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本文(2021届高考英语大一轮复习 Unit 22 Environmental Protection课时作业22a 北师大版选修8.doc)为本站会员(高****)主动上传,免费在线备课命题出卷组卷网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知免费在线备课命题出卷组卷网(发送邮件至service@ketangku.com或直接QQ联系客服),我们立即给予删除!

2021届高考英语大一轮复习 Unit 22 Environmental Protection课时作业22a 北师大版选修8.doc

1、课时作业22Environmental Protection.课标单词写作词汇明其义1recycle vt.回收利用2threaten vt.威胁3substitute n代替品,代用品4seize vt.依法没收;(用武力)夺取5means n方法6trap vt.使困住7carve vt. & vi.雕刻8slide vi.滑行9potential n可能性,潜在性10roll vi.(平稳地)移动,滚动11politics n政治(活动)12behalf n代表13flee vt. & vi.逃走14mountainous adj.多山的15arm vt.武装阅读词汇悉其用1advoca

2、te vt. 主张,提倡2botanical adj. 植物的3consultant n. 顾问4boycott n. (联合)抵制5rough adj. 艰难的6ecology n. 生态7principle n. 原则;道德准则8catastrophe n. 巨大的灾难9coincidence n. 巧合10sacrifice vt. & vi. 牺牲;献出11negative adj. 消极的,负面的12considerate adj. 想得周到的,体贴的13finance n. 资金14allocate vt. 分配,配给15evolution n. (生物)进化拓展词汇通其变1dus

3、t n灰尘,尘土dusty adj.多灰尘的2coincidence n巧合coincident adj.一致的,巧合的3separation n分离,分开separate vt.分离,分开 adj.分开的separately adv.分开地4adopt vt.采用;收养adoption n采用;采纳;收养5reserve n保护区reservation n保护6agriculture n农业agricultural adj.农业的7relevant adj.有关的irrelevant (反义词)adj.不相干的8construct vt.建造construction n建造;建筑9consi

4、derate adj.想得周到的,体贴的consideration n考虑;思考consider vt.思考,考虑considering prep.考虑到;鉴于10sharpen vt. & vi.削尖sharpener n卷笔刀sharp adj.锋利的;尖锐的;敏锐的11change vt.改变changeable adj.多变的12irrigation n. 灌溉irrigate vt.灌溉语境活用(用所给单词的适当形式填空)1The senator urged against the adoption (adopt) of the measure.2The world is chang

5、eable,_and everything is changing.(change)3Henry was forced to leave his motherland for political (politics) reasons.4A new bridge is being constructed over the river and its construction will be finished next year.(construct)5It is not safe to let the child sharpen (sharp) his pencil.6My calculatio

6、n (calculate) is based on notional figures, since the actual figures are not yet available.7Considering his young age, it is quite considerate of him to consider other people before making decisions.(consider)8After a long separation,_they separated peacefully.(separate)9Even in advanced agricultura

7、l (agriculture) societies, it took about ninetyfive people on farms to feed five people in cities.10Some members of the committee expressed reservations (reserve) about the proposal.课标短语短语速记1earn_ones_living 谋生2as_a_matter_of_fact 实际上3look_ahead 展望未来,向前看4result_in 导致5break_away_from 摆脱;脱离6a_number_o

8、f 一些7beyond_ones_control 超出某人的控制8take_action 采取行动9.sum up 总结,概括10on somebodys behalf 代表11lead to 引起,导致12ahead of time 提前13answer for (对已产生的不良后果)负责任14carry off 掠去,夺走15in turn 依次,轮流16all in all 总之17apart from 除之外语境活用(选用上面的短语填空)1Your attitude affects others which in_turn affects you.2Look_ahead in the

9、distance, and you can see the lights of the village.3It was his carelessness that led_to his failure in the exam.4Apart_from the injuries to his face and hands, he broke both legs.5Thieves carried_off the farmers sheep during the night.6I was encouraged to break_away_from old forms and rules.7If you

10、 go on doing this, we wont answer_for the consequence.8I thought wed be late for the concert, but we ended up getting there ahead_of_time.9A_number_of students were absent from the meeting for various reasons.10All_in_all,_every road leads to Rome, but I do believe hard work pays off.重点句型教材还原1Lookin

11、g_ahead,_scientists believe that global warming could be one of the biggest environmental problems facing the 21st century.展望未来,科学家们认为全球变暖是21世纪所面临的最大的环境问题之一。2Without these naturally occurring gases, the suns rays would_bounce back into space leaving the Earth cold and impossible to live on.如果没有这些自然产

12、生的气体,太阳光将会被反射回太空中去,使地球处于寒冷之中,而且不适合居住。3Given_this_data,_it seems that the link between human activities and rising global temperatures is not merely a coincidence.鉴于这些数据,人类活动与正在升高的地球温度之间的联系好像并不仅仅只是巧合而已。4The_last_few_years_have_seenenvironmental disasters on a grand scale, and experts are predicting f

13、ar worse to come.近几年一些环境灾难大规模地出现,专家们预测更坏的局面即将来临。5If we add up all these small changes made_by_everyone_worldwide,_they wont be such small changes.如果我们把全世界每个人所创造的小改变叠加起来,那将不再是小变化。写作运用1Looking_ahead,he decided to stick to his present job.展望未来,他决定坚持做目前的工作。2Without the air to hold some of the suns heat,

14、 the earth at night would_be_freezing_cold,_too cold for us to live on.如果没有大气保持太阳的热量,夜晚的地球将会非常寒冷,冷得让我们无法生存。3Given_their_inexperience,_the Chinese womens synchronized swimming team has done well.考虑到她们缺乏经验,中国女子花样游泳队已经做得很好了。4The_last_ten_years_have_seen the rapid development of China.过去10年见证了中国的快速发展。5T

15、he sandwiches made_by_my_mother are very delicious.我妈妈做的三明治很好吃。.语篇整合话题与语篇填空In the last few decades, scientists have reported that human beings are causing changes in the Earths climate, which was considered 1.beyond our control. But what exactly is global warming, and how is it relevant 2.to our liv

16、es? Global warming 3.refers (refer) to an average increase in the Earths temperature that, in turn, leads to climate change. Scientists found that the temperature of the Earth is controlled by greenhouse gases. Without these naturally occurring gases, the suns rays 4.would_bounce (bounce) back into

17、space leaving the Earth cold. The global average temperature has increased by 1 over the last 100 years. Many experts insist that the blame for this global warming can mostly 5.be_pinned (pin) on human activities. If we continue to produce more carbon dioxide and other gases,we 6.are_condemning (con

18、demn) life on Earth and should face terrible climate changes, serious diseases and bad effects on some industries as well as the 7.rising (rise) sea levels. How can we stop these disasters happening? Governments all over the world have a responsibility 8.to_reduce (reduce) carbon dioxide. Even every average person can play their part. They can make small changes like taking public transport, 9.recycling (recycle), using lowflow shower heads, 10.which can be added up to save our future. After all, theres no substitute for our Earth.话题与短文改错

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