吉林省实验中学2012届高三第六次模拟英语试题.pdf

吉林重点中学协作体2012届高考适应性测试英语试卷（四）详细解析本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分。

共150分，考试时间120分钟。

第Ⅰ卷第一部分听力(共两节，满分30分)略第二部分英语知识运用(共两节，满分45分)第一节单项填空(共15小题；每小题1分，满分15分)从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。

21．I suggested not only ________ to the meeting but also give a speech there.A．did he go B．his goingC．should he go D．he should go答案与解析：C考查倒装句。

句意：我建议他不但要参加这次会议，而且还要在那做报告。

not only...but also...引导两个并列句子时，not only引导的句子要倒装。

再根据前面主句是“I suggested...”可以排除A项。

因此C项为正确答案。

22．A poem written by an American poet is usually harder to understand than ________ by a Chinese poet.A．that B．itC．which D．one答案与解析：D一首由美国诗人写的诗往往比中国诗人写的难懂。

one表示泛指，指代上文提到的同类事物A poem。

23．As some experts say, shopping by television will never take ________ place of shopping in stores, because many people find shopping at a store is ________ great enjoyment.A．/; a B．the; aC．a; the D．a; /答案与解析：B take the place of“代替……”。

考点1 宇宙中的地球 一、选择题 （2011·上海地理·T1～3·6分）21世纪人类将进入开发月球资源，探索太空的新时代，人类的美好愿望终将变成现实。

1．月球的表面形态留给人类深刻印象。

下列因素中，影响月表形态形成的主要因素是 A．太阳的能量 B．地球的引力 C．陨石的撞击 D．太阳风侵袭 2．若科学家在未来的月球表面实验站进行科学实验，其利用的月球表面特殊条件是 ①弱重力 ②超高温 ③低辐射 ④高真空 A．①② B．③④ C．②③ D．①④ 3．月球和地球距太阳的距离差别不大，但表面环境迥然不同，其主要原因是二者的 A．质量差异 B．形状差异 C．自转差异 D．公转差异 【思路点拨】本题主要考查了人类对宇宙的新探索，解答该题的关键点是： （1）地球体积和质量适中，形成大气层，由于大气层的保护，受陨石等影响较小，而月球缺少大气层的保护，受陨石撞击较明显。

（2）宇宙空间具有地面实验室难以模拟的物理条件，即高真空、强辐射和失重。

【精讲精析】1选C，2选D，3选A。

第1题，月球表面由于缺少大气层的保护，受陨石的撞击较大，从而在其表面形成了大大小小的“陨石坑”，塑造了月表的形态。

第2题，月球表面和宇宙空间都具有高真空、强辐射和失重等地面实验室难以模拟的物理条件，为科学实验提供了条件。

第3题，由于地球的体积和质量适中，其引力可以使大量气体聚集在地球周围，形成包围地球的大气层，而月球质量较小，没有形成大气层，大气层的存在使得地球的表面环境与月球不同。

（2011·上海地理·T23～25·6分） 4．就相同海拔高度来说，该山地南北两坡年降水量 A．大致相等 B．北坡较多 C．南坡较多 D．难以判断 5．该山地年降水量随海拔高度升高而减少的高度出现在 A．南坡3500米 B．南坡2000米 C．北坡3500米 D．北坡2000米 6．该山地所属山脉可能是 A．南岭 B．秦岭 C．阴山山脉 D．天山山脉 【思路点拨】解答本题关键是学会判断地形剖面对应的降水量。

吉林市普通中学2011 — 2012学年度高中毕业班摸底测试英语听力部分第一部分听力（共两节，满分30分）第一节(共5小题；每小题1.5分，满分7.5分)听下面5段对话。

每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置，听完每段对话后，你都有10秒钟的时间回答有关小题和阅读下一小题。

每段对话仅读一遍。

1. Who is the secretary now?A. Linda.B. Betty.C. Susan.2. How many students took the exam?A. Fifty students.B. Forty students.C. Twenty-five students.3. What does the woman mean?A. Martha won’t come.B. Martha will be late.C. Martha will come at 7:00.4. Where did this conversation most probably take place?A. At a railway station.B. At an airport.C. In Miami.5. What does the man think about Paul?A. He is not hungry.B. He wants something to eat.C. He is angry.第二节(共15小题；每小题1.5分，满分22.5分)听下面5段对话。

