皮皮学，免费搜题
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【单选题】
用邻苯二甲酸氢钾作为标定高氯酸的基准物,根据非水滴定的特点,在标定前估算邻苯二甲酸氢钾的称量范围,是以消耗高氯酸的体积多少作为依据A.
20~25ml
B.
10~25ml
C.
8~ 10ml
D.
5~10ml
E.
10~ 15ml
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反馈参考答案：
举一反三
【单选题】We can infer from the passage that when traveling by air, the writer spends most of her time on the way ______.
A.
reading books
B.
resting herself
C.
imagining things
D.
letting her spirit soar
【单选题】She spends most time on work and ______watches television.
A.
always
B.
rare
C.
often
D.
rarely
【简答题】激活属性窗口使用的键是（）
【单选题】He spends most of his spare time ________English.
A.
to study
B.
on study
C.
on studying
D.
studying
【单选题】The artist spends most of his spare time ___ butterfly specimens.
A.
collect
B.
collects
C.
to collect
D.
collecting
相关题目：
【单选题】She spends most time on work and ______watches television.
A.
always
B.
rare
C.
often
D.
rarely
参考解析：
知识点：
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