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【单选题】
喝茶影响抗心律失常药物的效用，其主要原因是此类药物拮抗茶中的A.
钙
B.
茶碱
C.
鞣酸
D.
镁或铝
E.
咖啡因
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举一反三
【单选题】Which of the following sentences is NOT an elliptical sentence(省略句)?
A.
Our teacher came in, book in hand.
B.
These are Tom's books and those are Lily's.
C.
You shouldn't come here unless invited.
D.
The way that you answered this question was admirable.
【简答题】( ) 分析是对项目所在国家和地区的整体经济发展状况,以及项目所处行业(产业)和相关行业(产业)的发展状况分析。
【单选题】Our teacher came in the classroom so we stopped _____ and _____ what the teacher said.
A.
talking; heard
B.
to talk; listened to
C.
to talk; heard
D.
talking; listened to
【单选题】We were copying the new words ________ our teacher came in. [ ]
A.
while
B.
as
C.
when
D.
unless
【单选题】While we______ with the president, our English teacher came in.
A.
are talking
B.
were talking
C.
would talk
D.
have talked
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