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【单选题】
取20．00 mL待测盐酸放入锥形瓶中，并滴加2～3滴酚酞作指示剂，用自己配制的标准液NaOH溶液进行滴定，在上述实验中，下列操作(其他操作正确)会造成测定结果偏高的有_____。
A.
滴定终点读数时俯视读数
B.
酸式滴定管使用前，水洗后未用待测盐酸、润洗
C.
锥形瓶水洗后未干燥
D.
碱式滴定管尖嘴部分有气泡，滴定后消失
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【单选题】和谐内5型内燃机车的燃油箱为钢板焊接结构,有效容积()
A.
9000L
B.
12000L
C.
8000L
D.
7000L
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【单选题】《商业模式新生代》中的商业模式画布是的9个基本要素中不包括()。
A.
价值主张
B.
客户关系
C.
供应链
D.
渠道通路
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【单选题】You want to balance that out with some riskier investments that may bring higher returns, such as stocks. Bala nce means the same as in sentence ________________ .
A.
The maid lost her balance at the toppled over .
B.
W eigh the butter on the balance.
C.
It is necessary to learn the skill of balancing income and expenses n o matter what your financial situation .
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【单选题】If you feel tired out and unable to think clearly,that is________you have to get a rest. [     ]
A.
why
B.
when
C.
whether
D.
what
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【简答题】a state of being unable to think clearly
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【简答题】__________ a state of being unable to think clearly
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【简答题】unable to think clearly
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【简答题】In what sense is the average human being unable to ‘think’?
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【单选题】《商业模式新生代》中的商业模式画布中的9个基本要素中不包括()。
A.
价值主张
B.
客户关系
C.
供应链
D.
渠道通路
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【单选题】The author seems to believe that ___________
A.
romantic love makes people unable to think clearly in the process of mate selection
B.
only romantic love can make a marriage happy ever after
C.
much more practical considerations can also be the basis for a successful marriage
D.
romantic love plays an insignificant role in maintaining the institution of the nuclear family.
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【单选题】和谐内5型内燃机车的燃油箱为钢板焊接结构,有效容积()
A.
9000L
B.
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【单选题】《商业模式新生代》中的商业模式画布是的9个基本要素中不包括()。
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【单选题】You want to balance that out with some riskier investments that may bring higher returns, such as stocks. Bala nce means the same as in sentence ________________ .
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B.
W eigh the butter on the balance.
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【单选题】If you feel tired out and unable to think clearly,that is________you have to get a rest. [     ]
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【简答题】a state of being unable to think clearly
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【简答题】In what sense is the average human being unable to ‘think’?
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【单选题】《商业模式新生代》中的商业模式画布中的9个基本要素中不包括()。
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【单选题】The author seems to believe that ___________
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romantic love makes people unable to think clearly in the process of mate selection
B.
only romantic love can make a marriage happy ever after
C.
much more practical considerations can also be the basis for a successful marriage
D.
romantic love plays an insignificant role in maintaining the institution of the nuclear family.
查看完整题目与答案