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【单选题】
在氧化还原滴定法中,对于1 : 1类型的反应,一般氧化剂和还原剂标准电位的差值至少应( )V才可用氧化还原指示剂指示滴定终点。A.
大于0.2
B.
为0.2-0.4
C.
大于0.4
D.
大于0. 6
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反馈参考答案：
举一反三
【单选题】If we _____ nothing, there _____ fewer and fewer tigers in the world. [ ]
A.
will do; will be
B.
do; will be
C.
don't do; will be
D.
do; will have
【简答题】完形填空。 One day, a boy was selling things from door to door, but he sold nothing. He had 1 money with him and was very hungry, so he wasted to ask for some 2 from someone. Then a beautiful woman opened ...
【单选题】Professor Bouvier most probably agrees that
A.
insects' reasoning power has nothing to do with intelligence.
B.
wasps can only behave in an instinctive manner.
C.
wasps are different from other winged creatures.
D.
the issue of insects' intelligence need further research.
【简答题】An expression meaning from nothing at all. (Para 9)
【多选题】在下列各项损失中,不属于废品损失的项目是( )。
A.
产品入库后发现的生产中发生的废品的损失
B.
产品入库后发现的由于保管不当发生的损失
C.
出售后发现的废品由于包退发生的损失
D.
出售后发现的废品由于包修发生的损失
E.
降价出售的不合格品的降价损失
【单选题】A fool has gained nothing from the time _____, for he _____ nothing. [ ]
A.
passing; has paid
B.
passed; has been paid
C.
passing; has been paid
D.
passed; has paid
【简答题】Nothing shall _________ us from doing what we think right. Aprefer Btriple Ccrave Ddeter
【简答题】Nothing whatsoever can pr us from (carry) ______ out this plan.
【单选题】He is such a strong-willed person that there is nothing in the world that can _____ him.
A.
defeat
B.
win
C.
rescue
D.
attack
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