选修6 Unit 4 Global warming

要 点 梳 理 高效梳理•知识备考

●重点单词

1.phenomenon n.现象→phenomena pl.

2.subscribe vi.同意;捐赠;订阅 vt.(签署)文件;捐助

3.quantity n.量;数量→quality n.质量;品质

4.tend vi.趋向;易于;照顾 vt.照顾;护理→tendency n.倾向;趋势

5.trend n.趋势;倾向;走向

6.oppose vt.反对;反抗;与(某人)较量→opposed adj.反对的;对立的

7.consequence n.结果;后果;影响

8.state vt.陈述;说明→statement n.说明

9.range n.种类;范围

10.glance vi.看一下;扫视 n.一瞥

11.steady adj.平稳的;持续的;稳固的→steadily adv.平稳地;持续地

12.widespread adj.分布广的;普遍的

13.average adj.平均的

14.circumstance n.环境;情况

15.refresh vt.使恢复;使振作

16.contribution n.贡献→contribute v.贡献

●重点短语

1.come about 发生;造成

2.subscribe to 同意;赞成;订购

3.quantities of 大量的

4.go up 上升;增长;升起

5.result in 导致

6.be opposed to 反对……

7.even if 即使

8.keep on 继续

9.on the whole 大体上;基本上

10.on behalf of 代表……一方;作为……的代言人

11.put up with 忍受;容忍

12.so long_ as 只要

13.and so on 等等

●重点句型

1.There is no doubt that the earth is becoming warmer(see Graph 1) and that it is human activity that has caused this global warming rather than a random but natural phenomenon.

毫无疑问,地球正变得更加暖和(见图表1),而且全球转暖是人为的,而不是随意的自然现象。

2.Even if we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or centuries.

即使我们开始减少二氧化碳和其他温室气体的含量,在(未来)几十年或几个世纪内,气候仍会持续转暖。

3.It is OK to leave an electrical appliance on so long as you are using it-if not,_turn it off!

只要你在使用电器设备,你便可以把它开着。如果不用就把它关掉!

4.It takes a lot of energy to make things from new materials,_so, if you can, buy things made from recycled materials.

将新材料做成物品需要许多能量,因而,如果有可能请购买用回收材料制成的物品。