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【单选题】
由于弱酸弱碱的相互滴定不会出现突跃,也就不能用指示剂确定终点,因此再酸碱滴定法中,配制标准溶液必须用( )A.
强酸或者强碱
B.
弱酸或者弱碱
C.
强碱弱酸盐
D.
强酸弱碱盐
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【简答题】Paraphrase the following sentence: "It would certify that he had specialized in pharmacy, but it would further certify that he had been exposed to some of the ideas mankind has generated within its hi...
【单选题】Paraphrase: Choosethe choice that best explains the meaning of the original sentence.It would be difficult to overpraise this book.
A.
This is a difficult book.
B.
It is difficult not to overpraise this book.
C.
This book deserves much praise.
D.
It is difficult to praise this book.
【简答题】Paraphrase That would settle it; but conversation does not need to be settled; it could still go ignorantly on.
【单选题】Headaches are never associated with dizziness and weakness in a limb or limbs.
A.
Right
B.
Wrong
C.
Not mentioned
【多选题】下列哪些是污染物质量排放标准（ ）
A.
《大气污染物综合排放标准》
B.
《摩托车排气污染物排放限值及测量方法（工况法）》
C.
《工业企业厂界环境噪声排放标准 》
D.
《空气质量 氮氧化物标准样品》
【简答题】Paraphrase: It would certify that he had specialized in pharmacy, but it would further certify that he had been exposed to some of the ideas mankind has generated within its history.
【单选题】Paraphrase : Choose the choice that best explains the meaning of the original sentence. It would be difficult to overpraise this book.
A.
This is a difficult book.
B.
It is difficult to praise this book.
C.
It is difficult not to overpraise this book.
D.
This book deserves much praise.
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