最新高中英语Unit22EnvironmentalProtection单元核心要点回扣北师大版选修8

Unit 22 Environmental Protection单元核心要点回扣Ⅰ.重点单词
1．________n．农业→________adj.农业的
2．________v．分开；分离→________n．分离，分开
3．________n．山，山区→________adj.多山的
4．________v．考虑，考虑→________adj.想得周到的，体恤的→________adj.相当大的，可观的；值得考虑的
5．________adj.锋利的，尖锐的→________vt.削尖→________n．卷笔刀
6．________vt.建造→________n．建设；建造
7．________vt.主张；倡导→________n．拥护；主张；倡导
8．________n．资金→________adj.财政(上)的；金融的
9．________n．政治→________adj.政治的→______n．政治家
10．________vt.分配；配给→________n．分配；配给
【答案】 1.agriculture；agricultural 2.separate；separation 3.mountain；mountainous 4．consider；considerate；considerable 5.sharp；sharpen；sharpener 6.construct；construction 7．advocate；advocation 8.finance；financial 9．politics；political；politician 10.allocate；allocation
Ⅱ.重点短语
1．look ________ 展望将来；向前看
look down on/upon 轻视；看不起
look forward ________ 期待；盼望
look ________ (情势)好转；查阅；昂首看
look up to 敬慕；爱崇
2．carry off 掠去；夺走
carry away 带走；冲去
carry ______(with sth.) 继续做
carry sth.________ 实行；履行
carry sb.________ 帮某人渡过难关
3．turn ________ 对……发怒；打开
turn ________ 出现；调大(音量等)
turn down 拒绝；调小(音量等)
turn ________ 结果是；证明是；消费
turn over 翻转；移交
4．get ________ 克服；恢复；完成；熬过
get along 相处；进展
get down ________ 开始认真做
get ________ 进来；收割；参加
get through 做完；用完；接通；完成
5．break away from 脱离；离开；与……脱离关系
break ________ 爆发；忽然发生
break through 打破；冲垮
break down 出故障；分解
break up 打碎；拆散；分裂(解体)答案
【答案】 1.ahead；to；up 2.on；out；through
3．on；up；out 4.over；to；in 5.out
Ⅲ.重点句式
1．The amount of carbon dioxide in the atmosphere has risen by more than 30% in the last 250 years ________________ since 1960.
在过去的250年里，大气中的二氧化碳的含量曾经添加了30%以上，而其中一半是在1960年以后添加的。

2．________________，the sun's rays would bounce back into space leaving the Earth cold and impossible to live on.
没有这些自然产生的气体，太阳光将被反射回太空中，使得地球将处于寒冷当中而不合适生命保存。

3．________________，it seems that the link between human activities and rising global temperatures is not merely a coincidence.
考虑到这个数据，看起来人类活动与正在上升的全球温度之间的联系就不仅仅是一个巧合了。

4．Many people thought that permission wouldn't be given，and some thought the project ____________________.
许多人认为不会得到答应，也有一些人认为这项工程本来就不该被允许。

5．Rivers，lakes and wet­lands are sources of fresh water ________________ for humans，________________ for wildlife as well.
河流、湖泊和湿地不仅是人类也是野生生物的淡水来源。

【答案】 1.with half of this increase occurring 2．Without these naturally occurring gases 3.Given this data 4.should never have been allowed 5.not only；but
Ⅳ.回顾话题
尽可能用本单元的词汇和句式完成以下写作任务。

在一个小山村，有一位老人靠农业为生。

考虑到他的年龄，他本不该当再这样生活了。

但是他独一的儿子被强盗掠走了，那使得他与儿子不得不分离，但他还要继续生活。

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【参考范文】
There was an old man in a mountain village who earned his living by agriculture.Given his age he should not have lived like this but his only son was carried off by a robber，which made him separated from his son.However，he carried on living for his future.。