边上的射影为32－2.42＝1.8(cm)，由射影定理知斜边长为321.8＝5(cm)，∴三角形面积为12×5×2.4＝6(cm2)．【答案】 B4．在Rt△ABC中，∠BAC＝90°，AD⊥BC于点D，若ACAB＝34，则BDCD等于()A.34 B.43C.169 D.916【解析】如图，由射影定理，得AC2＝CD·BC，AB2＝BD·BC，∴AC2AB2＝CDBD＝⎝⎛⎭⎪⎫342，即CDBD＝916，∴BDCD＝169.【答案】 C5．在Rt△ACB中，∠ACB＝90°，CD⊥AB于D，若BD∶AD＝1∶4，则tan ∠BCD的值是()【导学号：07370022】A. 14 B.13C.12D．2【解析】如图，由射影定理得CD2＝AD·BD.又∵BD∶AD＝1∶4，令BD＝x，则AD＝4x(x>0)，∴CD2＝AD·BD＝4x2，∴CD＝2x，在Rt△CDB中，tan∠BCD＝BDCD＝x2x＝12.【答案】 C二、填空题6．如图1-4-10，在矩形ABCD中，AE⊥BD，OF⊥AB.DE∶EB＝1∶3，OF ＝a，则对角线BD的长为________．图1-4-10【解析】∵OF＝a，∴AD＝2a.∵AE⊥BD，∴AD2＝DE·BD.∵DE∶EB＝1∶3，∴DE＝14BD，∴AD2＝14BD·BD，∴BD2＝4AD2＝4×4a2＝16a2，∴BD＝4a.【答案】4a7．如图1-4-11，已知Rt△ABC的两条直角边AC，BC的长分别为3 cm，4 cm，以AC为直径的圆与AB交于点D，则BD＝______cm.图1-4-11【解析】 连接CD ，则CD ⊥AB.由AC ＝3 cm ，BC ＝4 cm ，得AB ＝5 cm. 由射影定理得BC 2＝BD ·BA ，即42＝5BD . 所以BD ＝165 cm. 【答案】 1658．已知在梯形ABCD 中，DC ∥AB ，∠D ＝90°，AC ⊥BC ，AB ＝10 cm ，AC ＝6 cm ，则此梯形的面积为________．【解析】 如图，过C 点作CE ⊥AB 于E . 在Rt △ACB 中，∵AB ＝10 cm ，AC ＝6 cm ， ∴BC ＝8 cm ，∴BE ＝6.4 cm ，AE ＝3.6 cm ， ∴CE ＝ 6.4×3.6＝4.8(cm)， ∴AD ＝4.8 cm.又∵在梯形ABCD 中，CE ⊥AB ， ∴DC ＝AE ＝3.6 cm. ∴S 梯形ABCD ＝(10＋3.6)×4.82＝32.64(cm 2)．【答案】 32.64 cm 2 三、解答题9．已知直角三角形周长为48 cm ，一锐角平分线分对边为3∶5两部分. (1)求直角三角形的三边长； (2)求两直角边在斜边上的射影的长．【解】(1)如图，设CD＝3x，BD＝5x，则BC＝8x，过D 作DE⊥AB，由题意可得，DE＝3x，BE＝4x，∴AE＋AC＋12x＝48.又AE＝AC，∴AC＝24－6x，AB＝24－2x，∴(24－6x)2＋(8x)2＝(24－2x)2，解得x1＝0(舍去)，x2＝2，∴AB＝20，AC＝12，BC＝16，∴三边长分别为20 cm,12 cm,16 cm.(2)作CF⊥AB于F，∴AC2＝AF·AB，∴AF＝AC2AB＝12220＝365(cm)．同理BF＝BC2AB＝16220＝645(cm)．∴两直角边在斜边上的射影长分别为365cm，645cm.10．如图1-4-12所示，CD垂直平分AB，点E在CD上，DF⊥AC，DG⊥BE，点F，G分别为垂足．求证：AF·AC＝BG·BE.图1-4-12【证明】∵CD垂直平分AB，∴△ACD和△BDE均为直角三角形，并且AD＝BD.又∵DF⊥AC，DG⊥BE，∴AF·AC＝AD2，BG·BE＝DB2.∵AD2＝DB2，∴AF·AC＝BG·BE.[能力提升]1．已知直角三角形中两直角边的比为1∶2，则它们在斜边上的射影比为() A．1∶2B．2∶1C．1∶4 D．4∶1【解析】设直角三角形两直角边长分别为1和2，则斜边长为5，∴两直角边在斜边上的射影分别为15和45.【答案】 C2．已知Rt△ABC中，斜边AB＝5 cm，BC＝2 cm，D为AC上一点，DE⊥AB交AB于E，且AD＝3.2 cm，则DE＝()A．1.24 cm B．1.26 cmC．1.28 cm D．1.3 cm【解析】如图，∵∠A＝∠A，∴Rt△ADE∽Rt△ABC，∴ADAB＝DEBC，DE＝AD·BCAB＝3.2×25＝1.28.【答案】 C3．如图1-4-13所示，在Rt△ABC中，∠ACB＝90°，CD⊥AB，AC＝6，AD ＝3.6，则BC＝__________.图1-4-13【解析】由射影定理得，AC2＝AD·AB，BC2＝BD·AB，∴AC2BC2＝ADBD，即BC2＝AC2·BDAD.又∵CD2＝AD·BD，∴BD＝CD2 AD.∴BC 2＝AC 2·CD2AD 2＝62(62－3.62)3.62＝64.∴BC ＝8. 【答案】 84．如图1-4-14，已知BD ，CE 是△ABC 的两条高，过点D 的直线交BC 和BA 的延长线于G ，H ，交CE 于F ，且∠H ＝∠BCE ，求证：GD 2＝FG ·GH .图1-4-14【证明】 ∵∠H ＝∠BCE ，∠EBC ＝∠GBH ， ∴△BCE ∽△BHG ， ∴∠BEC ＝∠BGH ＝90°， ∴HG ⊥BC .∵BD ⊥AC ，在Rt △BCD 中， 由射影定理得，GD 2＝BG ·CG . ① ∵∠FGC ＝∠BGH ＝90°，∠GCF ＝∠H ， ∴△FCG ∽△BHG ， ∴FG BG ＝CGGH ，∴BG ·CG ＝GH ·FG . ② 由①②得，GD 2＝GH ·FG .小课堂：如何培养学生的自主学习能力？自主学习是与传统的接受学习相对应的一种现代化学习方式。

