(2)break away from脱离；逃脱

(3)break down出故障，坏掉；失败；(健康等)垮掉

(4)break in插话；破门而入

(5)break into破门而入

(6)break up粉碎；解散；分手

13．与watch有关的短语

(1)watch out (for)密切注意；当心；提防

(2)watch over照看；看守

(3)keep a watch on守望；注视

14．as...as...结构

(1)as＋形容词＋a/an＋可数名词单数＋as...像......一样的......

(2)as＋形容词/副词原级＋as...像......一样......

和......一样多

15．倍数的表达方法

(1)倍数＋as＋adj./adv.(原级)＋as...

(2)倍数＋比较级＋than...

(3)倍数＋the size(height/length/width...)＋of...

(4)倍数＋what从句

16．now that...

(1)now that既然，由于，引导原因状语从句，在口语中可以省略that。与now that意思相近的有seeing that，since等。

(2)就像although/though不能与but连用，because不能与so连用一样，当now that引导的从句表示原因时，主句前不能加so。

注意：引导原因状语的介词短语有due to，thanks to，because of，as a result of，owing to，on account of等。

Explore MKⅡ

MKⅡ，a planet billions of kilometers away，is 1.the origin of life in many religions.Physicists 2.have proved(prove) the theory that its gentle climate and the pull of its gravity are similar to the earth's.And astronomers have found that oxygen atoms and carbon dioxide，3.which are fundamental to life，exist in its atmosphere through satellites.4.Cheered(cheer) up by this news，biologists，in their turn，began to do some research