课时作业(十五) [必修模块5 Unit 3 Science and nature]
[限时：30分钟]
Ⅰ.单项填空
1．What ________ if the earth were to stop turning?
A．will happen
B．happens
C．happened
D．would happen
2．Computers are very popular now，but years ago no one could have imagined the role in the society that they ________.
A．were playing
B．were to play
C．had played
D．played
3．Changes made to the construction laws in Sichuan have strengthened the province’s buildings and highways，________ them more resistant ________ quakes.
A．making；for
B．to make；for
C．made；against
D．making；to
4．I don’t want to buy the dictionary，________， it is too expensive；________ I don’t have enough money with me at present.
A．Because；and
B．At first；then
C．On one hand；on the other hand
D．On the hand；on other hand
5．________ passengers survived in the traffic accident except a woman and two children.
A．The most
B．Majority of the
C．Most of
D．The majority of the
6．My English teacher is really very kind.I’ll never forget the ________ he has done me.
A．favor
B．deed
C．help
D．value
6．On the ground ________，filled with money inside.
A．a red wallet lay
B．lay a red wallet
C．did a red wallet lie
D．did lie a red wallet
7．If you let challenges and difficulties benefit ________ depress you，much more can be accomplished than you thought possible.
A．more than
B．rather than
C．less than
D．other than
8．________ I admit that all these problems are difficult，I don’t agree that they cannot be solved.
A．Unless
B．While
C．Until
D．Since
9．He can never think of the great trouble he had ________ the robbery.
A．to find out
B．finding out
C．found out
D．find out
10．She hurried to her office by taxi，only ________ that the key had been left at home.
A．finding
B．found
C．to find
D．find
11．________ made many contestants angry is ________ was called the fair play turned out to be unfair at all.
A．What；that what
B．What；what
C．It；that
D．It；what that
12．________ we decided to spend the night at the foot of the mountain.
A．With the moon appeared
B．The moon appeared
C．The moon being appeared
D．As the moon appeared
13．________ for the fact that she got hit by a car and broke her leg on her way to school，she might have passed the exam.
A．Hadn’t it been
B．Had it not been
C．Was it not
D．Were it not
14．— The railway station，please.I have to be there in ten minutes.
—________，but I’ll do my best.
A．No problem
B．OK
C．I can’t promise
D．I can’t do that
15．Train services are usually________and run regularly every day.
A．reliable
B．reasonable
C．flexible
D．comfortable
Ⅱ.[2011·福建卷]完形填空
Diana Velez does everything with maximum effort—and at maximum speed.That __16__ learning a new language，completing two certificates and opening a store.
When arriving in Canada in 2008，she had one __17__ to have what she had back home in Colombia.“I didn’t want to __18__ what I do，like so many who come to a new country，” she said.“I __19__ to open a store here in Canada but knew I had to __20__ myself properly.”
Diana quickly realized that making her dream of shop ownership in Canada a __21__ meant going to school to get the __22__ education and certification.“My experience of owning a shop and working as a designer in Colombia gave me __23__ in my abilities，but I couldn’t speak the language and I had to __24__ how to do things in Canada.It was like having to __25__ all over again，” said Diana.
__26__，she found just the help she needed for her relaunch (重新开张) __27__ continuing education at George Brown College.She began taking __28__ for both the Essential Skills in Fashion Certificate and the Image Consulting Certificate in May 2009.__29__ Diana met with the language barrier，she was always going __30__ while at college.
By the end of October 2009，she had completed all certificate requirements.Within two years after her __31__ in Canada，Diana at last achieved her __32__ goal when her new store opened its doors in Toronto’s Sheppard Centre.She was on the fast track to __33__.
Looking back，Diana，a fashion designer，__34__her achievements to the goal she set，the education she received from the college，and __35__，the efforts she made.Now Diana is very happy doing what she is doing.
