1、Unit2 reading and thinking 课后练Part I 基础部分一、 词汇训练1. _ 适应2. _保留;预订;预留3. _ 生物;动物4. _速度;(比)率 等级;级别5. _美;美人;美好的东西6. _神圣的;受尊敬的7._ 威胁;恐吓8. _存在;生存9. _和谐;融洽10._ 措施;方法 11._ 观察(到);注视;遵守12._ 攻击;抨击13._ 去除;移开;脱去14. _官方;当权;权威15. _利益;利润16._ 使惊恐;使害怕;使担心 17._ 已灭绝的18. _不合法的;非法的19._ 使遭受危险;危害20._ 涉及;让担忧21. _打猎;搜寻;追捕22.
2、_生活环境;栖息地二、 根据要求填写适当的单词1.There _ (存在) a bank across the street.2.His purpose was to make a _ (利益) by improving the companys performance.3.In recent years, the African elephants have been _ (袭击) illegally and their habitats are getting limited.4.Though having lived abroad for years, many Chinese stil
3、l _ (遵循) the traditional customs.5.After many years, this coastal area was finally named a national wildlife _ (保护区) last year.6.Its our dream that we all live in peace and _(和谐）.7.How could anyone find pleasure in hunting and killing this beautiful (生物）？8.The destruction of the rainforest _ (threat
4、en) human life.9._ (observe) carefully if any change occurs when doing experiments in the lab.10.On first seeing the city, most visitors are overpowered by the _ (beautiful) of the noble buildings.11.If you get to the hotel in the afternoon, please dont forget _ (reserve) a room for me.12.As far as
5、Im _ (concern), the best season for me is spring.13.The patient had to have one of his legs _ (remove) because of infection.14.The man was walking in the woods when he _ (attack) by a snake.15.Massive ice sheets in the Arctic are melting at _ (alarm) rates and causing the sea level to rise.16.Human
6、beings should live _ harmony with nature.17.A milu deer _ (shoot)dead just now.18.This poster reminds me _ the importance of studying English.19.Dont you know it is (legal ) to drive through a red light?20.You will (danger) your health if you work so hard every night.21.I got in touch with him (imme
7、diate) after I received the letter.22.The old ( hunt) stopped suddenly when he saw the wolf.Part II 提高部分一、阅读理解What do the following animals have in common? Pandas, rhinoceros, Mexican burrowing snakes, pink pigeons and small tooth sawfish. They are all endangered animals! Animals become endangered f
8、or a variety of reasons. Sadly, humans are behind every one of them! For centuries, humans have hunted elephants for their tusks, and killed tigers for their beautiful fur, caught fish for food. While we still have elephants, tigers, and fish in the wild, we cannot say the same about many others tha
9、t have simply died out! Year 1505 was a dreadful turning point in the natural history of the island of MauritiusEuropean sailors discovered this beautiful island in the Indian Ocean and brought dogs, pigs, monkeys with them. The arrival of humans and those introduced animal species were bad news for
10、 dodo birds. About 50 pounds and flightless, dodo birds did not have any natural enemies until then. They picked fruit fallen from trees and built their nests on the ground. Shortly after humans set foot on Mauritius, however, dodo birds realized that they were in big troublemen killed them for thei
11、r meat, and those introduced animal species destroyed their nests and ate their eggs. The effects of excessive(过度的) hunting and foreign species drove dodo birds to first become much fewer and then die out. The last dodo bird was killed in 1681. Humans and animals have always competed for land and ot
12、her natural resources. We clear an area of a forest for farming. We cut down trees and use wood to build beautiful houses. We build reservoirs(水库) to make sure that we have enough water to use. At the same time that we are trying to make our life comfortable, we destroy the habitats of wild animals.
13、 More than once we have seen on television that rescue workers are trying their best to save seabirds in spilled(泄漏的) oil. More than once we have heard about how emissions of carbon dioxide(二氧化碳的排放) and other gases have raised the earths temperature and caused global warming. Pollution has a serious
14、 and long lasting effect. If we choose to do nothing and continue to pollute our planet Earth, our next generations will have to face an Earth without birds singing and beasts roaring.1. Which of the following are NOT endangered animals?A. Pandas.B. Rhinoceros.C. Pink pigeons.D. Dodo birds.2. What d
15、oes the underlined word dreadful (in Paragraph 4) mean?A. Surprising.B. Exciting.C. Awful.D. Quick.3. Paragraph 5 mainly talks about _.A. how excessive hunting led to endangerment of animalsB. when foreign species entered the island of MauritiusC. the human activities caused the loss of habitats of
16、animalsD. pollution played a main role in the worsening of the environment4. What is the best title for the passage?A. What makes the animals in dangerB. How to save the endangered animalsC. Pollution and animalsD. Dont hunt for animals二、七选五 Wildlife faces threats from habitat destruction, pollution
17、, and other human actions. _1_ Here are some tips on how to protect wildlife through small actions. Create wildlife-friendly areas in your backyard. When trying to make your garden more beautiful, you can choose plants that can provide food and shelter to native wildlife. _2_ Add bird or bat houses
18、to your yard or garden to attract and shelter these species. Avoid harming the natural ecosystem(生态系统) in your area. Some plants from other places can kill or harm native plants that provide food and shelter for wildlife. Have a greener lifestyle. By using less water and fewer fuels, you will be hel
