選修6　Unit 4　Global warming

要 點(diǎn) 梳 理?高效梳理?知識(shí)備考

●重點(diǎn)單詞

1．phenomenon n．現(xiàn)象→phenomena pl.

2．subscribe vi.同意；捐贈(zèng)；訂閱 vt.(簽署)文件；捐助

3．quantity n．量；數(shù)量→quality n．質(zhì)量；品質(zhì)

4．tend vi.趨向；易于；照顧 vt.照顧；護(hù)理→tendency n．傾向；趨勢(shì)

5．trend n．趨勢(shì)；傾向；走向

6．oppose vt.反對(duì)；反抗；與(某人)較量→opposed adj.反對(duì)的；對(duì)立的

7．consequence n．結(jié)果；后果；影響

8．state vt.陳述；說(shuō)明→statement n．說(shuō)明

9．range n．種類；范圍

10．glance vi.看一下；掃視 n．一瞥

11．steady adj.平穩(wěn)的；持續(xù)的；穩(wěn)固的→steadily adv.平穩(wěn)地；持續(xù)地

12．widespread adj.分布廣的；普遍的

13．a(chǎn)verage adj.平均的

14．circumstance n．環(huán)境；情況

15．refresh vt.使恢復(fù)；使振作

16．contribution n．貢獻(xiàn)→contribute v．貢獻(xiàn)

●重點(diǎn)短語(yǔ)

1．come about　發(fā)生；造成

2．subscribe to 同意；贊成；訂購(gòu)

3．quantities of 大量的

4．go up 上升；增長(zhǎng)；升起

5．result in 導(dǎo)致

6．be opposed to 反對(duì)……

7．even if 即使

8．keep on 繼續(xù)

9．on the whole 大體上；基本上

10．on behalf of 代表……一方；作為……的代言人

11．put up with 忍受；容忍

12．so long_ as 只要

13．a(chǎn)nd so on 等等

●重點(diǎn)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.

毫無(wú)疑問(wèn)，地球正變得更加暖和(見圖表1)，而且全球轉(zhuǎn)暖是人為的，而不是隨意的自然現(xiàn)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.

即使我們開始減少二氧化碳和其他溫室氣體的含量，在(未來(lái))幾十年或幾個(gè)世紀(jì)內(nèi)，氣候仍會(huì)持續(xù)轉(zhuǎn)暖。

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

只要你在使用電器設(shè)備，你便可以把它開著。如果不用就把它關(guān)掉！

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

將新材料做成物品需要許多能量，因而，如果有可能請(qǐng)購(gòu)買用回收材料制成的物品。