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【单选题】
若将一定质量的硝酸钾不饱和溶液变为饱和溶液，则：（ ）A.
溶液的质量一定变小
B.
溶液中溶质量分数一定变大
C.
溶液的质量一定变大
D.
溶液中溶质的质量分数可能不变
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举一反三
【单选题】It can be inferred that ______.
A.
Mrs. Lancaster will find a better paid job in the future
B.
the job of draughtswoman is very demanding
C.
the court may hear more stress-related cases
D.
the job of housing officer causes mental injuries
【单选题】Who paid the bills in their traditional marriage?
A.
Mrs. Smith made some money and paid the bills.
B.
Both of them earned the money and paid the bills.
C.
Mr. Smith worked and paid the bills.
D.
None of them earned the money and paid the bills.
【简答题】Monks paid Mrs Bumble_________ for the little gold locket of Agnes.
【单选题】对于反比例函数 y=- 3 x ，下列说法正确的是（ ）
A.
它的图象在第一、三象限
B.
点（1，3）在它的图象上
C.
当x＞0时，y随x的增大而减小
D.
当x＜0时，y随x的增大而增大
【简答题】It can be inferred that__________ . [A] Mrs. Lancaster will find a better paid job in the future [B] the job of draughtswoman is very demanding [C] the court may hear more stress-related cases [D] the...
【简答题】Mrs. Thompson paid ———— to Teddy
【简答题】函数y=x的图象与函数y= 4 x 的图象在第一象限内交于点B，点C是函数y= 4 x 在第一象限图象上的一个动点，当△OBC的面积为3时，点C的横坐标是______．
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