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【单选题】
伤寒致病的重要因素是A.
内毒素
B.
外毒素
C.
肠毒素
D.
细胞毒素
E.
神经毒素
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举一反三
【简答题】完形填空。 Look at this picture. This is a photo 1 my family. There are 2 people in the picture. They are my 3 , my mother, my brother, my sister and me. My father 4 very happy every day. My mother is near...
【单选题】America's first lady of software Four such a wealthy couple, Pam Lopker and husband Karl live in (29) style. They have a house overlooking the ocean in California, a nanny and a cleaning lady who come...
A.
tense
B.
tired
C.
modest
【单选题】Every boy and every girl as well as some teachers______who ______ to visit the museum required to be at the bus station at 6:30 a.m..
A.
are ; is
B.
are; are
C.
is ; are
D.
is; is
【简答题】资本创造利润(利息)、土地产生地租、劳动获得工资。
【简答题】常用的筑路机械有哪些
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