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【单选题】
下列化合物中不能与格氏试剂反应的是:A.
二氧化碳
B.
乙醛
C.
乙醚
D.
环氧乙烷
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举一反三
【单选题】Bikes ______ in the 1880s and they ______ traveling around.
A.
were invented; were used as
B.
were invented; are used for
C.
was invented; was used for
D.
invented; are used to
【单选题】Old-fashioned phones matter when wireless networks _____ in disasters.
A.
turn down
B.
break down
C.
turn out
D.
break out
【单选题】If Cashier S's hourly wage were to increase by 10 percent and S's weekly hours were to decrease by 10 percent from last week's total hours, what would be the change, if any, in S's total weekly wage?
A.
An increase of $ 1.3
B.
An increase of $0.55
C.
No change
D.
A decrease of $0.55
E.
A decrease of $1.37
【简答题】中药鉴定的方法包括( )A. 来源鉴定 B、性状鉴定 C、显微鉴定 D、理化鉴定
【简答题】(Was, Were) the children tired?
【单选题】— Both David and his sister left school when they were only 11. — No wonder of them is poor –educated.
A.
either
B.
both
C.
neither
D.
none
【单选题】患者女性,58 岁,排便失禁多日。护理重点是
A.
鼓励患者多饮水
B.
给于患者高蛋白饮食
C.
观察患者排便时的心理反应
D.
保护臀部防止发生皮肤破溃
E.
观察记录粪便性质、颜色及量
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