每段对话后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听每段对话前，将给出每题5秒钟时间阅读各个小题；听完后，各小题将给出5秒钟的作答时间。

每段对话读两遍。

听第6段材料，回答第6至7题。

6. What is the main reason why Nancy enjoys her new job?A. She can bathe in the sun.B. She needn’t pay for the trip.C. She can practice her Spanish.7. What is the most probable relationship between the two speakers?A. Strangers.B. Workmates.C. Classmates.听第7段材料，回答第8至10题。

吉林省实验中学模拟考试英语试题本试卷分为第一卷(选择题)和第二卷(非选择题)两部分。

满分150分。

考试时间120钟。

第一卷第一部分：听力（共两节，满分30分）做题时，先将答案标在试卷上。

录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。

第一节（共5小题；每小题1.5分，满分7.5分）听下面5段对话。

每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。

听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1．When do the speakers plan to have a picnic ?A．In the early morning．B．In the mid-morning. C．In the afternoon.2．Where does this conversation most probably take place ?A．At a clothing store．B．At a tailor’s shop．C．At a sports center.3．What do we know about the woman and David ?A．She has met him before．B．She gets along well with him.C．She knows something about him.4．What time will the woman meet the man ?A．At 10:00．B．At 10:20．C．At 10:40.5．What is the man going to do this morning?A．Do his work．B．Go out with Linda．C．Enjoy the sunshine in the open.第二节（共15小题；每小题1.5 满分22.5分）听下面5段对话或独白。

课堂教学设计 年级： 八年级 单位：八十六团第一中学 授课教师：白枚青 设计要素设计内容教学内容分析1、’d like to join the school volunteer project. I love playing soccer.过程与方法According to designing some tasks to train students’ reading skill and train students’ speaking skill with target language.情感态度价值观If there is a student volunteer project in your school, try to join it; if not, try to set up one; being a volunteer is great!学情分析 教学分析教学重点1.Guide students to read the article in Activity 3a. 2.Help students to use the target language to express what kinds of volunteer work they could do and what they like to do. 教学 难点 难点1.Read the article for comprehension. e the target language to express what kinds of volunteer work they could do and what they like to do. 解决办法 教学资源A tape recorder , CAI 板书设计Unit 8 I’ll help clean up the city parks. . The Second Period Major, commitment, elementary, coach I’d like to join the school volunteer project. I love playing soccer.教学过程设计（第 课时）教学环节教师活动学生活动教学媒体 预期效果Step Ⅰ Revision Ⅰ.Revise the target language they learned last class. Ask several pairs to talk about the ways they could help people, using the conversation in activity la as a sample. Step 2 Presentation. Ⅰ. 3a 1.Ask the students to look at the picture of the three children. Ask them who they think thechildren are. 2.Ask the students pay attention to the title of the article and ask the children to read it out. Ask them the question again：who they think the children are. 3.This is an article about volunteers. You have two tasks to do: first underline the kinds of work the volunteers do; second circle the reasons why they like their work. There are three questions on the blackboard to help the students to get the answers . Questions 1. What does Li Huiping do to help people as a volunteer? 2. What does Lan Pei do to help people as a volunteer? 3. What does Zhu Ming do to help people as a volunteer? 4.Check the answers by asking three students to answer the questions. 5.Read the article to the class and do some explanation on any new words. Tell the students to raise their hands when I come to any word or sentence they don’t understand. Pause and do some explanation. Ⅱ.3b 1.Read the instructions to the students. And tell them Hui loves playing football. What could Hui do if he wants to join the school volunteer project? Help the students answer. He could coach a football team for little kids. Tell them coach means teach or train. Then ask the students to look at the table in Activity 3b. We can see three columns in this form. There are four names in the first column. And we can know what each of them loves doing from the second column, the column of loves. Now ourtask is to fill in the blanks in the third column, the column of Could. Get the students to discuss in pairs and fill the results of their discussions in the blanks. 2.Ask several pairs to report their answers to the class. Answers will vary but should show a sense of volunteering. Ⅲ.3c 1.Ask a pair of the students to model the sample conversation first. 2.Then let the whole class practice in pairs. Remind them to use the sample conversation, but replace the words loves and skills. 3.Ask two or three pairs to share their conversations to the class. Ⅳ. Part 4 1.At first, Ask the students to write down three things they like to do on the lines in the column of things they like to do. They can write in either complete sentences or phrases. For example, they can fill in the blank with : I love drawing pictures, or Drawing pictures. 2.Then ask the students to work in pairs and give each other suggestions about what volunteer work they could do with those interests. Ask a pair to model the sample conversation before they begin to practice and fill in the blanks. Step3:Summary Talk about the ways the students could help people. Look at the picture of the three children and answer some questions. Read the article about volunteers . Underline the kinds of work the volunteers do . Circle the reasons why they like their work. discuss in pairs and fill the results of their discussions in the blanks. Role play . Take turns being one of the people in 3b.Ask for and give advice. Write down three things they like to do. Ask their partner for advice about the kinds of volunteer work they could do. 复习上节课所学知识，温故而知新。

