2019春外研版高一英语必修四教案：MODULE 2 TRAFFIC JAM 课文难点解析 .doc

1、课文难点解析1. Simply raise your hand, and a taxi appears in no time. 只要你招招手,马上就会有一辆出租车开来。1) 本句是一个常用的基本句型,即: 祈使句+ and / or / or else / otherwise + 简单句, 其中祈使句表示条件,简单句表示结果;肯定含义用and,否定含义用or / or else / otherwise。如:Came one minute later, and the patient would be in danger. 再晚来一分钟,病人就会有危险.Hurry up, or you will

2、 be late. 快点,否则你会迟到的。Come earlier next time, otherwise you will be fired. 下次早点来,否则你会被开除的。2) 和time 搭配构成的常用短语in no time 立刻;马上 He got the car repaired in no time.at a time 一次 No one can do two things at a time.at one time 一度;曾经 At one time there were not many cars in the street.at times 有时;偶尔 At times

3、we go to the beach for the weekend.at the same time 同时;但是 He is not honest, at the same time, we cant deny he is clever.2. Its a good idea to avoid public transport during the rush hour. 明智的选择就是避开高峰期乘公交车。1) 本句是It作形式主语,不定式作真正主语。即: It + is + n. + to do sth. 如:It is my duty to finish the job on time. 按

4、时完成这项工作是我的职责。 用it作形式主语的句型还有: It is + adj. + for / of sb. + to do . 如:Its necessary for all of us to listen to the lecture. 我们所有人都去听报告是有必要的。2) avoid vt. 避免；避开。其后接动词时动词用-ing形式。如:To avoid being punished, youd better come earlier next time. 想避免惩罚，你最好早点来。He is lucky enough to avoid the accident. 他非常幸运，避开

5、了这次车祸。3. However, there is also a night bus service, provided by buses with a number in the 200s. 不过也有夜班车，编号在200300之间。 1) 句中的provided by buses with a number in the 200s为过去分词短语在句中作定语。相当于定语从句which is provided by buses with a number in the 200s. 如:The days, spent with you, gave me a deep impression. 和你

6、在一起度过的日子让我难忘。2) in the 200s 表示编号在200300之间。类似的用法还有: in the 1980s 在20世纪80年代(19801989); in ones twenties 在某人20多岁时 (2029)。4. Trains are fast and convenient, but rush hours can be terrible. 地铁快而方便，但在交通高峰期可能很糟糕。本句中的can 表示一时的特征,用于肯定句中意为 “可能会;有时会”。如:Though he is very clever, he can be very stupid sometimes. 尽管他很聪明，但有时可能很愚蠢。Harbin can be very hot in summer. 哈尔滨在夏天有时很热。