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【判断题】
因为K2CrO4指示剂在酸性溶液中不稳定,所以铬酸钾指示剂法必须在强碱性溶液中测定Cl-的含量。
A.
正确
B.
错误
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it
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the place
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the place that
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【单选题】When was it ______ you met Yao Ming in the street?
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as
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if
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while
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【简答题】你是如何理解采购工作的？采购工作应该怎么进行？
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【单选题】When was it you met him in the library?
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in which
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【单选题】当老李的Pa O 2 2 <55mmHg,Sa O 2 2 <85%时,氧疗护理措施正确的是
A.
高压氧舱
B.
高浓度间断吸氧
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低浓度持续吸氧
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高浓度持续吸氧
E.
低浓度间断吸氧
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【判断题】当前中国的家庭关系中,夫妻关系已经全部占据优势地位。()
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正确
B.
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【单选题】假如你购买了一辆日本原装丰田汽车,花了30万人民币,该经济行为对GDP的影响有( )。
A.
消费减少30万，出口增加30万，对GDP无影响
B.
消费增加30万，进口增加30万，对GDP无影响
C.
消费增加30万，GDP增加30万
D.
进口增加30万，GDP减少30万
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【单选题】When was it you met him in the library?
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where
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that
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in which
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which
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【单选题】_____ warm at night, I would fill the wood stove, then set my alarm clock for midnight so that I could refill it.
A.
Staying
B.
Stayed
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To stay
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Stay
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【单选题】When was it you met him in the library?
A.
as
B.
that
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if.
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【单选题】假如你购买了一辆日本原装丰田汽车,花了30万人民币,该经济行为对GDP的影响有( )。
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【单选题】_____ warm at night, I would fill the wood stove, then set my alarm clock for midnight so that I could refill it.
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【单选题】When was it you met him in the library?
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