（） pollution control measures are expensive, local governments hesitate to adopt them. A.Although

（） pollution control measures are expensive, local governments hesitate to adopt them. A.Although

B.However

C.Because

D.Moreover答案：C难度：1知识点：词汇与结构部分\辅导书\书A\词法A

A.Although

B.However

C.Because

D.Moreover

正确答案：C

解析:词汇与结构部分\辅导书\书A\词法A

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