2020高中英語人教版 必修3教師用書：Unit 4 SectionⅡ Warming UpReading — Language Points Word版含答案

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1、2020學(xué)年人教版英語精品資料 Section_ⅡWarming Up & Reading — Language Points (一)詞義匹配 1．a(chǎn)tmosphere　　A．a(chǎn) group of related parts which work together forming a whole 2．system B．the mixed gases that surrounds the earth 3．fundamental C．for that reason; for this reason 4．theory D．increase, add to the n

2、umber of 5．thus E．very important or necessary 6．multiply F．idea that tries to explain something 答案：1～6　BAEFCD (二)用所給詞的適當(dāng)形式填空 7．A big violent (violence) earthquake occurred last week. 8．Being exposed to the sunlight for a long time will be harmful (harm) to ones skin. 9．Unlike (like) his bro

3、ther, he is talkative (健談的) and has a sense of humour. 10．The puzzling(puzzle) problem made students present puzzled (puzzle)． 1．violent adj.猛烈的；激烈的；強(qiáng)暴的 ★背誦佳句培養(yǎng)語感 (教材原句)The earth became so violent that it was not clear whether the shape would last or not. 地球(開始)變得激烈動(dòng)蕩，不知道這個(gè)固體形狀是否會(huì)繼續(xù)存在下去。 (鮮活

4、例句)A violent storm hit the city last night, which caused a lot of damage. 昨天夜里，暴風(fēng)驟雨襲擊了這座城市，造成了重大損失。 (鮮活例句)The growth of violent crime is a very real problem. 暴力犯罪的增加是個(gè)非?，F(xiàn)實(shí)的問題。 ★歸納拓展全析考點(diǎn) (1)violently adv.　　　 猛烈地；兇狠地 (2)violence n. 暴力；暴行；激情 with violence 猛烈地；強(qiáng)有力地 Youd better not shut the w

5、indow violently/with violence. 你最好不要猛關(guān)窗戶。 [語境串記] Larry was in violent pain.As a result, he behaved violently and treated everything with violence. 拉里處于極度痛苦之中，因此他表現(xiàn)得很粗暴，一切都以暴力對(duì)待。 2．exist vi.存在；生存 ★背誦佳句培養(yǎng)語感 (教材原句)They laid eggs too and existed on the earth for more than 140 million years. 它們也生

6、蛋，在地球上生存了一億四千多萬年。 (鮮活例句)How do we see if there exists a black hole in the space? 我們到底如何看太空中是否存在黑洞呢？ ★歸納拓展全析考點(diǎn) (1)exist in　　　　　　　 存在于 exist on 靠……生存 There exists/existed ... 某地有……；存在…… (2)existence n. 存在；生存 come into existence 開始存在；成立 in existence 現(xiàn)存的；現(xiàn)有的 ①Do you believe in the ex

7、istence of ghosts？Perhaps they only exist in some peoples imagination. 你相信鬼魂的存在嗎？或許他們只存在于一些人的想象里。 ②He finds it hard to exist on the money hes earning. 他發(fā)現(xiàn)靠他掙的那點(diǎn)錢無法維持生活。 ③No one knows when the custom came_into_existence. 沒有人知道這個(gè)風(fēng)俗是何時(shí)開始存在的。 3．unlike prep.不同；不像　adj.不同的；不像的 ★背誦佳句培養(yǎng)語感 (教材原句)Water

8、 had also appeared on other planets like Mars but, unlike the earth, it had disappeared later. 在火星等其他行星上也出現(xiàn)了水，但不像在地球上一樣，這些水后來消失了。 (鮮活例句)They are so unlike that nobody would believe they were sisters. 她們毫無相似之處，誰也不相信她們是姐妹。 ★歸納拓展全析考點(diǎn) (1)Its unlike sb.to do ... 做……不像某人平常的樣子 (2)unlikely adj. 不大可能發(fā)生

9、的；未必會(huì)發(fā)生的 (3)likely adj.　　　　　　 可能的 be likely to do sth. 可能做某事 Its likely that ... 有可能…… ①Its very unlike him to be so late. 遲到這么久可實(shí)在不像他平時(shí)的作風(fēng)。 ②Hes likely to_arrive a bit late. 他可能會(huì)晚到一會(huì)兒。 ③Its_likely_that he will not attend the meeting. 有可能他不參加會(huì)議。 4．harmful adj.有害的 ★背誦佳句培養(yǎng)語感 (教材原句)What

