1．Division n the act of dividing or partitioning; separation 分開(kāi)或分割
　　The division of wealth is very important.
　　派生詞匯Divide vt 分割，分離 dividend n 紅利
　　2．Splitting adj very painful 劇烈的
　　I have got a splitting headache.
　　派生詞匯Split 劈開(kāi)，切開(kāi)adj已被分開(kāi)的或被劈開(kāi)的n劈開(kāi)
　　3．Audible adj that is heard or that can be heard 聽(tīng)得見(jiàn)的
　　Her voice was scarcely audible above the noise of the wind.
　　派生詞匯Audibly adv 能聽(tīng)見(jiàn)地 audibleness n 可被聽(tīng)到 audibility n 能聽(tīng)度
　　4．Ethnic adj of a national, racial or tribal group that has a common cultural tradition 種族的
　　Do not look at it with your ethnic view.
　　5．Causality ncause and result 因果
　　Do not forget the causality.
　　派生詞匯Casual adj 表原因的，構(gòu)成原因的，因果關(guān)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．Aiden assistance 助手
　　They are the chief aides to the President.
　　8．Cinematograph n a movie camera or projector 電影攝影機(jī)或放映機(jī)
　　I have a cinematograph.
　　v to make films or movies 拍攝電影
　　派生詞匯Cinematographer n 電影攝影師
　　9．Addicted adj unable to stop taking or using sth as a habit 入了迷的，上癮的
　　He becomes addicted to drugs.
　　固定搭配Addict oneself to, be addicted to
　　派生詞匯Addict v 使人上癮Addictive adj 成癮的addiction n 沉溺
　　10．Tranquilizer n drug used to diminish anxiety 鎮(zhèn)靜劑，安靜藥
　　She is taking tranquilizers frequently.
　　Exercises1. 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 be seen as kind of mental disease.
　　5. The physician uses ___ to reduce the patients’ tension or anxiety.
　　1.audible
　　2.ethnic
　　3.causal
　　4.Addictive
　　5.tranquilizers