1．Division　n
the act of dividing or partitioning; separation 分开或分割
The division of wealth is very important.
派生词汇Divide vt 分割，分离 dividend n 红利

2．Splitting　adj
very painful 剧烈的
I have got a splitting headache.
派生词汇Split 劈开，切开adj已被分开的或被劈开的n劈开

3．Audible　adj
that is heard or that can be heard 听得见的
Her voice was scarcely audible above the noise of the wind.
派生词汇Audibly adv 能听见地 audibleness n 可被听到 audibility n 能听度

4．Ethnic　adj
of a national, racial or tribal group that has a common cultural tradition 种族的
Do not look at it with your ethnic view.

5．Causality　n
cause and result 因果
Do not forget the causality.
派生词汇Casual adj 表原因的，构成原因的，因果关系的

6．Landslide　n
sliding of a mass of earth, rock, etc. down the side of a mountain, cliff, etc 崩塌，滑坡
There is a landslide.

7．Aide　n
assistance 助手
They are the chief aides to the President.

8．Cinematograph　n
a movie camera or projector 电影摄影机或放映机
I have a cinematograph.
v to make films or movies 拍摄电影
派生词汇Cinematographer n 电影摄影师

9．Addicted　adj
unable to stop taking or using sth as a habit 入了迷的，上瘾的
He becomes addicted to drugs.
固定搭配Addict oneself to, be addicted to
派生词汇Addict v 使人上瘾Addictive adj 成瘾的addiction n 沉溺

10．Tranquilizer　n
drug used to diminish anxiety 镇静剂，安静药
She is taking tranquilizers frequently.

Exercises
1. Sound is ___ only within a limited distance.
2. The people on this globe is divided into groups according to __ and cultural differences.
3. The economists must study the ___ relationship between scarcity of goods and higher prices.
4. ___ behaviour should

答案
1.audible
2.ethnic
3.causal
4.Addictive
5.tranquilizers