10、 many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. 很多科學(xué)家相信，由于地球上長期有水存在，它使得地球得以把有害氣體和酸性物質(zhì)溶解在海洋里。 (鮮活例句)Its harmful to your eyes to read books in the bus. 在公共汽車上看書對(duì)你的眼睛有害。 (鮮活例句)According to the research,

11、 too much sun is harmful to the skin. 根據(jù)調(diào)查研究，曬太多太陽對(duì)皮膚有害。 ★歸納拓展全析考點(diǎn) (1)be harmful to 　　　　　　　 對(duì)……有害 (2)harm vt.& n. 傷害；損害 do harm to (＝ do ...harm) 對(duì)……有害 There is no harm in doing sth. 做某事沒有害處。 (3)harmless adj. 無害的 ①The medicine is harmful to children but does no harm to adults. 這種藥對(duì)兒童有

12、害，卻對(duì)成年人沒有什么害處。 ②This case will do serious harm to my life. 這起案件將嚴(yán)重?fù)p害我的生活。 5．puzzle n．難題；謎　vt.& vi.(使)迷惑；(使)為難 ★背誦佳句培養(yǎng)語感 (教材原句)How life began on earth is one of the biggest puzzles that scientists found hard to solve. 地球上的生命是如何起源的是科學(xué)家們最難以解答的問題之一。 (鮮活例句)For many years these questions puzzled ge

13、ologists. 多年來這些問題令地質(zhì)學(xué)家迷惑不解。 ★歸納拓展全析考點(diǎn) (1)be in a puzzle　　　 感到困惑；不知如何是好 puzzle about/over 冥思苦想；苦苦思索 (2)puzzling adj. 令人迷惑的 (3)puzzled adj. 感到迷惑的 be puzzled about 對(duì)……迷惑不解 I have been puzzled about this question for weeks. 我對(duì)這個(gè)問題已迷惑不解了好幾個(gè)星期。 [語境串記] The puzzled look on her face sugges

14、ted she was puzzling over the puzzling math problem. 她困惑的表情暗示了她正在思考那個(gè)令人困惑的數(shù)學(xué)問題。 Ⅰ.單句語法填空 1.She listened with a puzzled (puzzle) expression on her face. 2．Playing computer games too much is harmful to the childrens health. 3．In my opinion, prevention (prevent) is more important than treatment

15、. 4．Some programs on the Internet are full of violence (violent) and sex. 5．There existed a close relationship between families and their milkmen. 6．China is a country of freedom of religious (religion) belief. Ⅱ.完成句子 1.過量飲酒對(duì)你的身體有害。 It is_harmful_to/does_harm_to your health to drink too much.

16、 2．包辦婚姻在中國一些地方依然存在。 The custom of arranged marriages still exists_in some parts of China. 3．警察仍正在苦思這起事故是怎么發(fā)生的。 The police are_still_puzzling_about/over how the accident could have happened. 4．她最近的小說和她以前的作品截然不同。 Her latest novel is quite unlike_her_earlier_works. 1．solar system　　　　　 太陽系 2．

17、a widely accepted theory 一個(gè)廣泛接受的學(xué)說 3．in time 及時(shí)；終于 4．cool down 冷卻下來；變涼 5．be fundamental to 對(duì)……(來說)是基本的 6．a(chǎn) chain reaction 連鎖反應(yīng) 7．lay eggs 下蛋 8．give birth to 產(chǎn)生；分娩 9．in ones turn 輪到某人；接著 10．prevent ...from 阻止；制止 1．in time及時(shí)；終于；遲早 ★背誦佳句培養(yǎng)語感 (教材原句)They were in time

18、 to produce carbon, nitrogen, water vapour and other gases, which were to make the earths atmosphere. 它們最終產(chǎn)生了碳、氮?dú)?、水蒸氣和其他氣體，這些后來形成了地球的大氣層。 (鮮活例句)He braked his car just in time only to avoid an accident. 他及時(shí)剎車，避免了一次事故。 (鮮活例句)You will succeed in time as long as you dont give up. 只要不放棄，你總有一天會(huì)成功。 ★

