1、UNIT 2WILDLIFE PROTECTIONSectionListeningandSpeaking课后训练提升一、单词拼写1.I sounded the (警报器) as soon as I saw the smoke.答案alarm2.The birth (比率) is beginning to increase.答案rate3.As we all know,smoking (危及) our health.答案endangers4.My uncles illness (让担忧) us greatly.答案concerns5.Many languages including Chines
2、e are all (在用的) languages.答案living6.Lets (测量) how tall the tree is.答案measure7.Too much (压力) is harmful to children.答案pressure8.Sadly,many animals are in danger of (灭绝).答案extinction二、完成句子1.你到底为什么需要一部新手机?Why do you need a new cell phone?答案on earth2.那种古老的语言已经消亡。That old language .答案has died out3.他们意识到保
3、护文化遗产的重要性。They the importance of preserving cultural heritage.答案are aware of4.过了好久他们才适应新环境。It took them a long time the new surroundings.答案to adapt to5.这条裙子是按照她的尺寸做的。The skirt .答案was made to her measure6.对我而言,这所学校应鼓励学生多读经典书籍。,the school should encourage the students to read classic books.答案As far as
4、 Im concerned三、单句改错1.It is illegally to enter others houses without permission.答案illegallyillegal2.The progress the boy has made are rapaid.答案areis3.The bridge was measured 1,000 metres at the beginning.答案去掉was4.The book the senior high student wrote has been adapted from a film.答案fromfor5.The endan
5、ger wildlife caused a concern among the public.答案endangerendangered四、阅读理解When the natural climate changes due to global warming,it can surely affect seals.The majority of them live in the Antarctic region,so as the ice is melting,their natural habitat can be seriously affected.These changes dont tak
6、e place overnight.They can be the result of many years of additional temperatures in the area.The seals then have to find ways to adapt.Seals depend on the cool air currents to bring plenty of food for them.When the temperatures get higher,there is less and less food and the seal population starts t
7、o shrink.Mothers arent healthy enough to feed their babies.Many of them end up abandoned as the mothers have to leave to find their own source of food.The fact that their desire to produce young can be changed by the warmer temperatures is frightening too.It is also believed that the warmer temperat
8、ures can allow different diseases and viruses to attack the seals.This is a huge concern as they can rapidly wipe out huge numbers of seals out there.However,these changes in climate and temperature arent all bad for other species of seals.Scientists have found that those living in warmer climates a
9、re producing more young due to the changes.Research also shows that the females are moving further to find food and water.When they are out of the reach of the governing males,they are more willing to accept the moves of other males in the group.This is good news too because it means that there will
10、 be more selection in the gene pool(基因库) for future generations.It can help the seals as a species adapt to change in their natural environment more easily.The climate change problem for seals is directly linked to humans.When we take action to change what we let out into the environment,we will mak
11、e positive changes for the seals.However,it is going to take a very long time to reverse(彻底改变) the effects of what has already been done.1.What does the author regard climate changes for seals as?A.A double-edged sword.B.An unavoidable disaster for existence.C.A mirror of evolution.D.A requirement f
12、or more choices in the gene pool.答案A解析推理判断题。文章第一至三段介绍了气候变暖对南极地区海豹的负面影响,第四、五段介绍了气候变暖对其他种类海豹的正面影响,由此推知,在作者看来,对海豹来说,气候变暖既有利又有弊,是把双刃剑。故选A项。2.What will happen to the seals in warmer climates?A.Their number will be on the increase.B.The female seals will be in the lead.C.Their genes will change a great de
13、al.D.The females will keep away from the males.答案A解析细节理解题。根据第四段中的“.thoselivinginwarmerclimatesareproducingmoreyoungduetothechanges.”可知,那些生活在较暖和地区的海豹会因为气候变暖而繁殖更多的幼崽。由此可知,它们的数量会增加。3.Which of the following can be the best title for the text?A.The Importance of Protecting SealsB.Seals Adaptation to Clim
14、ate ChangeC.How Climate Change Affects SealsD.Why Are Seals Becoming Less and Less答案C解析标题归纳题。根据全文内容可知,本文主要讲述了全球气候变暖给海豹带来的负面影响和正面影响,因此C项“气候变化如何影响海豹”最适合作为本文标题。五、七选五阅读理解Dogs are usually considered as old peoples best friend.That common opinion may contain some truth,but dogs are not the only animal fri
15、ends the elderly like.1Old people enjoy the friendship with cats.2 They love to run after balls or play with anything hanging from a string.They especially enjoy playing when their owners are playing the game with them.Just like a dog,a cat can be trained to avoid unwanted behaviour or perform trick
16、s.Cats will even fetch things!Cats are polite members of a family.3 They generally walk quietly.Cats also dont often have “accidents”.Mother cats train their babies to use the litter box,and most cats will use it,from that moment on.Cats do not have to be walked.They can be left home alone for a few
17、 hours without fear.Besides,they usually clean themselves.4 Generally,most cats will not destroy the furniture when left alone.They are pleased to go about their usual activities until their owners return.5 However,many old people who have plenty of space and time still choose to have a cat because
18、they love the cat personality.In many ways,cats are the perfect house pets.A.Cats are generally quite playful.B.Its a good hobby to keep a pet at home.C.So bathing a cat is almost never necessary.D.Unlike dogs,cats do not make much loud noise.E.For many aged people,cats are their best companions.F.P
19、eople with small living space or less time love to raise cats.G.However,sometimes cats may spread some diseases to the owners.答案15 EADCF六、短文改错Yesterday my classmate and I went to Nanjiao Park.We got to there at 8:00 a.m.There were such many tall green trees as well colourful flowers that we enjoyed
20、ourselves very much.However,a lot of rubbish,such as the skins of fruit,plastic bottles and bags,were on the ground.One of my classmates suggested us do something for a park.So we picked up all the pieces of waste one in one.Finally the park becomes clean again.I think it was a tired but meaningful day.答案Yesterday my
