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1、課時(shí)作業(yè)(十四)　[模塊5　Unit 2 The environment] (限時(shí)：30分鐘) 　　　　　　　　　　　　　　　　　　　 Ⅰ.單項(xiàng)填空 1．Although the robot appeared smart, Jack still held doubt ________ it could help doctors operate on the diseased part of the patient with expected accuracy. A．whether B．a(chǎn)s C．that D．which 2．________ the rig

2、ht decisions ________ the future, we need to get as much information about the sales and marketing as we can. A．Making; concerned B．Make; concerning C．To make; concerning D．To make; concerned 3．If we don't sell more goods，we'll have to cut back ________ production ________10% next year. A．upo

3、n; to 　B．on; by C．of; by D．for; to 4．While building a tunnel through the mountain, ________. A．a(chǎn)n underground lake was discovered B．there was an underground lake discovered C．a(chǎn) lake was discovered underground D．the workers discovered an underground lake 5．The campus shooting spread through

4、out the county，________to great concern about students' safety at school. A．having led B．led C．leading D．to lead 6．________ from the space, the earth, with water ________ seventy percent of its surface, looks like a blue ball. A．Seen; covered B．Seen; covering C．Seeing; covering D．Seeing; co

5、vered 7．The student ________ in the games on the MP4 during class didn't notice his teacher behind him. A．a(chǎn)bsorbed B．was absorbed C．to absorb D．a(chǎn)bsorbing 8．The number of traffic accidents caused by drinking is ________ as the number of those caused by non-drinking driving. A．twice as many B．

6、many as twice C．a(chǎn)s twice large D．twice as large 9．________ several times, the young scientist still kept on making his experiments. A．Having been failed B．Having failed C．Though failed D．Because of failed 10．As these new products are not selling well，the members of the board have decided to

7、 ________ production. A．cut down B．cut down to C．cut down on D．cut off 11．The workers are all going out to make the output ________ three times what it was five years ago. A．grow to B．grow up C．grow by D．grow into 12．Since no one else has volunteered, Sheila will be ________ food for the t

8、rip. A．responsible to supply B．responsible for supplying C．take responsibilities to supply D．responsible to supplying 13．The boy was having an operation on the stomach，tears ________ down his cheeks quietly. A．flew B．flowing C．flown D．to flow 14．I would appreciate ________， to be frank,

9、if the goods could be delivered as soon as possible. A．you B．this C．it D．myself 15．Lily's mobile phone was left in a taxi accidentally，never ________again. A．to find B．to be found C．finding D．being found Ⅱ.閱讀理解 The total area covered by rainforests was once found to be 14% of the Earth

10、's land surface. However, more than 50% of the original rainforest area is destroyed. At present, rainforests cover only 6% of the land area. Natural and human threats are responsible for this loss of rainforests. Some of the natural threats to rainforests are below: One of the most destructive en

11、vironmental threats to the rainforest is wildfire. Small fires destroy the ground covers and small plants. In the United States alone, rapidly spreading wildfire burns down more than 1 million acres of forest every year. The rainforest vegetation requires water and other plant growth factors for th

12、eir survival. Long dry often weakens the plants, making them susceptible_to diseases, pest and fire breakouts. Also typhoons and storms result in damage to the rainforest, which are beyond recovery. Threats to the rainforest caused by human activities differ from natural threats. They cause complet

13、e damage to woodlands, in which case recovery is nearly impossible. In case of natural events, some parts of the forest ecosystem continue to work, which leads to slow recovery of lost habitats. Listed below are some human threats to the rainforest: Every minute, thousands of forest trees are cut

14、down for use in building houses and furniture. So a large number of ancient forests in the world have been destroyed. Also the rise in population is linked with increased need for foods, which in turn, is related to deforestation for agricultural practices. Air pollution and water pollution are

15、 causing damage to every habitat, including the rainforest. You might have heard of acid rain, which when falls on leaves and plant parts, causes burning signs. The need for bamboos and trees in paper industry is another threat to the rainforest. Millions of plants are cut down to produce paper, s

16、o as to meet the growing demands of the public. No doubt, some of the reasons for reducing rainforests cannot be avoided. But, there are many things every individual can do to help protect the rainforests, such as planting trees and reducing exploitation of forests. Introducing public awareness pr