学业分层测评(五)屈原列传[基础巩固层]1．下列加点词的解释，有误的一项是()【导学号：35750038】A. 出则接遇．宾客遇：遇到B. 平伐．其功伐：夸耀C. 明．道德之广崇明：阐明D. 使使如．秦受地如：到，去【解析】接待。

【答案】 A2．下列加点词的意义和用法完全相同的一项是()A．因．留怀王，以求割地又因．厚币用事者臣靳尚B．上官大夫与．之同列屈平不与．C．王怒而．疏屈平顷襄王怒而．迁之D．虽．与日月争光可也虽．放流，眷顾楚国【解析】C项，均为连词，表顺承，于是，就。

A项，介词，趁机/介词，用；B项，介词，和/动词，给；D项，连词，表假设，即使/连词，表转折，虽然。

【答案】 C3．下列各句中，没有词类活用现象的一项是()A. 邪曲之害公也B. 蝉蜕于浊秽C. 怀王贪而信张仪D. 然皆祖屈原之从容辞令【解析】A项，“邪曲”形容词用作名词。

B项，“蝉”名词作状语。

D 项，“祖”名词的意动用法。

【答案】 C4．下列句子中没有通假字的一句是()【导学号：35750039】A．“离骚”者，犹离忧也B．其称文小而其指极大C．厚币委质事楚D．竟死于秦而归葬【解析】A项，离通“罹”；B项，指通“旨”；C项，质通“贽”。

