学年高中英语 Unit 4 Wildlife protection课时作业 新人教版必修2Word格式文档下载.docx

1、with chemicals and waste，making them unfit for wildlife.These causes of extinction are known as indirect destruction. Animals may also become extinct through direct destruction.This includes the hunting and catching of animals.Man has always hunted and killed wildlife but when early humans lived mor

2、e in harmony with nature，they killed animals for essential food and clothing.When firearms were invented，great destruction of species was possible.Animals have been，and still are，killed for meat，clothing，medicines，feathers，eggsand sometimes just for amusement.Some species are still caught in the wil

3、d for the live pet trade，even though their numbers are decreasing.The extinction of at least 500 species of animals has been caused by man.Today there are about 5，000 endangered animals and at least one species dies out every year.There are probably many more which become extinct without anyone know

4、ing.【词海拾贝】1extinction n灭绝；绝种2steadily adv.平稳地3continuous adj.连续不停的；不间断的 4habitat v栖息地5destruction n破坏【问题思考】阅读短文，判断正（T）误（F）。1Before man arrived on Earth，species were not extinct.（）2Scientists are quite sure why the dinosaurs became extinct.（）3The increase in the human population causes the increase i

5、n the rate of extinction over the same period of time.（）答案：1.F2.F3.T.将单词与其正确释义配对1decrease A鉴赏；感激；意识到2reserve B安全的；可靠的3hunt C雇佣；利用4respond D减少；变小5contain E包含；容纳；容忍6affect F保护区7appreciate G成功；接替；继任8succeed H回答；响应；做出反应9secure I损害；危害10income J收入11employ K打猎；猎取；搜寻12harm L影响；感动；侵袭1.D2.F3.K4.H5.E6.L7.A8.G9

6、B10.J11.C12.I.根据所给汉语提示写出单词1_n仁慈，宽恕；怜悯2_v咬；叮；刺痛3_vt检查；视察4_n事件；事变5_adj凶猛的；猛烈的1.mercy2.bite3.inspect4.incident5.fierce.根据英语释义写出单词1_： far away in space or time2_： feeling of comfort when something worrying has ended or not happened3_： to keep someone or something safe from harm4_： be able to control eve

7、nts5_： be important1.distant2.relief3.protect4.powerful5.importance.选用短语的适当形式完成句子decrease to; in peace; in danger; burst into laughter；pay attention to; do harm to; protect. from; in relief；die out; at the mercy of1Reading in bed for a long time will_your eyes.2Every student should_what your teacher

8、 said in class.3The two countries have been living together _4No one was injured in the accident; we all smiled_5Its high time that we should take measures to protect these old traditions before they_6The poor cat is_the naughty boy.7Hearing the funny story, all of the boys_8Childrens lives are_ever

9、y time they cross the road.9The government is doing the best to _those rare animals_ being hunted.10The number of the rare birds in this area has_about ninety.1.do harm to2.pay attention to3.in peace4in relief5.die out6.at the mercy of7.burst into laughter8.in danger9.protectfrom10.decreased to课文表层理解.判断正（T）误（F）1The antelope in Tibet becomes an endangered species because of its fur being used to make sweaters.（）2The living conditions of the elephants are worse than they were.（）3What the government of Zimbabwe did provide us wit