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【单选题】
— What's that terrible noise? It's noisy. — The neighbors ____ for a party. [     ]
A.
have prepared
B.
are preparing
C.
prepare
D.
will prepare
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参考答案:
举一反三
【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.
【单选题】具有自旋角动量,能产生核磁共振的原子核是:
A.
13 C核
B.
、 12 C核
C.
、 32 S核
D.
、 16 O核
【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】具有自旋角动量,能产生核磁共振的原子核是
A.
B.
C.
D.
【多选题】商品出库的形式主要有
A.
自提
B.
送货
C.
取样
D.
过户
【单选题】下列核中,具有自旋角动量,能产生核磁共振的原子核是:
A.
13 C核
B.
12 C核
C.
32 S核
D.
16 O核
【单选题】具有自旋角动量,能产生核磁共振的原子核是
A.
13 C核
B.
12 C核
C.
32 S核
D.
16 O核
【判断题】excel中比较运算符包含“> ”,“=”,“<=”。A. 对 B. 错
A.
正确
B.
错误
【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.
【单选题】站点建立完成后,不可以对本地站点进行 操作
A.
打开
B.
复制
C.
关闭
D.
导入、导出
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