1、课时作业(十一)Unit 4Global warmingSection Learning about Language & Using Language.单句语法填空1There were _(disagree) among doctors about the best way to treat the disease.答案：disagreements2Plant _(grow) is most noticeable in spring and early summer.答案：growth3The chemicals have been considered as a source of_(p
2、ollute)答案：pollution4This invention made a major_(contribute) to road safety.答案：contribution5As we all know，Tao Xingzhi is a great_(educate) in China.答案：educator6The organization has been in_(exist)for 25 years.答案：existence7In his absence，I would like to thank all those who are concerned about him_ m
3、y brothers behalf.答案：on8Having lived in Paris for 35 years，he experienced many social and cultural_(phenomenon) of France.答案：phenomena9There is a growing_(tend) for people to work at home instead of in the office.答案：tendency10In_(consequent) of your bad work I am forced to dismiss you.答案：consequence
4、.单词拼写1He gave us a(n)_ (随便的) glance as he walked by，but didnt stop.答案：casual2Our company has a(n)_(承诺) to quality and customer service.答案：commitment3Due to_(情况) beyond our control，the lecture was put off.答案：circumstances4They _(提倡) state control of all public services.答案：advocate(d)5There is a fault
5、 in the_(电的) system.Youd better have it repaired soon.答案：electrical6The plan received_(普遍的) support throughout the country.答案：widespread.完成句子1Id like to thank you_.我愿代表我全家向您表示感谢。答案：on behalf of my family2I dont know how you_their endless quarrels.我不知道你是怎样忍受他们没完没了的争吵的。答案：put up with3I am not frighten
6、ed _you are here.只要你在这儿，我就不害怕了。答案：so long as4We have discussed everythingwhen to go，what to see_.我们都商量过了什么时候走，看什么等等。答案：and so on5. Time after time she was warned_.Its no use crying now.有人一次又一次地警告过她这样做的后果。现在哭也没用。答案：of the consequence of her actions6.This restaurant has become popular _that suit all t
7、astes and pockets.这家餐馆出名是由于它的各种各样的食物适应各种口味和消费类型的人群。答案：for its wide range of foods7Last year the number of students who graduated with a driving licence reached 200,000，_.去年毕业时已获得驾照的学生达到了20万人，平均每年4万人。答案：a(n) average of 40,000 per year8_？We have to teach her to care for others.为什么我们要忍受苏珊的自私行为？我们得教她关心别
8、人。答案：Why do we have to put up with Susans selfish behavior.阅读理解Nearly half the people on the earth do not have safe water to drink.Friendly Water for the World is an organization，founded by Quakers，whose duty is to offer the opportunity of making use of lowcost clean water technologies and the infor
9、mation about health to more people in need.They teach communities how to construct simple biosand water filters (过滤器)，which remove nearly 99% of those things that may cause a disease.Friendly Water for the World also supports the setup of independently owned cooperatives (合作社)，which are able to loca
10、lly construct more biosand systems for their villages.Many of these new small businesses and cooperatives are also run by women.After picking up the skills needed to build a water filter，communities can then help train their neighbors how to construct these biosand systems.This group has a strong co
11、mmitment to world peace，and suggests that people produce the things that they need independently；they are now working on projects in Kenya，Burundi，India，Ethiopia，Afghanistan，Uganda，South Sudan，Zimbabwe and Honduras.The simple water filter was developed over twenty years ago in Canada，by Dr.David Man
12、z，who patented (获得专利权) his lifesaving invention and made it available to the world.A biosand water filter just costs around $50，and will last a family for many years.Earlier this month I met with one of the founders of Friendly Water for the World，David Albert.He explained how the organization came
13、into being and shared some amazing personal stories about their work.He told me about a group of housewives who were now working together to bring clean water to their village，and many other amazing clean water successes from around the world.He says that it actually brings him great joy to collect
14、money for these important projects，and that he loves helping to direct human energy into such lifesaving activities.语篇解读本文是记叙文。文章主要介绍了Friendly Water for the World这个组织的一些情况。1According to the text，Friendly Water for the World_.Ashows people how to make use of water wiselyBteaches people how to get saf
15、e drinking waterCprovides free clean water for poor peopleDaims at helping poor people become rich解析：推理判断题。由第一段中的最后一句They teach communities how to construct simple biosand water filters，which remove nearly 99% of those things that may cause a disease可以推知，Friendly Water for the World这个组织教给人们如何取得安全的饮用
16、水。答案：B2The water filter mentioned in the text_.Ais too expensive for an ordinary familyBwas invented by Quakers in CanadaChas a history of more than 20 yearsDcan be used as long as 50 years解析：细节理解题。由第四段中的The simple water filter was developed over twenty years ago可知C项说法正确。答案：C3What do we know about D
