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【单选题】
小儿最易发生意外的年龄为A.
新生儿期
B.
幼儿期
C.
婴儿期
D.
学龄前期
E.
学龄期
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反馈参考答案：
举一反三
【单选题】Emi: Kate isn't coming with us.
A.
Ana: Why not? __________ she come?
B.
Why isn't
C.
Why can't
【简答题】Why isn’t trade among countries like a with some winners and some losers?
【简答题】Why isn’t trade among countries like a with some winners and some losers?
【单选题】使用搅拌机时,下列那项不正确? ( )
A.
搅拌缸先架稳方可开机
B.
调整搅拌速度由低速、中速、高速三者依顺序调整
C.
每次调整速度，应直接扭转开关，不必关机
D.
搅动时应避免双手放于缸內，以免发生危险
【单选题】I didn't know _____ yesterday. [ ]
A.
why isn't Danny in school
B.
why wasn't Danny in school
C.
why Danny isn't in school
D.
why Danny wasn't in school
【简答题】石灰桩成桩时可采用( )、( )、( )、( )等工艺。
【单选题】Emi: Kate isn't coming with us. Ana: Why not? ______ she come?
A.
why doesn’t
B.
why isn’t
C.
why can’t
【简答题】Emi: Kate isn't coming with us. Ana: Why not?
______ she come?A. why doesn’t B. why isn’t C. why can’t
相关题目：
【单选题】Emi: Kate isn't coming with us.
A.
Ana: Why not? __________ she come?
B.
Why isn't
C.
Why can't
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