吉林省实验中学 2012届高三第六次模拟考试数学（理科）试题一、选择题：（本大题共12小题，每小题5分，共60分，在每小题给出的四个选项中，只有一项符合题目要求） 1． 已知集合(){}x y x A -==1lg |，集合{}2|xy y B ==，则=B A（ ）A ．[)10，B ．[]10，C ．()1，∞-D ．(]1，∞-2． 复数213⎪⎭⎫ ⎝⎛+-i i （其中，i 为虚数单位）的虚部为（ ）A ．i 4-B ． 4-C ．i 3-D ．3-3． 若54cos -=α，且α为第三象限角，则=⎪⎭⎫ ⎝⎛+4sin πα（ ）A ．102B ．102-C ．1027 D ．1027-4． 已知在等比数列{}n a 中，11=a ，=5a 9，则=3a（ ）A ．5±B ．5C ．3±D ．35． 若5.02=a ，3log π=b ，52sinlog 2π=c ，则（ ） A ．c a b >> B ．a b c >> C ．b a c >> D ．b c a >>6． 一个四棱锥的底面为正方形，其三视图如图所示， 则这个四棱锥的体积是（ ） A ．1 B ．2 C ．3 D ．47． 设非零向量a ，b ，c ，满足|a |=|b|=|c |，a+b=c ，则a 与b 的夹角为（ ） A ．︒150 B ．︒120 C ．︒90 D ．︒60正(主)视图侧(左)视图俯视图8． 将标号为1，2，3，4，5，6的6个小球放入3个不同的盒子中．若每个盒子放2个，其中标号为1， 2的 小球放入同一盒子中，则不同的方法共有（ ） A ．12种 B ．16种 C ．18种 D ．36种9． 已知正四棱锥S ABCD -中，SA =，那么当该棱锥的体积最大时，它的高为（ ）A ．1BC ．2D ．310．如图所示，F 1和F 2分别是双曲线()0012222>>=-b a by a x ，的两个焦点，A 和B 是以O 为圆心，|OF 1|为半径的圆与该双曲线左支的两个交点，且△F 2AB 是等边三角形，则离心率为（ ）A ．15-B ．213+ C ．13+D ．215+ 10．设O 为坐标原点，点M 坐标为()23，，若点N ()y x ，满足不等式组⎪⎪⎩⎪⎪⎨⎧≤+≤+≥≥4200y x s y x y x ，当31≤≤s 时，则ON OM ⋅的最大值的变化范围是（ ）A ．[]83，B ．[]73，C ．[]74，D ． []84，11．已知()x f 是定义在R 上的函数，对任意R x ∈都有()()()224f x f x f +=+，若()1-=x f y 的图象关于直线1=x 对称，且()21=f ，则()=2011f （ ）A ．5B ．4C ．3D ．2二、填空题：（本大题共4小题，每小题5分，共20分） 12． 执行右边的程序框图，若8.0=p ，则输出的=n ．13．设函数)0()(2≠+=a c ax x f ，若⎰=)()(01x f dx x f ，0≤0x ≤1，则0x 的值为 ．14．已知函数()142++=x ax x f 在区间()1，∞-有零点，则实数a的取值范围为 ． 15．已知定义在[)∞+，1上的函数348||,122()1(),2,22x x f x x f x ⎧--≤≤⎪⎪=⎨⎪>⎪⎩．