17、ograms to educate people about the importance of this natural resource will surely help in conserving rainforests. 16．In Paragraph 1, the writer uses the decreasing percentage of rainforest cover to ________． A．prove the environmental problem is more serious B．show more rainforests are in danger

18、across the earth C．lead in the topic of threats to rainforests D．remind readers of the importance of conserving rainforests 17．The underlined part “susceptible_to” in Paragraph 3 can be replaced by ________． A．less important to B．far away from C．resistant to D．easily affected by 18．How many

19、natural threats to rainforests are mentioned in the passage? A．Two. B．Three. C．Four. D．Five. 19．Which of the following correctly describes the difference between natural and human threats? A．The damage caused by human activities to woodlands is unlikely to recover. B．The damage caused by natu

20、ral events to rainforests can recover completely. C．Habitats of forests damaged by natural events can recover slowly. D．Human activities cause fewer threats to rainforests than natural events. 20．According to the passage, humans cause threats to rainforests by many means except by ________． A．cu

21、tting down forest trees B．polluting the environment C．creating man-made acid rain D．developing agricultural production Ⅲ.任務(wù)型閱讀 請(qǐng)認(rèn)真閱讀下列短文，并根據(jù)所讀內(nèi)容在文章后表格中的空格里填入一個(gè)最恰當(dāng)?shù)膯卧~。注意：每個(gè)空格只填1個(gè)單詞。 In the past, American families tended to be quite large. It is common that parents raise five or more children. O

22、ver the years, the size of the family has decreased. One reason for this is an increase in the cost of living. On average, children attend schools for more years than they used to, making them financially dependent on their families longer. Moreover, children nowadays are better dressed and hav

23、e more money to spend on entertainment. The parents usually take the responsibility for all the expenses. Meanwhile, families are less close than they used to be. More and more American mothers work away from home. The break-up of the family occurs when the parents divorce. A lot of children in

24、the U. S. live part of their young lives with only one parent. Broken families usually result in problems for children and parents alike. Children blame themselves when their parents separate. They grow up feeling unsettled as they are moved back and forth between parents. Usually one parent is resp

25、onsible for raising the children. These single parents must care for the children's emotional and psychological needs while also supporting them financially. This is very demanding and leaves very little time for the parent's own personal interests. Single parents often marry other single parents. I

26、n this type of family, unrelated children are forced to develop brother or sister relationship. The situations of many American families today are not good. However, recent signs indicate that things are getting better. The divorce rate is declining. The rate of childbirth is rising. Perhaps Ame

27、ricans have learned how important families are. Title The 21.________ of the structure of American families Introduction Nowadays the size of the family has become 22.________ than in the past. 23.________ for the situation ◆The cost of living increases because ☆the staying of the childr

28、en at school is 24.________. ☆children like to wear better clothes. ☆children pay more money for 25.________. ◆More mothers go out for jobs because they are also 26.________ for all the family's expenses. ◆The single-parent family increases because of parents' 27.________， which leads to many pr

29、oblems. ☆Children don't feel 28.________ when they are brought up in broken families. ☆The parent has little time for his/her own interests because one parent is too 29.________ taking care of children. Conclusion The situations of American families in the future may get better because American

30、s have learned the 30.________ of families. 課時(shí)作業(yè)(十四) Ⅰ.1.A　考查名詞性從句。doubt表示不確定的含義，后面的同位語從句由表示疑問或不確定的連詞連接。故選A。句意：盡管那臺(tái)機(jī)器人看起來很聰明，但杰克疑惑不定，他不知道機(jī)器人是否能高精度地幫助醫(yī)生在病患部位實(shí)施手術(shù)。 2．C　考查非謂語動(dòng)詞。根據(jù)語境可判斷首空為非謂語動(dòng)詞形式作目的狀語，故用不定式短語，由此排除A、B兩項(xiàng)；第二空用concerning，意為“關(guān)于”，可理解為介詞。句意：為了做出關(guān)于將來的正確決定，我們需要盡可能多的銷售和市場(chǎng)信息。 3．B　題意：我們?nèi)舨荒茉黾迂浳锏?/p>

