Book3 Unit4 Period2

学习目标：1.熟记和使用本节词组或句型 2. 拓展所列相关短语

自主合作探究：

1．The earth became so_violent_that it was not clear whether the shape would last or not.(P25)

　　地球(开始)变得激烈动荡，不知道这个固体形状是否会继续存在下去。

句子中的that引导的是结果状语从句，和so构成固定搭配：so...that...。

There is so little water in the bottle that the crow can't drink it.

　瓶里的水太少了以至于乌鸦喝不到。

It's such bad weather that we can't go out. 天气太糟了，我们不能出去。

归纳拓展：

回顾"如此......以至于......"的句型结构：

so＋___________________________ such＋______________________________

小试牛刀：

①She is so beautiful a girl that all the boys of our class like her.

　＝She is so ___ that all the boys of our class like her.

②她是一个如此好心的女孩，以至于她会帮助你。

　She is such __ ____ _ that she can help you.

2．in time及时，终于

They were in time to produce carbon，nitrogen，water vapour and other gases，which were to make the earth's atmosphere.(P25)

　最终它们产生了碳、 氮气、水蒸气和其他气体，从而形成了地球的大气层。

　If you have questions，you'd better solve them in time.

　译：

归纳拓展：

on time准时；按时 at a time一次；每次 at one time曾经；一度；同时

　at times有时；偶尔 at no time决不 in no time马上；立刻

小试牛刀： 用time短语填空

①I feel him a little stubborn___________ _.

②William arrived at the theatre just_________ ___for the play was to be on.

③Hurry up！The concert will begin________ ___.