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◆词语归纳 make a clear sweep of sth.把……一扫而光;把……彻底清除 sweep away 扫清,迅速消灭,肃清,冲走 sweep off 扫清; 吹走; 大量清除 sweep out 扫掉; 清除 sweep up 打扫干净,收拾干净,吹走; 席卷 ◆即学即练 根据括号内的汉语提示完成句子。 (1)Get a broom and _____________(打扫干净)the bits of paper and broken glasses on the floor, will you? (2)The snow storm _____________(横扫)half of the country and caused millions of loss. (3)Many bridges _____________(冲断了)by the flood. 答案：(1)sweep up (2)swept (3)were swept away 7.Then Wang Ping flashed a switch on a computer screen, and a table and some chairs rose from under the floor as if by magic.(P18) 然后王平在电脑荧屏上闪了一下开关,于是一个桌子和几把椅子就像变魔术一样从地板下面升了起来。 阅读下列句子,注意flash 的搭配及意思。 Did you use flash when you took these pictures? (n.闪光,闪光灯)你拍这些照片时用闪光灯了吗? A driver is not supposed to flash his lights at the coming vehicles. (vt.闪光；闪烁)司机不该朝着迎面开来的车辆闪灯。 The disco lights were flashing on and off all night. 迪斯科舞厅的灯整夜闪个不停。 The idea flashed into his mind. (vi.思想等的闪现；掠过)这念头突然闪过他的脑海。 ◆词语归纳 a flash of lightning | 
