解题思路:很显然这是一道考形容词比较级的题目,从句子结构和选题A可以判断smart是个形容词原级,因此可以断定C的形式错了。B是最高级,但句中只有两个人Mary 和Jane,因此正确答案只能是D,这是一个较特殊的比较级句型,即the + 形容词比较级 + of 。
比较级的主要句型:
原级比较:as +形容词或副词原级+ as, 否定式:not so +形容词或副词原级+ as
注意问题:asas 之间的形容词或副词是否采用了原级;asas 之间该用形容词还是副词;用as much as 还是用as many as
表示倍数时用下面结构, 如3倍:three times as as
例如:
The size of the island is about ______ that of this one.
A.three times as much as B.as three times much as
C.as three times greater than D.three times as big as
解题思路:B、C违反了上述句型规定,A、D的区别是size是与much搭配还是与big搭配,D是对的。
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