H1受体拮抗剂主要有哪些结构类型？(至少写出三类)
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The goals _____ he had fought all his life no longer seemed important to him.
A. for that
B. for which
C. for what
D. of them
具有地方特色的选题，解决的只是当地的特殊问题，所以没有什么意义。()
A. 正确
B. 错误
Walking along the river, he heard someone _____ for help.
A. shouting
B. shout
C. shouted
D. having shouted
Those were the soldiers _____ to save the town.
A. whose responsibility was
B. in whom there was a responsibility
C. whose was the responsibility
D. from whom the responsibility
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