药品类易制毒化学品,是指《易制毒化学品管理条例》中所确定的()。
A. 麦角酸
B. 麦角胺
C. 麦角新碱
D. 伪麻黄素
E. 阿托品
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It's so dark. I can't find out _______ it's a boy _______ a girl.
A. if, and
B. that, and
C. either, or
D. whether, or
Could you tell me if he _______ to Shanghai?
A. has gone
B. had gone
C. went
D. go
He told me _______ she would catch the early bus.
A. which
B. whether
C. why
D. that
Mrs. Green asked me _______ I would go with her.
A. what
B. which
C. why
D. that