题目内容
On the moon things aren't ______ they are on the earth (地球).
[ ]
A. as heavy as B. as heavier as
C. as heavy than D. heavy than
答案：A
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题目内容
On the moon things aren't ______ they are on the earth (地球).
[ ]
A. as heavy as B. as heavier as
C. as heavy than D. heavy than