给出下列结论： ①函数)(x f 的值域为]4,0[；②关于x 的方程*)()21()(N n x f n∈=有42+n 个不相等的实数根；③当*)](2,2[1N n x n n ∈∈-时，函数)(x f 的图象与x 轴围成的图形面积为S ，则2=S ；④存在]8,1[0∈x ，使得不等式6)(00>x f x 成立，其中你认为正确的所有结论的序号为______________________． 三、解答题：（解答应写出文字说明，证明过程或演算过程） 16． （本小题满分12分）在△ABC 中，角A ，B ，C 所对边分别为a ，b ，c ，且tan 21tan A cB b+=． （Ⅰ）求角A ；（Ⅱ）若m (0,1)=-，n ()2cos ,2cos 2C B =，试求|m +n |的最小值．17． （本小题满分12分）某高校在2012年的自主招生考试成绩中随机抽取100名学生的笔试成绩，按成绩分组：第1组[75，80），第2组[80，85），第3组[85，90），第4组[90，95），第5组[95，100]得到的频率分布直方图如图所示． （Ⅰ）分别求第3，4，5组的频率；（Ⅱ）若该校决定在笔试成绩高的第3，4，5组中用分层抽样抽取6名学生进入第二轮面试．（1）已知学生甲和学生乙的成绩均在第三组，求学生甲和学生乙同时进入第二轮面试的概率； （2）学校决定在这6名学生中随机抽取2名学生接受考官D 的面试，第4组中有ξ名学生被考官D 面试，求ξ的分布列和数学期望．18． （本小题满分12分）如图，在四棱锥P ABCD -中，PA ⊥底面ABCD ，AD AB ⊥， CD AC ⊥ ，︒=∠60ABC BC AB PA == ，E 是PC 的中点． （Ⅰ）证明：CD AE ⊥；（Ⅱ）证明：PD ⊥平面ABE ；（Ⅲ）求二面角A PD C --的正切值．19． （本小题满分12分）如图所示，在DEM ∆中，⊥，()80-=，OD ，N 在y 轴上，且()DM DE DN +=21，点E 在x 轴上移动． （Ⅰ）求点M 的轨迹方程；（Ⅱ）过点()10，F 作互相垂直的两条直线21l l 、，1l 与点M 的轨迹交于点A 、B ，2l 与点M 的轨迹交于点C 、D ，求⋅的最小值．ACD P E20．（本小题满分12分）已知函数2()ln 2f x x x x =-++． （Ⅰ）求函数()f x 的单调区间；（Ⅱ）若0a >，求()f x 在区间(0,]a 上的最大值；（III ）设函数()g x 32(12e)(1)2x x m x =-++++，（m R ∈），试讨论函数()f x 与()g x 图象交点的个数．请考生在第22、23、24三题中任选一题做答，如果多做，则按所做的第一题记分． 21． （本小题满分10分）选修4—1：几何证明选讲 如图，设C 为线段AB 的中点，BCDE 是以BC 为一边的正方形，以B 为圆心，BD 为半径的圆与AB 及其延长线相交于点H 及K ． （Ⅰ）求证：HC ·CK ＝BC 2；（Ⅱ）若圆的半径等于2，求AH ·AK 的值．22． （本小题满分10分）选修4—4：坐标系与参数方程以直角坐标系的原点为极点，x 轴的正半轴为极轴，建立极坐标系，并在两种坐标系中取相同的单位长度。

