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【单选题】
下列( )不抑制细菌细胞壁肽聚糖的合成过程A.
万古霉素
B.
青霉素
C.
杆菌肽
D.
链霉素
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举一反三
【简答题】阅读理解。 A hobby is not a job or a school subject. A hobby is something you enjoy doing in your spare time. It's not something you need to do. It's just fun. Some people make model ships, keep pets, p...
【简答题】By the end of this year, Mr. Brown ______ (be) here for twenty years.
【单选题】中国现代快递服务的发展历程是（）（描述错误的是）
A.
20世纪60年代末至70年代初：萌芽阶段
B.
20世纪70年代末至90年代初：起步阶段
C.
20世纪90年代初至21世纪初：成长阶段
D.
21世纪初至今：快速发展阶段
【单选题】When they went into the shop and asked to look at the engagement rings, the girl brought out the cheapest ones, ______ she had arranged with James.
A.
those were what
B.
what was what
C.
which was what
D.
in which
【单选题】The poor girl went on for another ten miles on an _________ stomach.
A.
empty
B.
bare
C.
vain
D.
hollow
【单选题】The poor girl went on for another ten miles on an _______ stomach.
A.
vain
B.
empty
C.
hollow
D.
bare
【简答题】For what did Peter thank Mr. smith at the end of the letter? For ______.
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