【答案】 D5．下列各句中，句式不同于其他三项的一项是()A．信而见疑，忠而被谤B．故内惑于郑袖，外欺于张仪C．数十年，竟为秦所灭D．人又谁能以身之察察【解析】D项为定语后置句，其他三项为被动句。

【答案】 D[阅读提升层]阅读下面的文言文，完成6～9题。

朱云，字游，鲁人也，徙平陵。

少时通轻侠，借客报仇。

长八尺余，容貌甚白子友受《易》，又事前将军萧望之受《论壮，以勇力闻。

年四十，乃变节从博士．．语》，皆能传其业。

好倜傥大节，当世以是高之。

丞嘉上封事，言：“治道在于得贤。

平陵朱云，兼资文武，忠元帝时，华阴．．正有智略，可使以六百石秩试守御史大夫，以尽其能。

”上乃下其事问公卿。

太子少傅匡衡对，以为“大臣者，国家之股肱，万姓所瞻仰，明王所慎择也。

学业分层测评(五)补集及综合应用(建议用时：45分钟)[学业达标]一、选择题1．若全集U＝{0,1,2,3}且∁U A＝{2}，则集合A的真子集共有()A．3个B．5个C．7个D．8个【解析】A＝{0,1,3}，真子集有23－1＝7.【答案】 C2．已知全集U＝R，A＝{x|x≤0}，B＝{x|x≥1}，则集合∁U(A∪B)＝()A．{x|x≥0} B．{x|x≤1}C．{x|0≤x≤1} D．{x|0<x<1}【解析】由题意可知，A∪B＝{x|x≤0或x≥1}，所以∁U(A∪B)＝{x|0＜x＜1}．【答案】 D3．(2015·天津高考)已知全集U＝{1,2,3,4,5,6,7,8}，集合A＝{2,3,5,6}，集合B＝{1,3,4,6,7}，则集合A∩∁U B＝()A．{2,5} B．{3,6}C．{2,5,6} D．{2,3,5,6,8}【解析】由题意得∁U B＝{2,5,8}，∴A∩∁U B＝{2,3,5,6}∩{2,5,8}＝{2,5}．【答案】 A4．(2016·中山高一检测)设全集U＝{1,2,3,4,5,6,7,8}，集合A＝{1,2,3,5}，B＝{2,4,6}，则图1-1-2中的阴影部分表示的集合为()图1-1-2A．{2} B．{4,6}C．{1,3,5} D．{4,6,7,8}【解析】全集U＝{1,2,3,4,5,6,7,8}，集合A＝{1,2,3,5}，B＝{2,4,6}，由韦恩图可知阴影部分表示的集合为(∁U A)∩B，∵∁U A＝{4,6,7,8}，∴(∁U A)∩B＝{4,6}．故选B.【答案】 B5．(2016·南阳高一检测)已知集合A＝{x|x＜a}，B＝{x|1＜x＜2}，且A∪(∁R B)＝R，则实数a的取值范围是() 【导学号：97030023】A．a≤2 B．a＜1C．a≥2 D．a＞2【解析】∵集合A＝{x|x＜a}，B＝{x|1＜x＜2}，∴∁R B＝{x|x≤1或x≥2}，因为A∪∁R B＝R，所以a≥2，故选C.【答案】 C二、填空题6．(2016·杭州模拟)设集合S＝{x|x>－2}，T＝{x|x2＋3x－4≤0}，则(∁R S)∪T＝________.【解析】∵集合S＝{x|x>－2}，∴∁R S＝{x|x≤－2}，由x2＋3x－4≤0，得T＝{x|－4≤x≤1}，故(∁R S)∪T＝{x|x≤1}．【答案】(－∞，1]7．已知集合A、B均为全集U＝{1,2,3,4}的子集，且∁U(A∪B)＝{4}，B＝{1,2}，则A∩∁B＝________.U【解析】∵U＝{1,2,3,4}，∁U(A∪B)＝{4}，∴A∪B＝{1,2,3}，又∵B＝{1,2}，∴{3}⊆A⊆{1,2,3}．