牛津英语模块5Unit2知识点总结.doc
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单词用法:
1. waste
1) n. 废物, 浪费, 垃圾
Industrial waste must be prevented from polluting our rivers.
人们应当禁止工业垃圾污染我们的河流。
2) adj. 废弃的, 荒芜的, 多余的
The boy threw it away, thinking it was waste paper.
那个男孩以为它是废纸,把它扔掉了。
3) vt. 浪费, 消耗, 使荒芜 (waste time in doing sth.)
There is no use wasting time in discussing how it happened.
浪费时间讨论它是如何发生的是没有用的。
2. amount表示“大量的”,修饰不可数名词;
在句中时,由amount(s)来决定动词的单复数。
A large amount of money is needed badly.
人们急需大量的金钱。
Large amounts of time are spent going over the lessons for the final exams.
为了期末考试,花大量的时间来温习功课。
3. lay vt., vi.
1) 放,置
Lay it on the table. 把它放在桌上。
2) 摆放好
lay the table 摆好餐桌(摆好餐具)
3) 产,下(蛋)
The hen laid three eggs.母鸡下了三个蛋。
注意区别:
“下蛋;产卵;放,置” laylaidlaidlaying;
“躺” lielaylainlying;
“说谎” lieliedliedlying;
4. population
1) 当表示人口数量的时候,是一个不可数名词, 表示人口多少通常用形容词large/ small修饰。
The population of China is much larger than that of the USA.
中国的人口比美国的大多了。
Canada is a large country with a small population.
加拿大是一个面积很大而人口很少的国家
2) 表示具体的人时,用作复数名词;
70 % of the population in China are peasants. 中国70% 的人口是农民。
3) 询问人口多少,用特殊疑问词what;
What is the population of your hometown? 你家乡有多少人口?
词组:
1. in addition (to) 表示附加原因,“而且,此外”。
In addition, there is one more point I would like to make.
此外,我还想再说明一点。
In addition to the subjects already mentioned, students will also study biology.
包括刚才提到的科目,学生此外还要学生物。
2. wipe out 消灭,灭绝,洗净…的内部
The deadly disease almost wiped out the whole nation.
致命的疾病几乎使整个民族消失。
All the information saved in the computer was wiped out by the virus.
所有储存在电脑里的资料全部被病毒删除了。
Can you wipe out the inside of the coffee pot?
你能把咖啡壶的内部洗干净吗?
3. cut back on = cut down on = reduce 减少,削减
To save money, we should cut back on our spending.
为了节省钱,我们必须减少开支。
If we can’t sell more, we will have to cut back on production.
如果我们不能扩大销售量,我们就不得不削减生产。
语法:
1. 表示倍数的三种方法:
A 是B的多少倍: A is …times as … as B (原级)
A is …times 比较级 than B (比较级)
A is …times the size/ length/ value/ width… of B
(形容词对应的名词形式)
这个房间是那个房间的3倍那么大。(三种表
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