考点25 常见气体的制取、净化、收集 反应条件是加热 常温 简单方便快捷 可以随时加酸 可以控制反应速率 可以随时控制反应的发生和停止 浓硫酸 饱和碳酸氢钠溶液、浓硫酸 拓展讲解：多用途瓶的使用 1、收集气体：（1）收集密度比空气大的气体：气体由 管进；（填“a”或“b”,下同） （2）收集密度比空气小的气体：气体由 管进； （3）先在瓶内装满水，收集难溶于水的气体，气体由 管进。

注意思考：若瓶倒放，气体又应该从哪个管口进？ 2、用于除杂、干燥气体（气体均由 管进）。

（1）除杂：①除去CO中的CO2，瓶内盛放溶液； ②除去混在CO2中的HCl气体，瓶内盛放 溶液； （2）干燥气体：干燥CO、H2、O2、CO2等中性或酸性气体，瓶内盛放 溶液。

氢氧化钠 b a a 饱和碳酸氢钠 b 浓硫酸 试管长颈漏斗 可控制液体加入量 ADEF 酒精灯 b 通入气体会把洗气液体压出滴壶 饱和的碳酸氢钠溶液 节约药品或设备简单，方便操作。

其他合理答案均可） C C D C O2 b 水槽 高锰酸钾粉末进入导管，堵塞导管 B、C 二氧化碳的密度比空气的密度大 锥形瓶 长颈漏斗 ②⑤ 能控制反应速率 AC A 酒精灯 A C（或E） 将氢气充入气球中，扎紧口后丢到空中，气球往上飘 C 双氧水或过氧化氢溶液 稀盐酸 二氧化锰 d A 大理石或石灰石 ★中考导航★ ⊙考纲要求⊙ 1．的实验室制法(包括反应原理、发生装置、收)。

2．常见气体 3．常见气体的干燥和净化。

⊙命题趋势⊙ 2011～2013年广东省中考题型及分值统计 年份试题类型知识点分值2011实验氧气和二氧化碳、氢气的制取、收集、装置的对比102012实验氧气的制取、氢气的收集112013选择、实验常见气体的检验与除杂方法、实验室制取氧气的反应原理；氢气的制取和检验12 氧气、氢气和二氧化碳三种气体的实验室制法是气体(探究)题。

考查的方式通常有以下几种： 常规基础题：考查有关三大气体制取的基础知识。

20XX年中学测试中学试题试卷科目：年级：考点：监考老师：日期：20XX届吉林省实验中学高三第六次模拟考试英语试卷第一部分：英语知识运用（共三节，满分50分）第一节：单词辨音（共5题，满分5分）从下列各题的四个选项中，找出与所给单词划线部分读音完全相同的选项。

