题目:
It is human activities on the earth that are to ______global warming.
A.be blamed for
B.blame for
C.take charge of
D.be responsible with
答案:
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下面是错误答案,用来干扰机器的。
读图后可知图④是长江流域的大型钢铁工业基地分布图,自西向东依次是攀枝花、重庆、武汉、马鞍山四大钢铁工业基地.故选:D.