外研社必修三module4.doc
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必修三module 4知识点讲解
讲义
【内容讲解】
1.mass
①n.团,块,堆;大量,许多②adj.大批的,大量的,广泛的③vt. vi.集结;聚集
误区警示:masses of可用来修饰可数名词,也可用来修饰不可数名词。
知识链接:
下列短语都有“许多的,大量的”之意,可修饰可数或不可数名词:
lots of=a lot of quantities of=a quantity of varieties of=a variety of
collections of=a collection of supplies of=a (good) supply of plenty of
eg. a mass of snow
The sky was full of dark masses of clouds.
2.concerned adj.关心的;有关的(常用于名词之后);挂念的;担心的
精讲拓展:
①concerning prep.关于
②be concerned in sth.涉及
③be concerned with sth. 关于;有关
④so/as far as sth. /sb. be concerned 据……所知
⑤have no concern for 毫不关心
⑥have no concern with 和……毫无关系
⑦concern vt.涉及,关系到n.(利害)关系,关心
⑧be much concerned about 十分挂念;担心;焦虑
误区警示:concerned表示“关心的,有关的”时常作后置定语或表语。
Everyone concerned in the incident was questioned by the police.
命题方向:concerning,as/so far as sb./sth. be concerned是重要考点。
3.urgent adj.紧急的,迫切的;非常重要的
They were urgent in their demand.
She was urgent for the doctor to come.
精讲拓展:
①urge vt.推进,极力主张;催促,激励
②urgency n.紧急,迫切
③urge sb.to do...敦促某人做……
④urge sb. into doing...敦促某人做……
⑤urge sb. against强烈反对
⑥be in urgent need of急需
4.evidence n.根据,证明( 同义词:obvious, apparent)
There is evidence that somebody has been living here.
evident adj.明白的,明显的
be in evidence 明显,显而易见
It is evident that 很明显……
注意:①evidence指有助于证明某事确实存在的任何事物,或与法律诉讼有关的物证,见证。
②proof指直接证明某事是事实的根据。
③witness亲眼见过某事的证人或提供的见证。
误区警示:evidence是不可数名词。
6.strength n.体力,力气;意志力;强点;坚强
精讲拓展:
have the strength to do有做……的力气/意志力
with all ones strength用尽全身的力气
in strength大批地,大量地
误区警示:strength表示“体力;力气;意志力;坚强”时,为不可数名词;但表示“强点,优势,长处”时是可数名词。
词语辨析:strength,force,power与energy
①strength着重指人的体力或坚强的意志力。
②force指物理学上的“力”也指为做某事而使用的力量,还可指武力。
③power指能力、权力、着重行动所根据的能力、本领或职权。
④energy主要指人的精力,或自然界中物理学定义中的“能,能量”。
命题方向:strength常与force, power等以词语辩析题的形式出现在高考中。
7.cut down砍倒,削减,驳倒,改小或缩短(衣服)
Many big trees along the road have been cut down for building houses.
①cut out 剪除;切掉;割掉
②cut up 切碎;使伤心
③cut off 切断,停掉,隔绝
④cut across/through 抄近路穿过
⑤cut in 插入,插嘴
⑥cut open切开或破开某物
You smoke too much—you should try to cut down.
8.give ou
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