又∁U B＝{3,4}，∴A∩∁U B＝{3}．【答案】{3}8．设全集U＝R，集合A＝{x|x≥0}，B＝{y|y≥1}，则∁U A与∁U B的包含关系是________．【解析】∁U A＝{x|x<0}，∁U B＝{y|y<1}＝{x|x<1}．∴∁U A⊆∁U B.【答案】∁U A⊆∁U B三、解答题9．(2016·宁波高一检测)设A＝{x∈Z||x|＜6}，B＝{1,2,3}，C＝{3,4,5}，求：(1)A∪(B∩C)；(2)A∩∁A(B∪C)．【解】A＝{－5，－4，－3，－2，－1,0,1,2,3,4,5}，(1)由B∩C＝{3}，∴A∪(B∩C)＝A＝{－5，－4，－3，－2，－1,0,1,2,3,4,5}．(2)由B∪C＝{1,2,3,4,5}，∁A(B∪C)＝{－5，－4，－3，－2，－1,0}，∴A∩∁A(B∪C)＝{－5，－4，－3，－2，－1,0}．10．设全集为R，A＝{x|3≤x＜7}，B＝{x|2＜x＜10}，求：(1)A∩B；(2)∁R A；(3)∁R(A∪B)．【解】(1)∵A＝{x|3≤x＜7}，B＝{x|2＜x＜10}，∴A∩B＝{x|3≤x＜7}．(2)又全集为R，A＝{x|3≤x＜7}，∴∁R A＝{x|x＜3或x≥7}．(3)∵A∪B＝{x|2＜x＜10}，∴∁R(A∪B)＝{x|x≤2或x≥10}．[能力提升]1．(2016·石家庄高一检测)若全集U＝{1,2,3,4,5,6}，M＝{2,3}，N＝{1,4}，则集合{5,6}等于()A．M∪N B．M∩NC．(∁U M)∪(∁U N) D．(∁U M)∩(∁U N)【解析】∵全集U＝{1,2,3,4,5,6}，M＝{2,3}，N＝{1,4}，∴M∪N＝{1,2,3,4}，则(∁U M)∩(∁U N)＝∁U(M∪N)＝{5,6}．故选D.【答案】 D2．已知全集U＝{1,2,3,4,5}，集合A＝{x|x2－3x＋2＝0}，B＝{x|x＝2a，a∈A}，则集合∁U(A ∪B)中元素个数为()A．1 B．2C．3 D．4【解析】∵A＝{1,2}，∴B＝{2,4}，∴A∪B＝{1,2,4}，∴∁U(A∪B)＝{3,5}．【答案】 B3．已知全集U＝{2,3，a2－a－1}，A＝{2,3}，若∁U A＝{1}，则实数a的值是________．【解析】 ∵U ＝{2,3，a 2－a －1}，A ＝{2,3}，∁U A ＝{1}，∴a 2－a －1＝1，即a 2－a －2＝0，解得a ＝－1或a ＝2.【答案】 －1或24．(2016·哈尔滨师大附中高一检测)设全集U ＝R ，集合A ＝{x |x ≤－2或x ≥5}，B ＝{x |x ≤2}．求(1)∁U (A ∪B )；(2)记∁U (A ∪B )＝D ，C ＝{x |2a －3≤x ≤－a }，且C ∩D ＝C ，求a 的取值范围. 【导学号：97030024】【解】 (1)由题意知，A ＝{x |x ≤－2或x ≥5}，B ＝{x |x ≤2}，则A ∪B ＝{x |x ≤2或x ≥5}， 又全集U ＝R ，∁U (A ∪B )＝{x |2＜x ＜5}．(2)由(1)得D ＝{x |2＜x ＜5}，由C ∩D ＝C 得C ⊆D ，①当C ＝∅时，有－a ＜2a －3，解得a ＞1；②当C ≠∅时，有⎩⎨⎧ 2a －3≤－a2a －3>2－a <5，解得a ∈∅. 综上，a 的取值范围为(1，＋∞).。