16．A.requires
B．encourages
C．includes
D．advises
17．A.goal
B．memory
C．choice
D．problem
18．A.continue
B．choose
C．change
D．lose
19．A.demanded
B．decided
C．agreed
D．hesitated
20．A.teach
B．prepare
C．enjoy
D．persuade
21．A.reality
B．fact
C．challenge
D．wonder
22．A.physical
B．private
C．primary
D．necessary
23．A.pressure
B．judgement
C．influence
D．confidence
24．A.put away
B．depend on
C．learn about
D．look into
25．A.advance
B．start
C．suffer
D．work
26．A.Naturally
B．Gradually
C．Luckily
D．Clearly
27．A.through
B．for
C．before
D．with
28．A.notes
B．responsibilities
C．chances
D．courses
29．A.Though
B．As
C．Since
D．Once
30．A.around
B．back
C．ahead
D．out
31．A.adventure
B．arrival
C．performance
D．journey
32．A.original
B．common
C．another
D．distant
33．A.success
B．wealth
C．glory
D．happiness
34．A.adds
B．connects
C．devotes
D．owes
35．A.after all
B．above all
C．at least
D．at first
Ⅲ.阅读理解
Since the gene，called DAF 16 in worms，was found in many animals and in humans，the finding could open up new ways to affect aging，immunity(免疫)and resistance in humans，the scientists said.
“We wanted to find out how normal aging is being governed by genes and what effect these genes have on other traits，such as immunity，” said Robin May of the University of Birmingham，who led the study.
Populations across the world are aging at a surprising pace，bringing potentially big challenges for health and social care systems.A study by Danish scientists last year found that half of babies born in the rich world today will live to celebrate their 100th birthdays.Scientists are eager to find out how people age to try to develop drugs to help them stay healthier as their lives extend.
“What we have found is that things like resistance and aging tend to go hand in hand，” May said in an interview.
May’s team compared longevity，stress resistance and immunity in four related species of worm.They also looked for differences in the activity of DAF 16 in each of the four species，and found that they were all quite distinct.
May said DAF 16 was active in most cells in the body and was very similar to a group of human genes called FOXO genes，which scientists believe play a role in the aging process.
“The fact that subtle (微妙的) differences in DAF 16 between species seem to have such an impact on aging and health is very interesting and may explain how differences in lifespan and related traits have arisen during evolution，” May said.
36．In which section may the text appear in a newspaper?
A．Education. B．Science.
C．Entertainment.
D．Culture.
37．According to May，________.
A．resistance has a lot to do with aging
B．FOXO genes can be found in worms
C．genes play the same role in different species
D．new drugs will change the genes in older people
38．What can we know from the third paragraph?
A．New ways have been found to affect aging.
B．Babies in the rich world will all live longer.
C．Present social care systems are poorly managed.
D．Aging populations are causing more challenges.
39．From the text we know that DAF 16________.
A．is a gene that is only found in worms
B．can make people live longer
C．has an effect on aging and immunity
D．has been quite familiar to scientists
40．What can be the best title of the passage?
A．Scientists Find Gene Linked to Aging
B．Population Aging Faster than Expected
C．How to Make People Live Longer
D．Gene Determines How Long We Live
课时作业(十五)
Ⅰ.1.D 考查虚拟语气。句意为：如果地球停止了转动将会发生什么？从句是与现在事实相反的假设，故主句应用would happen。
2．B 句意为：电脑现在已非常流行，但几年前没有人能想象到它们在社会上会起这么大的作用。根据句意，该空用过去将来时。
3．D 第一空为分词短语作状语，与主语是主动关系，故用making；根据搭配“resistant to sth.”，判断选D。
4．C 句意为：我不想买这本词典。第一，它价格太贵；第二，我现在没有那么多钱。on(the) one hand…on the other hand…“一方面……另一方面……”，用来列举事项说明理由。
5．D 要表示“……的大多数”，经常用the majority of the…或the majority of…；用most来表示“大部分”，大多数要用most of the…形式。
6．B 考查倒装句式。当表示地点的介词短语置于句首时，且主语是名词时，句子常用全部倒装。原句为：A red wallet lay on the ground，filled with money inside.
