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【单选题】
有效酸度是指A.
用酸度计测出的 pH 值
B.
被测溶液中氢离子总浓度
C.
挥发酸和不挥发酸的总和
D.
样品中未离解的酸和已离解的酸的总和
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举一反三
【简答题】被测电压的实际值为10V,现有150V,0.5级和15V,2.5级两只电压表,选择哪一只表误差较小?
【单选题】The predominant preoccupation of literary works in the Victorian Age is _________ and ____________.
A.
commone sense, moral propriety
B.
social unrest, religious tolerance
C.
democracy, equality
D.
freedom, fraternity
【单选题】The leading and dominant literary genre in the Victorian Age is __________.
A.
poem
B.
essay
C.
novel
D.
drama
【单选题】Which of the following facts is NOT true for the Victorian Age?
A.
The emergence of locomotives.
B.
The publication of Origin of Species.
C.
The birth of Fabian Society.
D.
The outbreak of Seven Years’ War.
【简答题】被测电压的实际值为 10V ,现有 150V , 0.5 级和 15V , 2.5 级两种电压表,问选择哪一电压表误差较小?
【单选题】The Victorian Age is the age of ______.
A.
romanticism
B.
realism
C.
neoclassicism
D.
modernism
【单选题】The Victorian Age is most famous for its ________.
A.
plays
B.
essays
C.
novels
D.
poems
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