学业分层测评(五)Ⅰ.单句语法填空1．He was disappointed (see)the result of the exam.2．Teachers should impress the children the virtue of telling the truth.3．After the (perform)，I'm eager to show you around some places of interest.4．She (award)a scholarship to study at Oxford last year.5．I am deeply impressed the great changes that have taken place in our country over the past three years.6．The doctor tried to do an experiment to find out the effect of the medicine the mice.7．Actually，his new novel (base)more his own experience.8．Last year，Bob's total income，with his reward (add)to，added to 20，000 yuan.9．Every one of us in the hospital hoped that he would pick after a few days' treatment.10．The Nile River used (flood)large areas but now the water (use)to produce electricity.【答案】 1.to see 2.with 3.performance 4.was awarded 5.by 6.on 7.is based；on8.added；up 9．up10.to flood；is usedⅡ.单句改错1．Nothing in my life impresses me so deeply as my first visit to the Palace Museum.2．Sam picked some knowledge of the computer just by watching others working on it.3．Tom is used to get up early now.4．Child although he is，he knows much about computer knowledge.5．Swan Lake is a famous ballet in four acts basing on a German fairy tale.6．Whatever hungry I am，I never seem to be able to finish off this loaf of bread.7．Judging by his own standards，Mr.Sarokzy's first year was disappointed.8．The film had great effect on her.9．I like music when he likes sports.10．His school education adds up only one year.【答案】 1.impresses→impressed 2.picked后加up或picked→learned 3.get→getting 4.although→though/as 5.basing→based 6.Whatever→However/ No matter how7.disappointed→disappointing8.had后加a9.when→while 10.up后加toⅢ.阅读理解Rock and roll music developed in the United States in the early nineteen­fifties.It was based on the music called rhythm and blues that was performed by African American musicians.Early rock and roll singers developed their own kinds of music. Elvis Presley，Chuck Berry，the Beach Boys，and Bob Dylan were the most popular rock and roll musicians in the early 1960's.All were American.Then，in 1964，a new rock and roll group from England invaded America：the Beatles.Some people say the Beatles' music shook America like an earthquake.The Beatles changed rock and roll forever.Their early songs were influenced by American rock and roll musicians, including Chuck Berry.But the Beatles looked different and sounded different from any musical group before them.The Beatles released their first album in the United States in 1964，when all of the top five records in America were by the Beatles.In 1967，they released an album called Sergeant Pepper's Lonely Hearts Club Band.It was one of the first “concept”albums.That is，all the songs were linked by a common story or idea.The popularity of the Beatles led the way for more rock and roll bands from England to become popular in America.The Rolling Stones was the most important of these bands.The Rolling Stones is one of the few groups from the 1960's that is still performing and recording today. In 1965，the group recorded one of its most famous songs，Satisfaction.The musical instrument most linked to rock and roll is the guitar.Experts say Jimi Hendrix was one of the most influential guitar players in rock and roll during the late 1960's.His Purple Haze was liked by many people.By the 1970's，rock and roll music became known as rock music.It expanded into many new forms. For example，there was country rock，hard rock，acid rock，heavy metal rock，punk rock，jazz rock，and glitter rock.In the middle 1970's，experts say rock music regained some of the energy of early rock and roll.Bruce Springsteen and the E Street Band became popular with their album Born to Run.Springsteen's music was like the lively rock and roll music of the early nineteen-sixties. Many of his songs were about social issues.He sang about the effects of unemployment and the war in Vietnam.【语篇解读】本文主要介绍了摇滚音乐的发展历史。

学业分层测评(五) 核酸的结构和功能(建议用时：45分钟)[学业达标]1．下图表示一分子()A．核酸B．脱氧核糖核苷酸C．氨基酸D．碱基【解析】由图示碱基T说明该核苷酸为脱氧核糖核苷酸。

【答案】 B2．糖类不含有，脂质不一定有，蛋白质也不一定有，而核酸一定含有的元素是()A．N B．PC．S D．P和S【解析】注意区别各类有机化合物所含化学元素的种类。