19、ping to protect the wildlife around you. Take buses or the subway when you can. _3_ Take shorter showers, and keep your room temperature at or below 28C during the winter. Buy products that are wildlife-friendly. _4_ Keep in mind that some endangered animals are killed by traps, catches or hunters w
20、ho are after other wildlife within the same habitat. _5_ You can give money to organizations or groups that protect wildlife species in your neighbourhood.A.This will also help cut down on pollution.B.Turn off electric devices when youre not using them.C.It is suggested that we protect wildlife thro
21、ugh actions.D.That is why protecting wildlife is extremely important now.E.Dont buy products that are made from endangered animals.F.Donate money or time to organizations that protect wildlife and their habitats.G.Although protecting wildlife may seem too hard at times, even small actions in your ow
22、n neighbourhood can help protect many different animals.三、完形填空 Some of the greatest problems we face today are concerned with the gradual destruction(破坏) of our environment through overuse of our 1 . So my family do what we can. We take cloth bags to stores instead of using plastic bags. We walk whe
23、re we dont have to 2 . But when Im the only one with a cloth bag in line at the grocery store, I ask myself: Does it do any good? I recently found the answer from flamingos (火烈鸟). These beautiful birds gather in 3 groups of a thousand or more. Every year, when the time comes for migration(迁徙) , a fe
24、w flamingos start the process by 4 from the lake. But 5 of the others seem to notice, so the tiny group returns. However, the next day they 6 again. This time a few more struggle along with them, but the vast majority 7 no attention, so these pioneers come back. The trend continues for several more
25、days. Every time a few more birds join in but, 8 the thousands of others still take no notice, the great migration plan is once again 9 . Then one day, things 10 . The same small group of birds takes wing and a tiny number more join in, just as before. This time their total number is enough to tip t
26、he balance (担转局势).As one, the whole group takes flight and the migration 11 . A few can make a 12 . Its true that all of the great problems of the world have been solved because of the 13 efforts of a few. If you believe in a cause, dont 14 . Others will someday notice and 15 we will solve even our
27、greatest problems.1.A. moneyB. resourcesC. timeD. strength2.A. driveB. runC. cycleD. stand3.A. tinyB. differentC. hugeD. similar4.A. cutting offB. getting upC. carrying outD. taking off5.A. allB. anyC. noneD. most6.A. gatherB. tryC. singD. appear7.A. attractB. requireC. escapeD. pay8.A. sinceB. ifC.
28、 whileD. unless9.A. preparedB. handledC. cancelledD. delayed10.A.approachB. workC. changeD. disappear11.A. continuesB. failsC. finishesD. begins12.A. pointB. decisionC. differenceD. mistake13.A. uselessB. tirelessC. totalD. special14.A. give upB. give awayC. get overD. get off15.A. jointlyB. indepen
29、dentlyC. peacefullyD. wildly At a quiet night in the season of spring or summer, if you happen to be near the fields, you can hear frogs singing _1_(happy) here and there. It seems as if they were performing a field group singing. The frog is a good and useful creature that benefits human beings. Th
30、ey can catch fast-moving _2_(insect). Each frog eats a large number of pests that are harmful to crops. This little creature is regarded _3_the natural enemy of pests”. But now frogs _4_(get) fewer and fewer. This is because they are killed and put _5_the table as a delicious dish by their chief ene
31、my, human beings. It is a shameless and cruel act, isnt it? The cause responsible for the rapid _6_(reduce) of frogs is that farmers use insect killer to kill pests and frogs get killed as a result of drinking poisoned water while _7_(eat) poison-killed insects. Something must be done without delay
32、_8_(save) frogs. If we dont punish those _9_sell and kill frogs to make money, then one day all of us _10_(punish) by nature for failing to keep them.四、书面表达结合课文主题使用本单元词汇与句型，根据提示写篇50词左右的短文1.当今，随着漸危物种(species)被非法猎杀(hunt illegally),以及栖息地(habitat)被破坏，它们正以令人惊讶的速度(alarming rate)灭绝(extinct)。2.人们已逐渐意识到(awar
33、e of)保护它们的重要性。有些志愿者主动夜以继日地保护它们。3.政府已采取有效的措施(measure)来保护(watch over) 它们，比如建立了 一些自然保护区(reserve)。_参考答案Part I一、1. adapt 2. reserve 3. creature 4. rate 5. beauty 6. sacred 7. threat 8. exist 9. harmony 10. measure 11. observe 12. attack 13. remove 14. authority 15. profit 16. alarm 17. extinct 18. illega
34、l 19.endanger 20. concern 21. hunt 22. habitat 二、1. exists 2.profit 3.attacked 4.observe 5.reserve 6.harmony 7.creature 8.threatens 9.Observe 10.beauty 11.to reserve 12.concerned 13.removed14. was attacked 15.alarming 16.in 17.was shot 18.of 19.illegal 20.endanger 21. immediately 22.hunterPart II一、1
35、-4 DCCA二、1-5 GABEF三、1-5.BACDC 6-10.BDADC 11-15.DCBAA四、1.happily 2.insects 3.as 4.are getting 5.on 6.reduction 7.eating 8.to save 9.who 10.will be punished五、答案： Nowadays, because many endangered species are being hunted illegally and their habitats are being destroyed, they are becoming extinct at an alarming rate. People are gradually aware of the importance of protecting them. Some volunteers offer to watch over them day and night. The government has taken effective measures to protect them, for example, setting up some nature reserves.