1．headacheA．courage B．operate C．package D．orange 2．washedA．filled B．recognized C．whispered D．promised 3．situationA．television B．expression C．suggestion D．conclusion 4．almostA．salt B．chalk C．half D．calm 5．heightA．weigh B．neighbor C．satellite D．pleasant第二节：单项填空（共15小题，满分15分）6．apple fell from the tree and hit him onhead.A．An; his B．An; the C．The; his D．The; the 7．—Must I turn off the gas after cooking?—Of course! You can never becareful with that.A．enough B．too C．so D．very8．It is what you do rather than what you say really matters.A．that B．what C．which D．this 9．Much he has a good taste, he can’t avoid being influenced by advertisements.A．that he claims B．does he claimC．as he claims D．is it that he claims10．It’s already 10’clock. I wonder how it that she was two hours late on such a short trip.A．came over B．came out C．came about D．came up11．Let’s keep to the point or we any decision.A．will never reach B．have never reachedC．never reach D．never reached12．As we have much time left, let’s discuss the matter tea and cake.A．by B．at C．with D．over13．Ten minutes earlier we could have avoided the accident.A．or B．but C．and D．so14．Animals suffered at the hands of man they were destroyed by people to make way for agricultural land to provide food for more people.A．in which B．for which C．so that D．in that15．—Can those at the back of the classroom hear me?—No problem.A．seat B．sit C．seated D．seating 16．—Mike, what did our monitor say just now?—Every boy and every girl as well as teachers who to visit the museum asked to be at the school gate before 6:30 in the morning.A．is; is B．are ; is C．is; are D．are; are 17．—Who did you spend last weekend with?—.A．Palmer’s B．The Palmers’C．The Plamers D．The Plamer’s18．I have no ideais better, so I took of them.A．what; both B．what; none C．which; both D．which; none 19．—The last one pays the meal.—Agreed!A．to arrive B．arrives C．arrived D．arriving 20．—Would you like to join us in the game?—, for I have something important to attend to.A．I will B．I’d love to C．I won’t D．I’m afraid not第三节完形填空（共20小题，30分）As China faced up to a battle against bird flu, the government announced a range of controlmeasures it believed would bring the disease under control.This bird flu 21 more than 16 people across Asia and was made certain in China in late January, 2021 No 22 cases had been found in the mainland but at least 13 of the country’s 31 provinces, autonomous regions（自治区）and municipalities had 23 the disease in poultry（家禽）.“It24a difficult task for China to prevent and control the disease, 25 the government is confident in the fight,” said a Vice-Minister of Agriculture. He gave details of a range of measures designed to 26 the disease spreading. Poultry within 3km of infected farms was to be killed and those within 5km vaccinated（接种疫苗）. 27 , there would be constant monitoring（监控）and daily 28 on the disease across the country, and 29 production of bird flu vaccines.Among the 11 Asian countries and regions 30 by bird flu in animals, only Vietnam and Thailand had reported human cases. The people infected were reported to have 31 the disease from poultry.While the World Health Organization said there was 32 proof of human transmission（传播）of bird flu, it admitted that two sisters who died of bird flu in Vietnam 33 have caught it from their brother.The big 34 was that the disease could combine with a human flu virus（病毒）to create a deadly 35 disease that would kill millions of people across the 36 . Many Asian farmers live close with their animals and sell 37 chickens on the market. This greatly increases the 38 of human being infected with bird flu.An official from WHO said Asian countries affected by bird flu should introduce a more 39 way of raising and selling chickens. They have to completely 40 their lifestyle and attitude towards animals.21．A．hurt B．hit C．struck D．killed 22．A．animal B．bird C．human D．poultry 23．A．shown B．reported C．struck D．said24．A．remains B．leaves C．stays D．continues 25．A．but B．and C．while D．so26．A．fight B．control C．keep D．stop 27．A．However B．Meanwhile C．Therefore D．Instead28．A．controls B．treatments C．reports D．vaccines 29．A．started B．improved C．increased D．attempted 30．A．affected B．destroyed C．connected D．introduced 31．A．held B．covered C．carried D．caught 32．A．some B．much C．no D．more 33．A．should B．might C．must D．need 34．A．accident B．problem C．task D．flu35．A．new B．strange C．serious D．bad 36．A．country B．area C．mainland D．globe 37．A．killed B．many C．dead D．live 38．A．speed B．possibility C．introduction D．experience 39．A．healthy B．useful C．simple D．gentle 40．A．stop B．change C．form D．keep第二部分：阅读理解（共25题，第一节每小题2分，第二节每小题1分，满分45分）第一节：阅读下面短文，掌握其大意，然后从41—60各题所给的四个选项（A、B、C 和D）中，选出最佳选项。

一、学习目标 1、能说出流体的概念及流体压强与流速的关系。

2、培养学生的观察能力和推理能力，综合运用知识解决问题的能力。

3、能说出升力产生的原因，激发对物理的好奇心，求知欲和探索的愿望。

二、重点难点 能说出升力产生的原因。

三、学法指导 在用流体压强与流速的关系解释日常生活中的现象时，关键是要确定哪里的流体流速快，哪里的流体流速慢。

四、课前检测 说出液体压强大小的计算公式，由此公式可知液体压强大小与什么有关？ 五、自主学习 1．学习新知 知识探究点一: 流体的压强与流速的关系 自己动手做过硬币“跳高”的比赛。

