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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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