【答案】 B3．下列有关遗传信息的叙述，正确的是()A．遗传信息只储存在DNA分子中B．HIV病毒的遗传信息储存在RNA分子中C．所有生物的DNA，都具有相同的脱氧核糖核苷酸排列顺序D．组成DNA的脱氧核糖核苷酸只有4种，所以连成长链时，其排列顺序是有限的【解析】有细胞结构的生物遗传信息贮存在DNA内，有一部分病毒的遗传信息储存在RNA内，如HIV病毒；不同生物的核酸，核苷酸排列的顺序不同；核苷酸连成长链时如果数量不限，排列顺序就是极其多样化的。

【答案】 B4．德伦(Dren)是科幻惊悚片《人兽杂交》的主角，它是一个有着啮齿目动物特征，但是又长着巨大双眼、长尾巴和细胳膊的怪物，而且它还会发出鸟类的叫声。

它是由两位反叛科学家将人类和动物的DNA进行杂交创造出的一个生物。

下列有关该生物DNA的叙述错误的是()A．主要存在于细胞核内B．基本单位是脱氧核苷酸C．含有A、T、G、C 4种碱基D．不是该生物的遗传物质【解析】DNA是核酸的一类，由4种脱氧核苷酸构成，含有A、T、G、C 4种碱基。

由题干信息可知，该生物为真核生物，其遗传物质是DNA，主要存在于细胞核内。

【答案】 D5．核酸是细胞内携带遗传信息的物质，以下关于DNA与RNA特点的比较，叙述正确的是()【导学号：21210008】A．在细胞内存在的主要部位相同B．构成的五碳糖不同C．核苷酸之间的连接方式不同D．构成的碱基相同【解析】DNA和RNA在细胞内的存在位置不同，前者主要存在于细胞核内，后者主要存在于细胞质内；构成两者的五碳糖不同，前者为脱氧核糖，后者为核糖。

学业分层测评(五) 立党为公执政为民[语言运用层]1．填入下面文段空白处的词语，最恰当的一组是( )有的人在填报高考志愿时选报热门专业，理由是能学以致用，__①__是一种误解。

学以致用的真正含义是将学到的知识用于实践，__②__不是看什么东西有用才决定去学。

屏弃功利性__③__使人抱着乐观的态度去学习；__④__有用才去学习会使人产生心理负担，__⑤__总要担心以后会不会真的有用。

抱着功利之心去挑选专业，往往会牺牲自己真正的兴趣，__⑥__毕业后谋到了不错的职位，也不一定就工作得很开心。

【解析】愿、热门专业、学以致用”，再考虑句与句之间的逻辑关系。

①处用“这”来指代上一句话，用“其实”进行引转。

此处用“这其实”“其实这”“实际上”都是可以的。

“是将学到的知识用于实践，不是看什么东西有用才决定去学”“是……不是……”为并列关系，②处不需填内容，当然填“而”也不影响这种关系。

③处需要一个客观表达“屏弃功利性”作用的词“能”或“会”。

至此答案已确定为B，后面可以来验证：④处依旧承接③句客观表达的语气，选“认为”，⑤处解释原因，⑥处和后文的“也”照应。

【答案】 B2．下列各句中没有语病的一句是( )A．开心麻花的小品《扶不扶》成为央视春晚最受欢迎的节目，主演沈腾、马丽随之成为春晚首批黑马，深受广大观众所好评。

B．中央电视台曝光东莞多个娱乐场所存在卖淫嫖娼等违法行为，引发了当地政府的整治行动，广东省委书记胡春华做出批示，要像打击毒品一样扫黄，先治本，综合治理；再治标，打出声威。

C．中央在提出改进工作作风，密切联系群众的“八项规定”后，各地积极落实，并于近期相继向社会公布了具体实施细则。

D．对于中国冬奥军团来说，在短道速滑、自由式滑雪、花样滑冰均实现冬奥会金牌“零的突破”之后，一直不缺代表人物且几度极为接近金牌的女子短距离速滑项目自然会被列为下一个实现突破的目标。

【解析】A项，句式杂糅，去掉“所”；B项，不合逻辑，先治标，再治本；C项，中途易辙，将“在”提到“中央”前。