思考硬币跳高的原因。

。

打开水龙头，使自来水流过如图14.4-1所示图示装置，可以看到玻璃管中的情况，请你对本实验分析 A、B、C三处哪处压强最小？其物理依据是什么？ A、B、C三处哪处水的流速最大？其依据是什么？ 由以上实验可知，流动液体压强大小的规律是什么？ 如图14.4-2所示,如图所示，某同学在探究流速大小对流体压强的影响时，在倒置的漏斗里放一个乒乓球，用手指托住乒乓球，然后从漏斗口向下用力吹气，当他将手指移开时，乒乓球没有下落。

该现象可说明乒乓球上方气体流速 ，压强 。

(选填“变大”、“变小”或“不变”) 如图14.4-3所示,小明把一纸条靠近嘴边，在纸条的上方沿水平方向吹气时，纸条会向 (选填“上”或“下”)偏移，这个现象说明，气体流动时，流速 的地方压强小。

如图14.4-4所示,据你得到的规律解释现象：两艘近距离并排的船在同向航行时，常常会不由自主的碰在一起，这是为什么? 知识探究点二: 飞机的升力 如图14.4-5所示,是机翼的模型，当飞 机飞行时，迎G面吹来的风被机翼分成两部分， 在相同时间内，机翼上方气流通过的路程 ， 因因而速度 ，它对机翼的压强 ； 下方气流通过的路程 ，因而速度 ， 它对机翼的压强 。

2．我的疑问 六、归纳总结（自己总结本节课学到的知识） 七、巩固提升 1．基础知识 1、在火车站和地铁站台上，都画有一条安全线，当火车快速开过时，人越过这条线就会有危险。

吉林省吉林市2012届高三第二次模拟考试（英语）（2012吉林二模）本试卷分第一卷（选择题）和第二卷（非选择题）两部分。

第一卷1至9页，第二卷9至10页。

共120分。

考试时间100分钟。

注意事项：请按照题号顺序在答题纸上各题目的答题区域内作答，超出答题区域书写的答案无效；在草稿纸、试题卷上答题无效。

第一卷(共两部分，85分)第一部分：英语知识运用（共两节，满分45分）第一节：单项填空（共15小题；每小题1分，满分15分）从A、B、C、D 四个选项中，选出可以填入空白处的最佳选项。

21. —Since you can’t find a better job, why don’t you stick to the present one?— Well, ________.A. I believe notB. I might as wellC. I don’t careD. never mind22. _______strong earthquake struck _______ eastern coast of central Japan on March ll, 2011．A. A; aB. The; theC. The; aD. A; the23. — _______ made Daisy wild with joy?— Her success in the A-level exam this year.A. How was it thatB. When was it thatC. Why was it thatD. What was it that24. I can think of many cases ________the media have a strong effect on young men.A. whyB. whereC. asD. which25．I’ll take seriously ___________ advice you put forward.A. whateverB. howeverC. whicheverD. whenever26．It is clear that in modern society high _______ and demands are placed on students.A. motivationsB. expectationsC. standardsD. opportunities 27．—That’s the third time he’s won the award in this field.— Yes. He ________ his maximum potential in the past decade.A. exploredB. is exploringC. has been exploringD. has explored28. We must read not only between the lines, but sometimes ________ the lines so that we canfully understand the writer.A. withinB. amongC. besidesD. beyond29. Students ________ remain in their seats until all the papers have been collected.A. mayB. shallC. needD. can30. We _________ the work on time without your help.A. hadn’t had finishedB. didn’t ha ve finishedC. couldn’t have finishedD. can’t have finished31. I think it a great honor _________ to visit your country.A. to inviteB. invitingC. having invitedD. to be invited32. Mr. Zhang gave the textbooks to all the pupils except ________who had already had them.A. onesB. the onesC. someD. the others33. A cell phone could ___________the energy which could activate your brain.A. give awayB. give offC. give backD. give up34. Mary had to go to a meeting，so she left her children _________ at home.A. playingB. playedC. to playD. having played35. The government has taken some measures to solve the shortage of electricity, but it may besome time _________ the situation improves.A. sinceB. whenC. unlessD. before第二节：完形填空（共20小题；每小题1.5分，满分30分）阅读下面短文，从短文后各题所给的四个选项（A,B,C,D）中，选出可以填入空白处的最佳选项。