◆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

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