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【单选题】
目前国内统一的围生期的时间范围是A.
妊娠满20产后1
B.
妊娠满28产后2
C.
妊娠满28产后1
D.
妊娠满28产后2
E.
妊娠满28产后4
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举一反三
【单选题】Anyone wishing to enter the country ________ apply for a visa first. It’s illegal not to.
A.
must
B.
mustn't
C.
should
D.
should not
【单选题】溶液中氢离子浓度以pH来表示,可采用下列哪种表达式?( )
A.
log 10 [H+]
B.
–log 10 [H+]
C.
log e [H+]
D.
–log e [H+]
E.
以上都不是
【单选题】anyone wishing to enter the country ___________ apply for a visa first. It’s illegal not to.
A.
must
B.
mustn’t
C.
should
D.
should not
【单选题】If the government guaranteed that anyone wishing a job would be provided one, the likely result would be______.
A.
massive layoffs
B.
an increase in the money supply
C.
an increase in inflationary expectations
D.
the development of a barter system
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