红星教育初三下册第二单元总结
Topic1
一：词汇
1.pour … into…向…投入… pour away倒掉
2.breathe 动词，意为“呼吸”breathe in吸入 breathe out呼出
Breath 名词，意为“呼吸”hold one’s breath屏住呼吸 take a deep breath深吸一口气 in a bad mood心情坏 in a good mood心情好
3.can ’t bear doing sth.不能容忍做某事
4.hope to do sth.= wish to do sth.希望做某事
Wish sb. to do sth.希望某人做某事（hope 没有此结构）
5.be harmful to =do harm to对…有害 what ’s more而且，更为重要的是 What ’s worse更糟的是 lose one’s hearing=have one’s hearing丧失听力
6.quite a few =many许多 quite a little= much no better than=almost as bad/badly as “同…一样坏，不比…做得好”
7.be harmful to=do harm to对…有危害 bear=stand意为忍受，容忍
8.What ’s worse更糟的是， What ’s more而且，更为重要的是
9.It is said that…据说…It is reported that据报道 It is believed that 人们相信 It is well known that众所周知
10.not 与both ，every ，all 以及every 的派生词连用时表示部分否定，意为“并不是都…”Not everyone likes basketball。并不是每个人都喜欢篮球
Neither ，none ，nothing ，nobody ，no one表示全部否定
11.pollute 动词，意为“污染”pollution 名词
二：句子
1.I went there two years ago.
2.Look! there are several chemical factories pouring waste water into the stream. 3….noise is a kind of pollution and is harmful to humans’ health
4.People who often work and live in noisy conditions often go deaf
5.It not only disturbs others but also does great harm to people’s hearing。 三：语法
1.There be +sth. /sb. doing sth.有某人或某物正在做某事
There be+sth. /sb. to do sth有某人或某物（将要/经常/过去）做某事
2. 一般过去时与现在完成时
一般过去时：表示过去某个具体时间发生的动作或某段时间存在的状态，强调过去的情况，常与表示过去的时间连用。
Eg.I saw the film last week.（强调动作在上周发生）
现在完成时：表示过去发生或已经完成的某一动作对现在造成的影响或结果，强调现在的情况，不能与过去某个时间或某段时间连用
Eg.I have seen the film.（强调现在对此电影有了解）
Topic2
一：词汇
1.change into转变成，变成， blow away吹走 cut down砍到 die out灭绝，消失
2.stop/prevent sb/sth from doing sth.阻止某人或某物做某事
3.a number of许多大量，修饰可数名词复数，谓语动词用复数形式
plenty of许多，大量，即可修饰不可数名词也可修饰不可数名词
a lot of=lots of许多，大量即可修饰可数名词也可修饰不可数名词
4.as a result结果，as a result of由于 worst of all最糟的是
5.take sb for a walk带某人散步 take one’s time别着急，慢慢干
Take turns轮流，替换take it easy放松，别紧张refer to谈及，指的是
6.be good for对…有益 be bad for对…有害，be good at擅长
Avoid doing sth避免做某事 be short of缺乏 be short for是…的简写
7.seem to do sth似乎，好像做某事，it seems that day by day一天又一天的 二：句子
1. As a result, a lot of rich land has changed into desert.
2. Trees can stop the wind form blowing the earth away.
3. None of us likes pollution.
4. We shouldn’t leave the rubbish here and there.
5. We should do everything we can to protect the environment.
6. Worst of all, some of them are quite rude when talking to others.
7. While nearly 3/4 of the earth is covered with water, we are still shot of drinking water.
三：语法点
Eg. Something is wrong with the computer.
形容词修饰不定代词时应放在不定代词之后
There is something delicious on the table.
Topic 3
一：词汇
1.work for为... 工作 encourage sb to do sth鼓励某人做某事 blow away吹走
2.Worst of all.最糟糕的是 take away拿走，取走 take turns轮流，take it easy放松，别紧张， refer to谈及，指的是 day by day日复一日
3.Be covered with被... 覆盖 be short of缺乏... Be short for...的简称
4. Avoid doing sth避免做某事 hurry up赶紧，赶快。
5.Give up放弃，give in屈服，让步 give off发出，放出 give out分发
6.Ought to do sth=should do sth应该做某事
7.Shut off关掉，切断turn on打开 turn off关闭 turn up调高 turn down调低
8.Take actions to do sth采取行动做某事 after all毕竟，终究 best-known=famous
9.Reach/achieve a speed of +具体速度，达到某种速度 at a speed of后加具体速度，表示以某种速度。 Speed 前可用high ，low ，full 修饰
10.Run out用完
二：句子
1. Recycling can protect the environment, and it can save money,too.
2. Would you like to be a greener?
3. First ,you ought to shut off the electricity when you leave a room.
4. Easier said than done
5. Actions speak louder than words
6. The train can reach a top speed of 431 km per hour
三：语法点
1. 并列句：含有两个或者两个以上独立的简单句叫做并列句。通常由and ，while ，or ，so 等连词连接。
2. 表示并列关系常用and 连接
3. 表示转折常用but while
4. 表示选择用or ，either...or
5. 表示因果关系so ，for