19、歸納拓展全析考點(diǎn) in time for sth.　　　　 趕上某事 in no time 立即；馬上 at one time 曾經(jīng)；一度 at times 有時(shí)；偶爾 from time to time 有時(shí)；偶爾 at no time 從不；決不 at a time 每次；一次 ①Do one thing at a time and do it well. 一次只做一件事情，并且要做好。 ②At no time should_we give in to difficulties. 我們?cè)谌魏螘r(shí)候都不能向困難屈服。 [點(diǎn)津]　at no tim

20、e用在句首時(shí)，句子要部分倒裝。in no time相當(dāng)于at once或immediately，用于句首不倒裝。 2．in ones turn輪到某人；接著 ★背誦佳句培養(yǎng)語感 (教材原句)Thus they have, in their turn, become the most important animals on the planet. 于是，他們接著成為了這個(gè)行星上最重要的動(dòng)物。 (鮮活例句)They, in their turn, made some advice for the plan. 他們接著為這項(xiàng)計(jì)劃提了一些建議。 (鮮活例句)When it is in

21、my turn, I am too excited to speak. 當(dāng)輪到我時(shí)，我激動(dòng)得都說不出話來了。 ★歸納拓展全析考點(diǎn) in turn 依次；輪流；逐個(gè)；相應(yīng)地；轉(zhuǎn)而 by turns　　　　　　　　　　 輪流；依次 take turns doing/to do ... 輪流做…… Its ones turn to do sth. 輪到某人干某事。 ①All theories are from practice and in turn serve practice. 所有的理論都來源于實(shí)踐，并反過來為實(shí)踐服務(wù)。 ②The girls called out t

22、heir names in_turn. 那些女孩兒逐一報(bào)出自己的名字。 ③They took_turns to care about their parents. 他們輪流照顧他們的父母。 ④It is my turn to_clean the classroom this week. 這周輪到我打掃教室了。 3．prevent ...from阻止；制止 ★背誦佳句培養(yǎng)語感 (教材原句)They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping f

23、rom the earth into space. 他們把過多的二氧化碳釋放到大氣層中，這使得地球上的熱量不能釋放到太空中去。 (鮮活例句)All possible means have been tried, but nothing can prevent him (from) dying of lung cancer. 任何可能的方法都嘗試了，但也沒能阻止肺癌奪走他的生命。 (鮮活例句)No one can prevent this plan from being carried out. 誰也不能阻止這個(gè)計(jì)劃的實(shí)施。 ★歸納拓展全析考點(diǎn) 阻止……做 protect ...

24、from (against) ...保護(hù)……不受……侵襲(from后接能帶來傷害或損害之物) ①They were stopped/prevented from entering the burning building. 他們被攔在了燃燒著的大樓外面。 [點(diǎn)津]　表示“阻止……做”的三個(gè)短語用于被動(dòng)語態(tài)中時(shí)，from都不能省略。 ②He put on his sunglasses to_protect his eyes from the strong sunlight. 他戴上太陽鏡保護(hù)眼睛不受強(qiáng)光的傷害。 Ⅰ.單句語法填空 1．The heavy snow prevent

25、ed us from going (go) out for sports. 2．Luckily for him, he was just in time for the bus. 3．He asked each of us in turn to describe how the Internet had affected our lives. 4．Miss Gao gave birth to a fine healthy boy last night. Ⅱ.完成句子 1．If you give up this chance, youll regret it in_time (遲早)．

26、 2．Laying_eggs (下蛋) is the ant queens fulltime job. 3．Their son was_prevented_from_going_to_college (被阻止上大學(xué)) because of their low income. 4．In business, success not only depends_on (依靠) what you say but also how you say it. 5．Then, in_their_turn (輪到他們), they raised a question which caused a heat

27、ed discussion. 1．[句型展示]　What_it_was_to_become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 隨后它會(huì)變成什么沒人能知道，直到45～38億年前，這團(tuán)塵埃才慢慢地形成了一個(gè)固體的球狀物。 [典例背誦] What impresses me most is that he seems a pleasant man. 給我印象最深的是他似乎很和藹可親。 2．[句型展示]　The ear

28、th became_so_ violent that_it was not clear whether the shape would last or not. 地球(開始)變得激烈動(dòng)蕩，不知道這個(gè)固體形狀是否會(huì)繼續(xù)存在下去。 [典例背誦] The play was so interesting that I went to see it several times. 這個(gè)話劇十分有趣，因此我去看過好幾次。 3．[句型展示]　This produced a chain reaction, which made_it_possible for life to_develop. 這就產(chǎn)

