题目内容：
The earth isthe moon.
A.as 49 times big
as
B.49 times as bigger as
C.49 times as big
as
D.as big as 49 times
参考答案：
选择题：The earth isthe moon.A.as 49 times bigasB.49 times
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- 题目类型：选择题
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the moon.
A.as 49 times big
as
B.49 times as bigger as
C.49 times as big
as
D.as big as 49 times