7．B 考查词语意义。句意：如果你使挑战和困难有益于你而不是使你失望，更多的可能是完成你原以为可能的事。more than“多于，不仅仅”；rather than“而不是”；less than“少于”；other than“除了”。根据句意可知B正确。
8．B 考查连词用法。句意：虽然我承认所有这些问题很难，但是我不认为它们无法解决。此处while表示“虽然，尽管”，用来引导让步状语从句。
9．B 考查非谓语动词。句意：他永远也不会想到他在查明抢劫案方面有很大的麻烦。have the trouble (in) doing sth. “做某事有麻烦”。
10．C 考查非谓语动词。only to do sth.“表示出乎意料地”，only doing sth.表示“意料之中地”。根据句意“她乘出租车匆忙赶到办公室，结果发现钥匙忘在家里了。”可知选C项。
11．A 考查名词性从句。根据句子结构可知is前面是主句，主句中缺少主语，所以第一空填what。第二空谓语动词is后，是表语从句，通常由that引导，一般不省略。而且表语从句中的主句是_______ was called the fair play，又缺少主语，因此was called的主语是what。所以选择A项合适。
12．D 考查复合句。根据句意“有月亮出现时，我们决定在山脚下呆一夜。”可知，选D项。A、B项把appeared改成appearing，C项错误，appear是不及物动词没有被动式。所以本题只能选D，as引导伴随状语。
13．B 考查虚拟语气的省略句式。当由if引导的虚拟语气的谓语部分为had，should或were时，可以用省略倒装句式。本句根据后句的谓语部分might have passed可知，是对过去事情的假设，所以从句应该用过去完成式，即If it had not been for the fact...，缩略形式就是Had it not been。
14．C 考查情景对话。句意：“请到火车站。我必须10分钟到那里”。“我不能保证，但我尽力”。
15．A 考查形容词词义辨析。reliable可靠的，可信赖的；reasonable合理的；flexible灵活的；comfortable舒适的。根据句意“火车服务通常是可信赖的，而且每天运作正常。”可知选A项。
.16.C 戴安娜以最高的效率和最快的速度完成每件事，这些事包括……
17．A 戴安娜有一个目标，就是拥有她在哥伦比亚所拥有的事业。
18．C 句意：我不想改变我所做的。change 改变；continue 继续；choose 选择；lose 遗失，错过。根据第二段第一句和第三段第二句可知，戴安娜曾经在哥伦比亚开一家商店，而且是一位设计师，她在加拿大不想改变她在家时所从事的一切。所以正确答案为C项。
19．B 她决定在加拿大开一个商店。
20．B 在加拿大开商店需要做好准备。prepare oneself properly意为“使自己为……做好准备”。
21．A 戴安娜意识到使梦想变为现实就意味着要获得必要的教育和证书。reality“现实”与 dream“梦想”对应，本题要避免误选fact“事实”。
22. D 根据上下文，此处应填“必要的”。
23．D 在哥伦比亚拥有一家商店和从事设计的经历使戴安娜对自己的能力充满信心。
24．C 虽然有经验，但是在加拿大这个陌生的地方戴安娜还得学习如何处理事情。
25．B 从上文可知戴安娜需要学习语言，还要学习如何处理事情，就好像一切都要重新开始。
26．C 根据下文，戴安娜获得重新开张所需的帮助，可知她是幸运的。
27．A 根据下文，戴安娜是在大学继续教育期间得到所需的帮助，因此应选through。
28．D 戴安娜在2009年5月开始学习有关的课程。take courses 学习课程。
29．A 虽然戴安娜遇到语言障碍，但是在大学学习时她总是勇往直前，从不后退。
30. C go ahead 前进。
31. B 在她到加拿大两年之后，戴安娜实现了她最初的目标。
32. A original 原来的；common 常见的；distant
远的。
33．A 综前所述，戴安娜尽最大的努力和用最快的速度实现自己的梦想，所以她处在成功的快车道。
34．D 回想往事，戴安娜把自己的成功归功于自己所设的目标。owe...to “归功于”。
35．B 戴安娜认为努力是最重要的。above all “最重要的是”。
.36.B 考查推理判断题。根据文章第一段科学家们所说的话即可判断本文可能来自于报纸上的科学部分，故选B。
37．A 考查细节理解题。根据第四段What we have found is that things like resistance and aging tend to go hand in hand...可知，抵抗力和老龄化趋向于“手拉手”，也就是说抵抗力与老龄化有关，故选A。
38．D 考查推理判断题。根据Populations across the world are aging at a surprising pace，bringing potentially big challenges for health and social care systems.可知正确答案为D。
39．C 考查推理判断题。根据最后两段．..which scientists believe play a role in the aging process...及．..subtle(微妙的)differences in DAF l6 between species seem to have such an impact on aging and health...可知正确答案为C。
40．A 考查主旨大意题。文章第一段为中心段，其余部分都是围绕这个中心即科学家的这个发现而展开的。