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【简答题】
现有一杯 50°C 的饱和硝酸钾溶液,欲改变其溶质质量分数,下列方法可行的是( ) A. 加入一定量的硝酸钾 B. 恒温蒸发部分水 C. 升温到 80℃ D. 降温到 20℃
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举一反三
【简答题】a. Eleanor and Ben are not going skiing with us this year because Eleanor just had a baby. b. But, Eleanor and Ben (go) _____ skiing with us this year if Eleanor (have, not, just) _____ a baby.
【多选题】人民法院审理行政案件的依据是（）
A.
省人大及其常委会制定的地方性法规
B.
民族自治地方制定的自治条例和单行条例
C.
国务院制定的行政法规
D.
国务院各部委制定的规章
【单选题】What is the relationship between Edgar and Eleanor?
A.
They are brother and sister.
B.
They are friends.
C.
They are neighbors.
D.
They are colleagues.
【单选题】Eleanor was originally the Duke of ______.
A.
Normandy
B.
Anjou
C.
England
D.
Aquitaine
【单选题】听力原文：Hello, I would like to leave a message to my friend Eleanor. Eleanor, this is Edgar. I heard that the sales division in our company has a vacancy starting on April 3rd. I know you major in sales ...
A.
He has business matters to talk with her.
B.
He needs her marketing expertise to solve some problems.
C.
He wants to ask her out.
D.
He tells her an opening in his company.
【单选题】下列集合不能表示偶数集的是 ( )
A.
{ x|x ＝ 2k ， k ∈ Z }
B.
{ 偶数 }
C.
{ … ， － 4 ， － 2 ， 0 ， 2 ， 4 ， … }
D.
{ x | x ＝ 2 n ， n ∈ N }
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