29、生了一個(gè)連鎖反應(yīng)，使生命的發(fā)展成為可能。 [典例背誦] He makes it a habit to get up at six every day. 他每天早晨6點(diǎn)起床，這已成為一種習(xí)慣。 4．[句型展示]　So whether life will continue on the earth for millions of years to come will depend on_whether_this_problem_can_be_solved. 所以，在未來的數(shù)百萬年中，生命能否在地球上延續(xù)將取決于這個(gè)問題能否得到解決。 [典例背誦] We are talking abo

30、ut whether we admit students into our club. 我們正在談?wù)撌欠褡寣W(xué)生加入我們的俱樂部。 1．What_it_was_to_become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. 隨后它會(huì)變成什么沒人能知道，直到45～38億年前，這團(tuán)塵埃才慢慢地形成了一個(gè)固體的球狀物。 (1)句子結(jié)構(gòu)分析 ①What surprised everybody was that he didnt co

31、me to the meeting. 使大家驚奇的是他竟沒有參加會(huì)議。 ②What I suggest is that you should apologize to him. 我建議你去向他道歉。 (2)主語從句可用形式主語it代替 ③It is wonderful that all of you have passed the difficult exam. 真是太棒了，你們都通過了那次很難的考試。 ④It doesnt matter whether he will come to attend the meeting or not. 他來不來參加會(huì)議無足輕重。 [點(diǎn)津]

32、　 1)it作形式主語，謂語部分表示建議、要求、命令時(shí)，從句謂語常用“should＋動(dòng)詞原形”，should可省略。 2)what引導(dǎo)主語從句意為“所……的(東西)”，在從句中充當(dāng)句子成分；that引導(dǎo)時(shí)不充當(dāng)句子成分，通常不可省略。 ⑤It is advisable that she (should) take a couple of days to rest. 她休息一兩天是明智的選擇。 ⑥That he will refuse the offer is unlikely. 他不可能拒絕這個(gè)報(bào)價(jià)。 2．So whether life will continue on the

33、earth for millions of years to come will depend on_whether_this_problem_can_be_solved. 所以，在未來的數(shù)百萬年中，生命能否在地球上延續(xù)將取決于這個(gè)問題能否得到解決。 (1)該句是一個(gè)主從復(fù)合句，第一個(gè)whether引導(dǎo)的從句為主語從句；第二個(gè)whether引導(dǎo)的從句作介詞on的賓語。 ①She was uncertain about whether she should accept his offer. 她拿不準(zhǔn)是否應(yīng)該接受他的好意。 ②Everything depends on whether

34、you agree with us. 一切要看你跟我們意見是否一致。 (2)引導(dǎo)名詞性從句時(shí)用whether或if的區(qū)別： whether可以直接和or not連用，if不可以； 引導(dǎo)位于句首的主語從句，用whether不用if； 引導(dǎo)表語從句、同位語從句，用whether不用if； 動(dòng)詞不定式之前用whether不用if； 動(dòng)詞discuss，leave，put及介詞之后的賓語從句，用whether不用if。 ③It is uncertain whether/if hell succeed in passing the driving test (or not)．

35、 他是否能成功地通過駕駛考試還不確定。 ④The question is whether the film is well worth seeing. 問題是電影是否值得看。 Ⅰ.單句語法填空 1．I find it hard to get along with him. 2．We make it a rule to take a walk every morning. 3．The two girls are so alike that strangers find it difficult to tell one from the other. 4．Its not clea

36、r whether they are able to arrive at an agreement through communication or not. Ⅱ.完成句子 1．這是一塊很重的石頭，他挪不動(dòng)。 It was so_heavy_a_stone that he couldnt move it. 2．很明顯他們沒有和平的誠意。 It_was_clear_that they had no desire for peace. 3．我擔(dān)心我是否傷害了她的感情。 I worry about whether_I_have_hurt her feelings. 4．他告訴我們的事

37、很重要。 What_he_has_told_us is of great importance. 5．他的努力工作使他成功成為可能。 His hard work made_it_possible for him to succeed. Ⅰ.單句語法填空 1．More violent (violence) scenes in the film were cut when it was shown on television. 2．It is generally accepted that smoking is harmful (harm) to our health. 3．Ma