17、avid Albert?AHe loves collecting money for poor people.BIt brings him great joy to get to know people.CHe knows Friendly Water for the World well.DHell join Friendly Water for the World soon.解析：推理判断题。由最后一段中的one of the founders of Friendly Water for the World.some amazing personal stories about their
18、 work等信息可知，David Albert对Friendly Water for the World这个组织非常熟悉。答案：C4For what purpose is the text written?ATo show different ways of saving water.BTo show the importance of cooperatives.CTo introduce Friendly Water for the World.DTo discuss water pollution around the world.解析：写作目的题。本文主要介绍了Friendly Wate
19、r for the World这个组织的一些情况，故C项正确。答案：CPictures of polar bears struggling to stay on the ice are often used by groups that want to protect these lovely animals and their natural habitats.However，part of the solution lies with the polar bears themselves.Polar bears are highly specialized.This means that
20、they have got used to living in a specific area and eating specific food.Polar bears live above the Arctic Circle (北极圈) and eat fish and arctic mammals such as seals.Their bodies are different from those of other types of bears.Polar bears have webbed (有蹼的) feet for swimming，thicker fur and more bod
21、y fat for living and swimming in cold conditions，and lightcolored fur to help them mix with the environment.As a result，polar bears do not do well when they are in a nonarctic area.They cannot run as fast as other bears，they can become hot and tired easily，and they have a hard time hunting animals t
22、hat are not in the snow.Unfortunately for polar bears，climate change is reducing the size of the areas where they can live.This means that they will eventually have to leave the Arctic and travel farther south.However，as they are so specialized，it is unlikely that polar bears will be able to live as
23、 they once did.Other creatures，such as crocodiles or cockroaches，are not nearly as specialized.They live on almost every continent and in a wide variety of climates.In fact，crocodiles are one of the most adaptable (适应性强的) animals on the earth and have survived for millions of years.When animals spec
24、ialize，they often do better than less specialized species in the same place，but if the climate or other conditions change，the specialized animals are usually the first to die off.If polar bears are going to survive the next 100 years，they will have to adapt.Most scientists believe that polar bears m
25、ay eventually cross paths with brown bears and black bears.Whether these animals fight it out or fall in love to create new generations of hybrid bears remains to be seen.No matter how it happens，they believe that polar bears will live far into the future.语篇解读 本文是说明文。文章主要谈论了北极熊对特定环境的过度依赖给其带来的危害。5The
26、 text mainly talks about how_.Ahumans protect polar bearsBpolar bears hunt in the ArcticCspecialization hurts polar bearsDanimals adapt to climate change解析：主旨大意题。总览全文可知，北极熊对北极这一环境已经相当依赖，正因为此，它们无法很快适应环境的变化而对自身产生了危害，故C项正确。答案：C6Compared with other types of bears，polar bears_.Aswim faster but run slower
27、Bare better at hunting animalsCeat less but are much heavierDhave bigger ears and thicker fur解析：细节理解题。由第二段中的Polar bears have webbed feet for swimming和They cannot run as fast as other bears可知，A项说法正确。答案：A7According to Paragraph 4，crocodiles_.Aare highly specialized animalsBare the most adaptable speci
28、esCwill soon be the first to die offDcan be found almost everywhere解析：推理判断题。由第四段中的Other creatures，such as crocodiles or cockroaches，are not nearly as specialized.They live on almost every continent and in a wide variety of climates.可以推知，在哪儿几乎都可以看到鳄鱼。答案：D8What is most scientists attitude toward the f
29、uture of polar bears?AWorried. BOptimistic.CShocked. DPuzzled.解析：推理判断题。由最后一段中的No matter how it happens，they believe that polar bears will live far into the future可以推知，科学家们对北极熊的未来是持乐观态度的。答案：B.短文改错My father and I stayed at the South Lake Hotel for a week when we visit Beijing last month.It is in the d
30、owntown area，but it is easy to go to anywhere from the hotel by public transport.We lived in a comfortably doubleroom with a big bath.What I liked best were the free highspeed Internet connection in the room.I checked my email messages every day.I also shared for my friends many photos taking in Bei
31、jing.The food was wonderful with reasonable prices，and we enjoyed several local dish.It is such great hotel that I will recommend it to any friend of me who is going to Beijing.参考答案My father and I stayed at the South Lake Hotel for a week when we Beijing last month.It is in the downtown area， it is
32、easy to go to anywhere from the hotel by public transport.We lived in a doubleroom with a big bath.What I liked best the free highspeed Internet connection in the room.I checked my email messages every day.I also shared my friends many photos in Beijing.The food was wonderful with reasonable prices，and we enjoyed several local .It is such great hotel that I will recommend it to any friend of who is going to Beijing.