典型句式 新知1 But when I tried to step forward, I found I was carried twice as far as on the earth and fell over. (Page 31) 但是当我向前迈步的时候，我发现比在地球上迈出的距离远两倍，并且摔倒在地。 归纳拓展 倍数加在as...as之前 倍数加在more than之前 倍数加在the+名词之前 背诵例句 This room is three times as big as mine. 这个房间是我那个房间的三倍。 My scores are three times as many as yours.

　　我的分数是你的三倍。 动手练习 (1) His farm is_______ (两倍)as large as mine. (2) The new building is four times_______ (高)than

　　the old one. (3) The new park is __________of the old one.

　　A. three times the size

　　B. the three times size

　　C. the size three times

　　D. three the size times (4)新大厅是旧大厅的两倍大。(汉译英)

　　_________________________________________ The new hall is twice as large as the old one.

　　twice higher A

　　高考链接 Ten years ago the population of our village was __________that of theirs. A. as twice large as

　　B.

　　twice as large as C. twice as much as D. as twice much as

　　【答案】B 【解析】此题考查形容词比较级。此题有两个考点，一是population用large或small修饰，不用much;二是表示倍数的twice要放在as...as之前。 新知2 “Oh, dear,” I cried, “walking does need a bit of practice now that gravity has changed. ” (Page 31)“啊呀，”我喊道，“既然地心引力已经改变，走路确实需要一点训练。”

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