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【单选题】
《中国药典》规定,测定维生素K 1 的含量方法是()
A.
三点校正的紫外分光光度法
B.
气相色谱法
C.
高效液相色谱法
D.
碘量法
E.
紫外分光光度法
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【单选题】听力原文: Russian commandos have stormed a hijacked bus in the southern Tajikistan Republic and freed all 18 hostages aboard. Security officials say the two gunmen who had held the bus for 8 hours were ar...
A.
18.
B.
2.
C.
8.
D.
1.
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【单选题】It is high time we ___ off.
A.
are
B.
were
C.
be
D.
will be
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【简答题】在长光路系统中,往往利用()达到前后系统的光瞳衔接,以减小光学零件的口径。
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【单选题】It is high time we ______.
A.
leave
B.
left
C.
will leave
D.
have left
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【单选题】It is high time we ______ this practice.
A.
stop
B.
stopped
C.
have stopped
D.
had stopped
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【单选题】在长光路系统中,往往利用()达到前后系统的光瞳衔接,以减小光学零件的口径。
A.
棱镜
B.
凸透镜
C.
场镜
D.
凹透镜
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【单选题】紫外-可见光谱法 检验 一氧化碳 中毒 检材 时, 氧合血红蛋白吸收峰分别 什么范围出现 ( )
A.
576.2 nm 和 542 nm
B.
538 nm
C.
568.2 nm 和538 nm
D.
555 nm
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【单选题】It is high time we
A.
eave
B.
left
C.
will leave
D.
have left
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【简答题】It is high time we ______ (start) to pay attention to such mistakes.
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【单选题】____________________ is the first extant work on dramatic theory.
A.
The Republi
B.
Mimesi
C.
Poetics
D.
Dithyramb
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相关题目:
【单选题】听力原文: Russian commandos have stormed a hijacked bus in the southern Tajikistan Republic and freed all 18 hostages aboard. Security officials say the two gunmen who had held the bus for 8 hours were ar...
A.
18.
B.
2.
C.
8.
D.
1.
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【单选题】It is high time we ___ off.
A.
are
B.
were
C.
be
D.
will be
查看完整题目与答案
【简答题】在长光路系统中,往往利用()达到前后系统的光瞳衔接,以减小光学零件的口径。
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【单选题】It is high time we ______.
A.
leave
B.
left
C.
will leave
D.
have left
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【单选题】It is high time we ______ this practice.
A.
stop
B.
stopped
C.
have stopped
D.
had stopped
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【单选题】在长光路系统中,往往利用()达到前后系统的光瞳衔接,以减小光学零件的口径。
A.
棱镜
B.
凸透镜
C.
场镜
D.
凹透镜
查看完整题目与答案
【单选题】紫外-可见光谱法 检验 一氧化碳 中毒 检材 时, 氧合血红蛋白吸收峰分别 什么范围出现 ( )
A.
576.2 nm 和 542 nm
B.
538 nm
C.
568.2 nm 和538 nm
D.
555 nm
查看完整题目与答案
【单选题】It is high time we
A.
eave
B.
left
C.
will leave
D.
have left
查看完整题目与答案
【简答题】It is high time we ______ (start) to pay attention to such mistakes.
查看完整题目与答案
【单选题】____________________ is the first extant work on dramatic theory.
A.
The Republi
B.
Mimesi
C.
Poetics
D.
Dithyramb
查看完整题目与答案
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