Warm up& Lesson 1
2. choose, select, pick
choose 任意选择，（尤其是两者之间）choose.....from ....从....中选择select 仔细考虑选择（强调多者间鉴别） pick 口语化选择（不涉及愿意与鉴别）
3. as many as ( + 数词+可数名词复数)，“多达.....”类似的还有：as much as 多达，as far as 远达，as high as 高达 The great fire burned down as many as twenty buildings.
as much as + 数词 + 可数名词复数，表示金钱、距离、时间、重量、水量、热量等各方面的程度或数量，也表多达Most of the stones weigh as much as 15 tons.
as much as 还可以用来修饰动词，而as many as 则不能。 You can eat as much as you can
4 get (sb.) into trouble(使某人) 陷入麻烦之中
be in trouble处于困境中，有麻烦
ask for trouble自找麻烦
take the trouble to do sth.尽力做某事there be / have trouble (in ) doing sth.做某事有困难
5 follow v. 跟随，跟在后，沿着....走，明白，领会；听从，服从
as follows如下 The results are as follows.结果如下 follow around/ about到处跟随
follow through坚持到底，执行 follow up跟进，采取后续行动
1 用signal,sign,symbol, mark , symptom 填空
1) Dark clouds are usually a _____ of rain.
2) A red light is usually a ___ of danger.
3) The cross is the_____ of Christianity.
4) Cigarettes can aggravate ( 使严重) the _____ ofa cold.
5) I put a ____ in the margin . ( 页边空白) to remind me to check the figure.
2. 1） matter
(1) 要紧，重要，有关系 matter通常用于疑问句或否定句中。
(2) n．[C]事情，问题It is a matter of life-and-death for them.
◆as a matter of fact =in fact实际上，事实上a matter of???的问题
必修 3Unit 7- 1 -
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