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【单选题】
哪种维生素的前身由绿色植物合成A.
维生素A
B.
生物素
C.
尼克酸
D.
维生素D
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B.
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D.
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A.
obscure
B.
mystify
C.
distinguish
D.
jeopardize
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A.
贰零壹叁年零柒月壹拾伍日大
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A.
cover
B.
encapsulation
C.
jacket
D.
shell
【单选题】某票据的出票日期为“2013年7月15日”,其规范写法是
A.
贰零壹叁年零柒月壹拾伍日
B.
贰零壹叁年零月壹拾伍日
C.
贰零壹叁年零柒月拾伍日
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A.
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B.
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ruined
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A.
make bets
B.
make the bet
C.
make a bets
D.
make bet
【单选题】The senator agreed that his support of the measure would jeopardize his chances for reelection.
A.
benefit
B.
endanger
C.
hinder
D.
disturb
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【单选题】某票据的出票日期为2013年7月15日”,其规范写法是(2014年)
A.
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