2018-2019学年高中英语 Unit 22 Environmental Protection

课时跟踪练(二) Warm-up & Lesson 1 — Language Points

一、全练语言点，基稳才能楼高

Ⅰ.单词拼写

1．They had been trapped (使困住) in the cave for 20 days before rescued. 2．A lot of the plastics that carmakers are using cannot be recycled (回收利用).

3．If there are no natural reserves (保护区), it is likely that more animals will become extinct.

4．She is seeking a substitute(代替者) for the very man whose departure made her cry.

5．The scientist corresponds with colleagues in order to learn about matters relevant (有关的) to her own research.

6．The hijackers threatened (威胁) to kill one passenger every hour if their demands were not met.

7．The murderer was condemned (判处) to death for what he had done. 8．What a coincidence (巧合) that we were in New York at the same time! 9．Some economists strongly advocate (主张) the reform of government ownership of industry.

10．You mustn't sacrifice (牺牲) environmental protection to promote economic growth.

Ⅱ.单句语法填空

1．He spent four years getting a degree, only to_find (find) there were no jobs for graduates.

2．A number of houses were_burnt/burned (burn) down in the fire that broke out last night.

3．The situation is far worse than we had been led to believing (believe)． 4．—Have you reserved a table for us in advance, Mary?

—Oh, I forgot to tell you I have made a reservation for you. You will have a reserved table whenever you get there. (reserve)

5．Our school doesn't advocate students' staying (stay) in the classroom too long. We think they should have time for sports.

6．European football is played in 80 countries，making(make) it the most popular sport in the world.

7．Given (give) the general state of his health, it may take him a while to recover

from the operation.

8．—I'm sorry that I didn't work out this problem. —It's beyond our ability.I didn't work it out, either. Ⅲ.选词填空

a number of， beyond one's control， look ahead， refer to， in turn， lead to， take action， ahead of 1．Thanks to your help, we accomplished the task ahead_of schedule. 2．In order to reach this limit, a_number_of technical problems will have to be solved.

3．After the bell rang, the pupils walked out of the classroom in_turn. 4．I had forgotten the date of the battle so I referred_to a history book. 5．Drive your car slowly or it will be beyond_your_control.

6．I don't look back. I always have plenty of reasons to look_ahead! 7．Too many cars and factories also lead_to global warming.

8．The government has taken_action to preserve these traditional customs. Ⅳ.课文语法填空

Scientists have reached consensus 1.that human beings are causing global warming. They claim that it 2.is_seen (see) as a danger and is relevant 3.to our lives. Global warming refers to an average increase in the Earth's temperature that, in turn, 4.leads (lead) to climate change. Over the last 100 years, plenty of carbon dioxide goes 5.into the atmosphere every year and the temperature 6.has_increased (increase) by 1°F. And this will cause 7.terrible (terribly) climate changes. Governments all over the world have a 8.responsibility_ (responsible) to take action to prevent this 9.from going on. And a lot of things can be recycled 10. to_save (save) natural resources.

Ⅴ.串点成篇微表达

从前一位母亲和她的儿子迷了路困在了(be trapped in)大山中。更糟糕的是，这时一只狼出现在他们面前，他们一下子不知如何是好。狼离他们越来越近。突然，这位母亲抓住了一根木棍勇敢地站在儿子的前面(ahead of)。她用木棍威胁(threaten)狼，狼只得离开。我们从这个故事可知，母亲在危险面前敢于献出生命来救她的儿子(sacrifice ... to ...)。可是现在许多人(a number of)只注重金钱，不尊重他们的母亲甚至谴责(condemn)他们自己的母亲。我认为政府应当采取措施(take action)提倡(advocate)为我们的母亲做些事情。

Once_upon_a_time,_a_mother_and_her_son_lost_their_way,_who_were_trapped_in_a_big_mountain._What_was_worse,_a_wolf_turned_up_at_that_time,_and_they_didn't_

know_what_to_do_at_a_loss._The_wolf_came_to_them_nearer_and_nearer._Suddenly_the_mother_seized_a_stick_and_stood_ahead_of_her_son_bravely._She_threatened_the_wolf_with_the_stick,_so_the_wolf_had_to_go_away._From_the_story,_we_learn_that_a_mother_can_sacrifice_her_life_to_save_her_son_in_face_of_danger._However,_a_number_of_persons_concentrate_on_money,_not_showing_respect_for_their_mothers_and_even_condemn_their_own_mothers.I_think_the_government_should_take_action_and_advocate_doing_something_for_our_mothers.

二、勤练高考题型，多练自能生巧

Ⅰ.完形填空

In the past, man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be __1__.

Today things are __2__： the world has become too __3__. We are using up our natural resources too quickly, and at the same time we are __4__ our environment with dangerous chemicals. If we continue to do this, humans on the earth will not __5__.

Everyone __6__ today that if too many fish are taken from the sea, there will soon be none left. However, with modern fishing __7__， more and more fish are caught. We know that if too many trees are cut down, __8__ will disappear. Yet, we __9__ to use bigger and more powerful machines to __10__ more and more trees.

We realize that if rivers are polluted with waste products from factories, we will die. __11__， in most countries wastes are __12__ put into rivers or into the sea, and there are __13__ laws to stop this. We know, too, that if the __14__ of the world continues to rise at the present rate, in a few years there will not be enough food. What can we do to __15__ these problems?

If we eat more vegetables and less __16__， there will be more food available for everyone. Land that is used to grow crops __17__ five times more people than land where animals are kept. Our natural resources will __18__ longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth __19__.

Finally, if we educate people to think about the problems, we shall have a better and cleaner __20__ in the future.

语篇解读：本文是说明文。文章主要讲述在社会取得进步、物质文明高度发达的今天，环境遭到了巨大破坏，因此我们应该采取措施增强环保意识。

1．A.beautiful C．rare

B．unlimited D．valuable

解析：选B 在过去人少的时候，自然资源似乎是无穷尽的(unlimited)。 2．A.common C．changeable

B．same D．different

解析：选D 与上一段形成对比，今天形势发生了变化，与以前不同(different)了。 3．A.crowded C．dirty

B．small D．busy

解析：选A 今天的世界由于人口增长而变得很拥挤。crowded表示人多而“拥挤”与上文中的“few people”形成对比。

4．A.protecting C．polluting

B．saving D．fighting

解析：选C 根据实际情况，以及下文的叙述，人们在急剧消耗自然资源的同时也在污染(polluting)环境。

5．A.breathe C．drink

B．survive D．move

解析：选B 前半句的“this”代替污染环境，如果继续这样下去，生存在地球上的人类将不能存活下去(survive)。

6．A.wonders C．considers

B．realizes D．discovers

解析：选B 根据句意，现在每个人都已经意识到(realizes)这类问题的严重性。 7．A.poles C．methods

B．boats D．ideas

解析：选C 利用现代的捕鱼手段(methods)，越来越多的鱼被捕杀。 8．A.mountains C．trees

B．the sea D．forests

解析：选D 与上句构成并列结构，将太多的树砍伐后，森林(forests)将会消失。 9．A.continue C．keep

B．stop D．remain

解析：选A 根据yet表示转折关系，说明人们还是在继续用强力的机器砍伐越来越多的树木，continue to do“继续做……”。

10．A.build up C．save up

B．grow up D．cut down

解析：选D 根据句意，在此表示用强力的机器砍伐越来越多的树。cut down与上文复