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【简答题】
中国自行研制的ARJ21采用的发动机属于涡轮螺桨发动机。()
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【单选题】听力原文：W: We should really get Kim to do some more housework. This place is filthy again! M: Yes, it's always untidy when it's her turn to clean. Q: What can we find out in this conversation? (18)
A.
Kim is addicted to cleaning.
B.
Kim is usually reliable.
C.
They all enjoy cleaning.
D.
They wish that Kim would be more focused on the housework.
【简答题】写出鉴别下列各组化合物所用的试剂名称 ( 1 )丙醛、苯甲醛与 3- 戊酮 ( 2 ) 乙酰乙酸乙酯、乙酸乙酯、β - 丁酮酸 (3)苯甲酸、 3- 苯基丙烯酸、邻羟基苯甲酸
【单选题】听力原文：How shall we celebrate Mr. Kim' s promotion? (A) Why don't we throw him a party? (B) I took a subway to the celebration. (C) The last campaign was quite successful. (32)
A.
B.
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