外研版英语八年级上册Module 8 Unit 1 While the lights were changing to red...教材重要知识点梳理

Module 8 Accidents Unit 1 While the lights were changing to red, a car suddenly appeared. 1.on的用法 作为介词，意为“通过；使用；借助于等”，其后常接TV,radio,bike,phone等。 The driver was talking on the phone when an old man suddenly crossed the road. 当时司机正在打电话，突然一个老人横穿马路。 2.wait的用法 (1)作为动词，意为“等待”。 其常见用法如下： ①wait to do sth. “等候做某事” Look!Some people are waiting to have lunch. 看！很多人在等候去吃饭。 ②can’t wait to do sth. “迫不及待去做某事” I can’t wait to visit my grandparents in the countryside. 我迫不及待地要去看望乡下的爷爷和奶奶。 ③wait for sb./sth. “等待某人/某物” My father always waits for me at the school gate every day. 我爸爸每天总是在校门口等我。 ④wait a moment/minute “等一会儿” Wait a minute.I’m coming.等我一会儿，我就来。 （2）名言警句： Time and tide wait for no man.时不我待/时不待我。 3.appear的用法 （1）作为不及物动词，意为“出现；显露”，其反义词为disappear，意为“消失”。 A snake suddenly appeared in front of the farmer and bit him. 一条蛇突然出现在农民面前，咬了他。 （2）作为连系动词，意为“似乎；好像”，其后接形容词作表语。 It appears a true story.这个故事似乎是真的。 4.round的用法 （1）作为介词，意为“转到（某物的）另一边；围绕”，相当于around。 I saw a man disappear round t