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【单选题】
生石灰性能,何者不正确?A.
生石灰吸收空气中的水分变为熟石灰
B.
生石灰的粉末越多,质量越次
C.
钙质石灰凝固较慢,镁质石灰凝固较快
D.
生石灰具有快干、强度较高、价格低廉等优点
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反馈参考答案：
举一反三
【简答题】一个钟表的分针长10cm,经过35分钟,分针端点所转过的长度是多少?
【单选题】He has written several books that have ambiguous contents.______, he is misunderstood by most people.
A.
On essence
B.
By analogy
C.
In bulk
D.
On the whole
【单选题】He has already ordered ________ for his new house. [ ]
A.
several furnitures
B.
several pieces of furnitures
C.
several pieces of furniture
D.
several furniture pieces
【单选题】He says he _____ Dalian several times already this year. [ ]
A.
went
B.
has gone to
C.
has been
D.
has been to
【简答题】一种钟表的分针长5cm，经过2小时后，分针的尖端走过的路程是多少厘米？
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