38、ry was reading a poem with a puzzled expression on her face.Its deeper meaning remained a puzzle for her.(puzzle) 4．The dog lying on the floor belongs to him.He lied to me yesterday that it had been lost.(lie) 5．Unlike (like) most people in the office who come to work by car, I usually come to w

39、ork by bus. 6．This made it hard to control myself. 7．I cant exist on the money he gave me. 8．Youll succeed in time because you are always working hard. Ⅱ.完成句子 1.有些工廠排放的氣體對(duì)環(huán)境有害。 The gases from some factories are_harmful_to the environment. 2．要不是他們幫忙，我們就不能及時(shí)完成這個(gè)項(xiàng)目。 But for their help, we coul

40、d not have finished the program in_time. 3．大雨使我們不能踢足球了。 The heavy rain prevented/stopped_us (from) playing football. 4．我發(fā)現(xiàn)學(xué)好英語很難。 I find it_very_difficult_to_learn English well. 5．我們得不到的東西似乎比我們已經(jīng)擁有的東西好。 What_we_cant_get seems better than what we already have. Ⅲ.閱讀理解 A Edmund Halley was an E

41、nglish scientist who lived over 200 years ago.He studied the observations of comets (彗星) which other scientists had made.The orbit of one particular comet was a very difficult mathematical problem.He could not figure it out.Neither could other scientists who dealt with such problems. However, Halle

42、y had a friend named Newton, who was a brilliant mathematician.Newton thought he had already worked out that problem, but he could not find the papers on which he had done it.He told Halley that the orbit of a comet had the shape of an ellipse (橢圓)． Now Halley set to work.He figured out (解決；計(jì)算出) th

43、e orbits of some of the comets that had been observed by scientists.He made a surprising discovery.The comets that had appeared in the years 1531, 1607, and 1682 all had the same orbit.Yet their appearances had been 75 to 76 years apart. This seemed very strange to Halley.The different comets follo

44、wed the same orbit.The more Halley thought about it, the more he thought that there had not been three different comets, as people thought.He decided that they had simply seen the same comet three times.The comet had gone away and had come back again. It was an astonishing idea! Halley felt certain

45、 enough to make a prediction (預(yù)言) of what comet would happen in the future.He decided that this comet would appear in the year 1758.There were 53 years to go before Halleys prediction could be tested.In 1758 the comet appeared in the sky.Halley did not see it, for he has died some years before.Ever

46、since then that comet has been called Halleys comet, in his honor. 1．Halley made his discovery ________. A．by doing experiments B．by means of his own careful observation C．by using the work of other scientists D．by chance 解析：選C　細(xì)節(jié)理解題。由文中第三段得知。 2．Halley made a surprising, but correct predict

47、ion in the year ________. A．1704　　　　　　 　B．1705 C．1706 D．1707 解析：選B　計(jì)算題。文中的“He decided that this comet would appear in the year 1758.There were 53 years to go before Halleys prediction could be tested.”這句話告訴我們：他預(yù)言彗星出現(xiàn)的時(shí)間是1758年，而這個(gè)預(yù)言還要經(jīng)過53年才能驗(yàn)證，由此可以推斷出哈雷做出這個(gè)預(yù)言的時(shí)間是1705年。 3．This passage in general

48、 is about ________. A．Halley and other scientists B．the orbit of a comet C．Newton and Halley D．Halley and his discovery 解析：選D　主旨大意題。綜觀全文，不難看出，文章的中心就是哈雷以及他的發(fā)現(xiàn)。 4．Which of the following is TRUE? A．Edmund Halley was an American scientist. B．Halley made his discovery by doing experiments. C．New

49、ton was a famous mathematician. D．The orbit of a comet had the shape of an around. 解析：選C　綜合判斷題。從文章首句可以看出A項(xiàng)錯(cuò)誤；從第二題的分析中可知B項(xiàng)也錯(cuò)誤；牛頓告訴哈雷彗星的軌道是橢圓形的，可排除D。 B Red Dwarf Red Dwarf stars (紅矮星) can range in size from a hundred times smaller than the sun，to only a couple of times smaller.Because of their

50、small size these stars burn their fuel very slowly，which allows them to live a very long time.Some red dwarf stars will live trillions of years before they run out of fuel. Then why are red dwarf stars red？Because red dwarf stars only burn a little bit of fuel at a time，they are not very hot compar

