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英语复习知识点概要blow和block blow ①用作动词，表示“吹风，刮风”。如： blow hard(strongly)风刮得很大；blow away the leaves吹走树叶；blow down(over)trees 把树刮倒；blow in much dust吹进灰尘；blow off one’s hat吹掉帽子；blow out the candle吹灭蜡烛；blow open(风吹)开；blow up爆炸 ②用作名词，表示“打击，一击”。如：be a great blow to sb.对某人是个巨大的打击；give sb.a heavy blow on the head重重地打某人的头。 【应用】完成句子 ①他妻子之死对他是一大打击。His wife’s death was _______ _________ ________ ______him. ②我那顶帽子被风吹掉了。I _______my hat __________ ___________. ③风刮得厉害，门吹开了。The wind was ________ __________ and the door ________. ④战士们把敌人的大桥炸毁了。The soldiers __________ __________the enemy’s bridge. Key:①a ,great, blow, to ②had, blown, off③blowing, hard, blew, open ④blew, up 新概念英语网课 新概念英语听力 新概念英语音频 block ①用作名词，意为“块；街区；阻塞。”如： a block of ice/stone/wood 一大块冰/石头/木头；two blocks两个街区；a block in traffic/a traffic block交通堵塞。 ②用作动词，表示“阻塞，阻拦”。如： be blocked by the heavy snow被大雪堵塞，block the entrance 堵塞入口；Block!(路标)此路不通！ 【应用】完成句子 ①道路被人群挤得水泄不通。The road_______ _______with crowds of people. ②那家旅馆同这里隔着两条街。The hotel is __________ _________ __________. ③他们用石块将洞口堵住。They ________ (up)the entrance to the cave with big rocks. ④有人在妨碍我们实施计划。Someone is _________our plan. Key:①was, blocked ②two, blocks,away③blocked ④blocking 倍数的表示法 1）…times as…as“……是……的几倍”； Asia is four times as large as Europe.亚洲的大小是欧洲的4倍。 2）…times +形容词/副词比较级+that: The new building is four times higher than the old one.新楼比旧楼高4倍。 3）…times+the size/height/length/depth+of… The earth is 49 times the size of the moon.地球是月亮大小的49倍。 The ball is twice the width of our classroom.舞厅是我们教室宽度的2倍。 4）…times+what从句： The production now is three times what it was ten years ago.现在的生产是10年前的3倍。 [应用]选择正确答案 ①After the new technique was introduced,the factory produced_____tractors in 1988 as the year before.(MET’90) A．as twice many B.as many twiceC.twice as many D.twice many as ②The p opulation of China is_____than that of America. A.larger five times B.five times larger C.five times as D.as five times Key:①C ②B begin(…)with…从……开始（…） ①Knowledge begins with practice.知识来自实践。 ②Let’s begin(this unit) with the words and expressions.咱们从单词和短语开始学（这个单元）。 
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