外研版 必修1  模块5 语言点

1.When we use metals, it is important to know how they react with different substances, …

react with 意为“对……起反应”。

react: [ ri'ækt ] 

v. 反应,起作用,反动

react to sb/sth 对……作出反应

react against sb/sth 反对，反抗

react against the political system

反抗政治制度。

react with sth/react together 和……起反应

react on sth 对某事物有影响

Applause reacts upon a speaker.

鼓掌对演讲人会有影响。 

1.) An acid can react with a base to form a salt. 

 酸可以和碱起反应而生成盐。

 2.) How did they react to your suggestion? 

 他们对你的建议有什么反应？

 3 )She reacted to the insult by turning her back on him. 

 她受辱之后就不再理睬他了。

 4.)Iron reacts with water and air to produce rust. 

 铁与水和空气起化学反应而生锈。

2. The reaction of metals with these  substances can be put in order.

in order意为“井然有序的；整理好的

put... in order 把有序排列，整理……；

in order 有序的， 情况良好

out of order 无序的， 工作不正常， 出故障

by order of 奉……的命令， 按……的指示

place an order with sb for sth

on order 定购的

in order to 为了干……

in order that 目的在于； 为了；以便

Call the names in order.

请依照次序叫名字

His liver is out of order

他的肝脏出了毛病。

3.Add some oil to the water

add ... to ..把……添到，加到……上……

.Add some oil to the water.

往水里加些油

If you add 5 to 5, you'll get 10.

5加5等于10。

add to 增加， 增添某物

add up to 共计，共达

add up 加起来

1）These numbers _________ 100. 这些数字合计是100。

2) _____________________________ all the money i owe you .

把我应付你的钱都加在一起。

The bad weather only _________- our difficulties.

这种坏天气更增加了  

Five _____________ four is nine.

5 加4 等于9。

The key:

1) add up to 2) Add up 3) added to 4) added to

4. This will keep air out of the water.

keep ……out of 不让（某人/某物）

进入（某处）； 使某人避开……， 不卷入

Keep that dog out of my study.

别让那条狗进我的书房。

Keep the children out of harm's way if you take them to the match.

带孩子看比赛，要注意安全

She wore a hat to ______________.

他戴着帽子遮阳，保护眼睛(不受太阳伤害）。

Try your best to ___________ their quarrel.

 A. keep out B. keep away C. keep out of D. keep from

链接

keep way 不接近，使不接近

keep ...from .... 阻止……做某事……

keep off 不接近或不接触某人/某事物

keep sth up 继续保持

keep up 持续不停（尤指天气）

keep up with  跟上， 与……同步前进。

The key:

1) keep the sun out of her eyes.

2)C

5. Iron does not rust in air-free water.

air-free为形容词，意为“没有空气的”。

-free用以构成形容词或副词，意为“无，免除”。类似的：

carefree adj. 无忧无虑的; 无牵挂的; 轻松愉快的

duty-free adj. & adv. 免税的  disease-free adj. 无病的

worry-free adj. 无忧无愁的 

6. Half-fill a test tube with water…

 fill …with 意为“使……满；填满”。

 He filled the bottle with water.

 他把瓶子装满水。

 Her eyes were filled with tears.

 她热泪盈眶。

 The result filled his heart with despair.

    这样的结果使他心中充满失望。

7. Leave the tube for one week.

 leave意为“放置, 不去动某物, 使……  处于某种状态” 。如：

 Leave the child as he is.

 这孩子随他去，别去惹他。

 Who left the lights on?

 谁没开灯？

Leave a basin of water outside in the freezing weather, and it will soon freeze.

在极冷的天把一盆水放在室外, 水很快会结冰。

8. aim: [ eim ] n. 目标,对准 v. 对准目标,打算

1). He aims to be a successful writer. 

 他的目标是成为一个成功的作家。

 2). What is your aim in life? 

 你的生活目标是什么？

 3). I aimed at the target but hit the wall. 

 我瞄准了目标射击，但却打在了墙上。

 4). My remarks were not aimed at you. 

 我的话不是针对你的。

aim high 胸怀大志；力争上游 aim at 瞄准，目标是 take aim at 把目标对准某人、某事物

aim to do 旨在做某事