47 What can we infer about the missing craters? 

(A)They never left any impact on Earth. 

(B)They  have not been completely eroded. 

(C)They were far more than the surviving ones. 

(D)They  were hit by more than one asteroid.

答案：登入後查看
統計： A(26), B(112), C(201), D(125), E(0) #1402515

詳解 (共 4 筆)

#2159772
Earth’s crust formed...
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原本題目:請依下文回答第 44 題至第 ...
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請阿摩修改題目為

47 What can we infer about the missing craters? 
(A)They never left any impact on Earth.  
(B)They have not been completely eroded. 

(C)They were far more than the surviving ones.
(D)They were hit by more than one asteroid.


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