大学英语大学英语大学英语四级(CET4)2001年1月大学英语四级(CET-4)真题试卷
题目内容

Why were cracks in old houses not a big concern、

2024-07-09

A.Because indoor cleanliness was not emphasized.

B.Because energy used to be inexpensive.

C.Because environmental protection was given top priority.

D.B.Because energy used to be inexpensiv

E.C.Because environmental protection was given top priority.D.Because they were technically unavoidable.

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