51、ed to other stars.Think of a fire.The coolest part of the fire at the top of the flame glows red，the hotter part in the middle glows yellow，and the hottest part near the fuel glows blue.Stars work the same way.Their temperatures determine what color they will be.Thus we can determine how hot a star

52、is just by looking at its color. ____________ Like the Sun，these mediumsized stars are yellow because they have a medium temperature.Their higher temperature causes them to burn their fuel faster.This means they will not live as long, only about 10 billion years or so.Near the end of their lives，t

53、hese mediumsized stars swell up becoming very large.When this happens to the Sun it will grow to engulf (吞沒) even the Earth.Finally they shrink again，leaving behind most of their gas.This gas forms a beautiful cloud around the star called a Planetary Nebula (行星狀星云)． When will the Sun expand into a

54、giant，and then shrink leaving behind a planetary nebula? Dont worry.The sun is only about 5 billion years old.It still has another 5 billion years before it will expand，and then turn into a planetary nebula. The Sun is so hot that when it dies，it will take a long time to cool off.The sun will die

55、in about 5 billion years，but it will still glow for many billions of years after that.As it cools，it will be what is called a white dwarf star.Finally，after billions maybe even trillions of years，it will stop glowing，at that point it will be what we call a black dwarf star.There are still no black d

56、warf stars in the Universe. 5．Why do the Red Dwarf stars burn their fuel very slowly? A．Because they are small. B．Because they dont move around. C．Because they are cool. D．Because they reflect light like the moon. 解析：選A　細(xì)節(jié)理解題。根據(jù)文章第一段第二句話“Because of their small size these stars burn their fu

57、el very slowly...”可知選A。 6. Which of the following best expresses the main idea of Paragraph 2? A．How red dwarf stars work. B．Why red dwarf stars burn a little fuel. C．Why red dwarf stars are red. D．How temperature determines the color. 解析：選C　主旨大意題。綜合第二段的內(nèi)容可知，本段開頭由一個(gè)問句(為本段的主題句)引出作者要說明的中心：紅矮星為什么

58、是紅色的？然后通過類比來進(jìn)行解釋，因此C項(xiàng)為最佳選項(xiàng)。 7. The title on the underline before Paragraph 3 is probably________. A．The Sun B．Yellow Stars C．Planetary Nebula D．Star Temperature 解析：選B　主旨大意題。綜觀最后四段話可以看出：作者通過讀者所熟悉的、與黃色星相類似的太陽相比較來對(duì)黃色星進(jìn)行說明，最后三段話看似與黃色星無關(guān)，但實(shí)際上是對(duì)黃色星發(fā)展走向的一個(gè)預(yù)測(cè)，故B項(xiàng)最佳。 8. Which of the following websites

59、 may this passage be taken from? A． B． C． D． 解析：選D　推理判斷題。本文主要介紹了紅矮星和黃色星，與天文學(xué)有關(guān)，由此推斷本文是從與天文學(xué)有關(guān)的(D項(xiàng))上摘錄的。 Ⅳ.語法填空 Mark: Peggie, can I borrow your notes for history？I __1__ (return) them tomorrow. Peggie: Sorry, __2__ I usually go to the cafeteria and review them. Why __3__copy them in the libra

60、ry? Mark: OK. Peggie: Here you are. Mark: You are a great help, Peggie. Peggie: I dont quite understand __4__you need my notes, Mark. You havent missed any classes. Mark: __5__(honest) speaking, I work in a supermarket from 7 to 10 oclock every evening. Peggie：I see. So youre pretty __6__ (tir

61、e) when you come to class. Mark：Thats __7__ (exact) why I want to borrow your notes.My notes arent very good. Peggie: So what do you usually do in class? Mark: Im always awake at the beginning, but thirty minutes after the class begins, I feel sleepy, and have trouble __8__ (keep) my eyes open.

62、Peggie：Well, I need someone to study with and you need someone to keep you awake. __9__ we be study partners? Mark: Oh, sure.Thats a good idea. So give me a push __10__ you see me sleep in class. Peggie: OK. Lets start today in the library.We are going there anyway and I dont have to go to the cafeteria. Mark: Sounds great. 答案：1.will return　2.but　3.not　4.why 5．Honestly　6.tired　7.exactly　8.keeping 9．Shall　10.when