2．put down 放下

　　3．hold out 伸出

　　4．come up to 朝......走过来

　　5．turn away 走开

　　6．(be) invisible to 对......看不见的/无形的

　　7．on end 竖起；连续不断地

　　8．sweep over 向......扩展

　　9．keep one's eyes on 注视，盯着看

　　10．fix on 注视，凝视

　　11．cast about 寻找，搜索，想办法

　　12．look around for 四处寻找

　　Ⅳ.选词填空

　　选用上述短语的适当形式填空

　　1．John, put down your cellphone and help your mother with the housework.

　　2．She came up to me and asked whether I would like to go shopping with her.

　　3．The young worker stood there, with attention fixed on the notice on the wall.

　　4．We should hold out the hand of friendship and cooperation to them.

　　5．Why do we need to keep calm and not turn away when we see a snake?

　　6．Her luggage was very heavy, so she looked around for a porter to give her a hand.

sweep＋prep./adv.→动词短语 on＋n.→介词短语 sweep over向......扩展

sweep away消灭，扫除

sweep up打扫 on end竖起；连续不断地

on duty值日，值班

on fire着火 　　Ⅴ.经典句式仿写

　　1．Then she leapt backwards, back arched and fur on end, tail held out stiffly.然后它向后一跃，脊背拱起，毛发竖立，尾巴僵直地伸着。

　　[记句式结构]独立主格结构。

　　[仿写促落实]由于眼镜摔坏了，她看不见黑板上的字。

　　Her glasses broken, she couldn't see the words on the blackboard.

2．It looked as if someone had cut a patch out of the air, about two metres from the edge of the road, a patch roughly square in shape and less than a metre across.