第14讲　Unit 2

1、栏目索引 第第1414讲讲Unit 2Unit 2 栏目索引总纲目录 重点词汇解读 过词汇过词汇积累积累 易混词汇辨析 栏目索引过词汇积累 重点词汇解读重点词汇解读 1.It not only disturbs others but also does great harm to people s hearing.它不它不 仅打扰别人而且还损害人们的听力。仅打扰别人而且还损害人们的听力。(P31) 基本用法harm n. 与复数名词、 代词或单数集合名词连用时,谓语动词用单数或复数均可。如: None of us likes/like running,but we all like swimm

2、ing. 我们当中没有一个人喜欢跑步,但我们所有人都喜欢游泳。 栏目索引过词汇积累 4.The policy requires that only taxis, buses, bikes and special purpose vehicles are allowed to travel anywhere in the city.这个政策要求只有出租车、公交这个政策要求只有出租车、公交 车、自行车和有特殊目的的车辆才能在市里随意穿行。车、自行车和有特殊目的的车辆才能在市里随意穿行。(P54) 基本用法allow v.允许,准许。allow sb. to do sth.允许某人做某事;sb. b

3、e al- lowed to do sth.某人被允许做某事。如: My parents allow me to play computer games twice a week. 我的父母允许我一个星期玩两次电脑游戏。 Mary is not allowed to go out alone at night. 玛丽晚上不被允许单独外出。 栏目索引过词汇积累 5.In China, the best-known maglev train is the German-built one in Shanghai. 在中国在中国,最著名的磁悬浮列车是上海的一列德国人建造的列车。最著名的磁悬浮列车是上

4、海的一列德国人建造的列车。(P47) 基本用法German n.德国人;德语。作为“德国人”讲时,其复数形式为 Germans。如: The three Germans want to go there by bike. 这三个德国人想骑自行车去那里。 栏目索引过词汇积累 6.How can we avoid a serious water shortage?我们怎么能避免严重的水源不我们怎么能避免严重的水源不 足足? (P41) 基本用法avoid v.防止,避免。avoid doing sth.避免做某事。如: We should avoid making mistakes in our

5、homework. 我们应该避免在家庭作业中犯错误。 栏目索引过词汇积累 7.And she has put on a lot of weight.并且她又重了许多。并且她又重了许多。(P53) 基本用法weight n.重量,分量。其动词形式为weigh,表示“称的重 量”时是及物动词;表示“重(多少)”时是不及物动词。如: What is the weight of the baby? =How heavy is the baby? 这个婴儿有多重? Will you weigh it, please? 请你称一称它,好吗? Can I have this parcel weighed h

6、ere? 我可以在这儿称一下这个包裹吗? This luggage weighs 20 kilograms. 这件行李重20公斤。 栏目索引过词汇积累 易混词汇辨析易混词汇辨析 rise/raise rise是不及物动词,后面不能加宾语;raise是及物动词,后面必须有宾语。如: Prices are rising rapidly.价格正在快速上涨。 He raised his right hand.他举起了右手。 I raised the box above my head.我把盒子举过了头顶。 栏目索引用短语突破 1.cut down砍倒砍倒 拓展cut up切碎;cut off停止,中断

7、供给。如: People have cut down too many trees, so the environment is becoming worse and worse.人们大量砍伐树木,因此环境变得越来越糟糕。 The mother is cutting up the meat for her baby. 这位母亲正在为她的孩子把肉切碎。 The electricity was cut off because of the heavy rain. 由于这场大雨,电被中断了。 用短语突破 栏目索引用短语突破 2.give up放弃放弃 拓展give away赠送;give out分发

8、;give off放出,发出;give in让步,屈服。如: He has failed several times,but he never gives up. 虽然失败了几次,但他从不放弃。 The teacher is giving out exam papers. 老师正在发放试卷。 The successful businessman gives away some money to the old peoples home. 这位成功的商人给养老院捐赠了一些钱。 栏目索引用短语突破 The sun gives off light and heat. 太阳发出光和热。 Dont gi

9、ve in.Your dream will be sure to come true in the end.不要屈服,你的梦 想最后一定会实现的。 栏目索引用短语突破 3.take away拿走拿走,带走带走 拓展take off脱掉,起飞;take after(外貌或行为)像;take up占用,占据。如: When it rains or when the wind blows, the earth is taken away.当下雨或刮风的 时候,土壤就被带走了。 Jane took off her raincoat when she got home. 简到家就把雨衣脱了。 The b

10、oy takes after his father. They are both tall. 这个男孩长得像他的父亲,他们都很高。 The table takes up too much room. 这张桌子太占地方了。 栏目索引用短语突破 4.die out灭绝灭绝;消失消失 拓展die of死于疾病、衰老等;die from死于交通事故、谋杀等。如: Some animals are in danger of dying out. 有些动物正处于灭绝的危险中。 Her grandfather died of caner last month. 她的祖父上个月死于癌症。 The busine

11、ssman died from murder yesterday. 这位商人昨天死于谋杀。 栏目索引用短语突破 5.ought to do sth.=should do sth.=be supposed to do sth.应该做某事应该做某事;ought not to do sth.=should not do sth.=be supposed not to do sth.不应该做某事。不应该做某事。 如: Everyone ought to protect the environment.=Everyone should protect the envi- ronment.=Everyon

12、e is supposed to protect the environment.每个人都应该保护 环境。 We ought not to spit in public.=We should not spit in public.=We are supposed not to spit in public.我们不应该在公共场所吐痰。 栏目索引学句型写易 常考句型常考句型 1.Look, there are several chemical factories pouring waste water into the stream.看看,有几家化工厂正在往小溪里排放废水。有几家化工厂正在往小溪里

13、排放废水。(P27) 句型结构There be+sb./sth.+doing sth. 句型应用 (1)树上有几只鸟正在唱歌。 There are several birds singing in the tree. 学句型写易 栏目索引学句型写易 (2)教室里有三个学生正在做家庭作业。 There are three students doing homework in the classroom. 栏目索引学句型写易 2.However, not all people know noise is also a kind of pollution and is harmful to humans health.然而然而,并不是所有的人都知道噪音也是一种污染并不是所有的人都知道噪音也是一种污染,并且也对并且也对 人类的健康有害。人类的健康有害。(P31) 句型结构“not all+复数名词”并非所有的 句型应用 并非所有的学生都喜欢看电视。 Not all students like watching TV.