2014必威体育精装版外研版 9年级上 Module5.pptx

Unit 1 Don’t cross that rope.;compare?to与compare?with的区别? ■compare...with...把……和……比较(同类相比，比较)? compare...to...把……比作……(异类相比，比喻)? ①Lets?compare?this?article?with?that?one.? 让我们把这篇文章和那篇文章作一下比较。 ②The?heart?is?often?compared?to?a?pump.?心脏常被比作水泵.?? ■compare的过去分词短语作状语时,?不管同类or异类,?? compared?with和compared?to都可以用。例：?Compared?with/to?western?countries,?China?uses?materials?very?carefully.?和西方相比,中国使用物资很节省。???;ⅰ“继续做某事/反复做某事”可互换 keep on 更强调时间间隔性/动作反复性/sb做sth的决心 I kept on working until midnight though he was tied. The boy kept /kept on asking some silly questions in class.  ⅱ表一连续不断的动作/某一动作的持续状态只keep doing . She kept waving to her husband until he was out of sight. They kept standing outside the room during all the meeting. Keep lying here; I will be back soon. Ⅲ表将来继续做某事，只用keep on doing 。 We must keep on working hard in the coming new year. He kept on smoking though we advised him to stop to smoke.