英语不止做为一门语言和交流工具，而是被提升到了必备技能的范畴，精品小编准备了英语高一下册第二单元期中必备知识点，具体请看以下内容。
一、重点句子：
1. During the 1990s, 21 million people died as a result of smoking cigarette.
在二十世纪九十年代，有两千一百万人由于吸烟而死去。
as a result of… 由于……的结果 The accident happened as a result of carelessness
result in …导致 Carelessness resulted in the accident.
result from… 由……引起 The accident resulted from carelessness.
2. Thirteen people die every hour from illness related to smoking tobacco, such as cancer, bronchitis and heart disease. 每小时有十三人死于与吸烟有关的疾病，像癌症，支气管炎，心脏病。
die of / from 死于…… His parents both died of cancer.
be related to…与……有关 It’s a matter related to his fame.
3. I’m nineteen years old and I used to be a drug addict.我十九岁，曾经是个瘾君子。
4. Users who inject the drug are also in more danger if they share needles with other users.
如果那些注射毒品的人和其他吸毒者共用针头的话，他们会面临更多的危险。
5. The next day, I broke into a house and stole a television and a video recorder.
第二天，我闯进了一户人家，偷了一台电视机和一台录像机。
break into v.t 闯入，破门而入 ，打断，突然……起来
break in v.i 强行进入，插话，打断
The man found his house broken in when he came home.
The crowd broke into laughter.
He kept broke in with silly questions.
6. Now I work in a center for drug addicts, helping others to stop taking drugs.
现在我为一家戒毒中心工作，帮助其它人戒毒。
7. Participants learn to recognize smoking triggers (things that start them smoking) and try to set a date in the future when they will stop smoking.
参加者认清了引起吸烟的刺激物，他们设法确定一个将来戒烟的日期
8. I think it would be good if they banned smoking in restaurants and cafes as well.
我认为如果在饭店和咖啡厅也禁烟将会好些
9. UK teenagers are taking up two five times more illegal drugs, for example, ecstasy tablets and cannabis, than in other European countries.
英国的青少年使用的违禁药品。例如摇头丸和大麻，比其它的欧洲国家多五倍。
10. Do you think you would follow this advice if you were a smoker?
你认为假如你是一个吸烟者，你会遵循这个建议吗?
11.Choose a time when you will be relaxed but also too busy to think about smoking.
选一个忙碌的让自己无暇考虑吸烟而又放松的时间。
二、语法： 目的状语
to do / in order to do / so as to do
不定式短语作目的状语，主要用来修饰动词，表示某一动作或状态的目的，逻辑主语通常是句子的主语，为了使目的意义更加清楚或强调，还可在前面加上in order(句首，句末)或so as(句中)
To draw maps properly, you need a special pen.
I’ve written it down in order not to forget.
He shouted and waved so as to be noticed.
The teachers are using new methods for students to make progress.
结果状语从句
结果状语从句主要由so that, so…that, such…that等引导。在so…that结构中，so后面跟形容词或副词;在such…that结构中，such后面跟名词。
e.g He made a wrong decision, so that half of his lifetime was wasted.
他做了错误的决定，结果毁了半生。
He told us such funny stories that we all laughed.
他讲的故事非常有趣，我们都哈哈大笑。
注意下列几种结构：
1. So+形容词+a/an+单数名词+that
e.g. It was so hot a day that even the crops withered.
天气极度炎热，连庄稼都枯萎了。
2. such+a/an+形容词+单数名词+that
e.g. It was such an interesting film that I saw it twice.
这是一部很有趣的电影，我看了两次。
3. So+many/few+复数名词+that
e.g. He had so many things to do that he was busy all day long.
他事务繁杂，整天忙的不可开交。
4. So+much/little +不可数名词+that
e.g. He earned so little money that he could barely support his family.
他挣钱很少，几乎养活不了一家人。
注：so/such放在句首引导结果状语从句时，主句动词与主语倒装
e.g. So loudly did he speak that everyone could hear him clearly.
So quickly did the workmen finish their work that they were given a bonus.
工人们这么快就干完了，结果他们得了奖金。
高中是人生中的关键阶段，大家一定要好好把握高中，编辑老师为大家整理的英语高一下册第二单元期中必备知识点，希望大家喜欢。
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