31、銷售量，明年就必須降低百分之十的產(chǎn)量。 cut back on“削減，縮減”，是固定短語。by常用來表示程度和范圍增減的幅度，符合題意。to表示減少或增加到。 4．D　 根據(jù)分詞狀語的邏輯主語是句子主語可判斷選D。 5．C　考查非謂語動(dòng)詞。句意：校園槍殺事件傳遍了整個(gè)縣，也引起了人們對(duì)學(xué)生在校安全的關(guān)注。The campus shooting和lead之間是主謂關(guān)系，并作spread的伴隨狀語，所以用leading。 6．B　 邏輯主語the earth和第一空的非謂語動(dòng)詞為被動(dòng)關(guān)系，排除C、D兩項(xiàng)。water與第二空非謂語動(dòng)詞為主動(dòng)關(guān)系，排除A。 7．A　 根據(jù)短語“be absor

32、bed in”可判斷選A，此處為過去分詞短語作后置定語。 8．D　考查倍數(shù)表達(dá)。the number of…作主語時(shí)，其表語要用large，不能用many；倍數(shù)詞應(yīng)放在同級(jí)比較句型中第一個(gè)as之前，綜上所述本題應(yīng)選D。 9．B　 邏輯主語the young scientist和該空非謂語動(dòng)詞為主動(dòng)關(guān)系，其動(dòng)作發(fā)生在主句謂語動(dòng)詞之前，故用現(xiàn)在分詞的完成式。 10．C　cut down 砍倒/減縮(費(fèi)用); cut off 切掉，割。根據(jù)題意“在產(chǎn)品方面縮減”，應(yīng)選C。 11．A　grow to 增加到(同become)；grow up 長大；grow into 變成。根據(jù)題意應(yīng)選A。

33、 12．B　 be responsible for doing sth.＝take responsibility to do sth. 負(fù)責(zé)做某事。 13．B　考查非謂語動(dòng)詞。根據(jù)句子結(jié)構(gòu)可知，主句的主語是The boy，而tears則是flow的邏輯主語。在英語中兩個(gè)句子主語不一致時(shí)，需要用獨(dú)立結(jié)構(gòu)來表達(dá)，即tears flowing down his cheeks quietly。原句為：The boy was having an operation on the stomach and tears were flowing down his cheeks quietly. 14．C　

34、考查句型“appreciate it＋if從句”，其中it作形式賓語。 15．B　考查非謂語動(dòng)詞。句意：莉莉的手機(jī)忘在出租車?yán)锪?，再也沒有找到。手機(jī)是再也沒有被找到，故用被動(dòng)語態(tài)，所以用never to be found作結(jié)果狀語。 Ⅱ.本文主要介紹雨林覆蓋率正在嚴(yán)重下降的原因。 16．C　推理判斷題。第一段陳述雨林覆蓋率正在嚴(yán)重下降之后，立即引入“Natural and human threats are responsible for this loss of rainforests.”，由此可判斷選C。 17．D　詞義猜測(cè)題。根據(jù)“Long dry often weakens t

35、he plants”可知，久旱能弱化植物，自然植物就易受疾病、害蟲及火災(zāi)的影響了，故選D。 18．B　細(xì)節(jié)理解題。由第二、三段可知，文章提到的natural threats有：wildfire，long dry和typhoons and storms，故選B。 19．C　細(xì)節(jié)理解題。根據(jù)第四段“In case of natural events, some parts of the forest ecosystem continue to work, which leads to slow recovery of lost habitats.”可判斷選C。 20．C　細(xì)節(jié)理解題。根據(jù)第六

36、段“Air pollution and water pollution are causing damage to every habitat, including the rainforest. You might have heard of acid rain, which when falls on leaves and plant parts, causes burning signs.”可知，有害植物的acid rain不是人類有意制造的，而是人類污染環(huán)境的間接結(jié)果，由此判斷選C。 Ⅲ.21. development/change　提煉概括題?？v觀全文，主要討論美國家庭結(jié)構(gòu)的變化，

37、故此得出答案。 22. smaller　提煉概括題。通過對(duì)第一段的理解，美國家庭過去與現(xiàn)在發(fā)生很大變化，因此與In the past, American families tended to be quite large相對(duì)應(yīng)的就是現(xiàn)在美國家庭小了很多。 23. Reasons　詞形轉(zhuǎn)換題。根據(jù)第二段中One reason for this is an increase in the cost of living.及其后面內(nèi)容的敘述，可以得出答案。 24. longer　 25. entertainment　 26. responsible　詞性轉(zhuǎn)換題。根據(jù)第二段中The parents usually take the responsibility for all the expenses.一句可以得出答案。 27. divorce/separation　 28. settled/safe　 29. busy　 30. importance/value