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【单选题】
KMnO 4 滴定 H 2 O 2 的过程中,氧化剂与还原剂的化学计量关系是( ) )A.
5/2
B.
2/5
C.
3/2
D.
2/3
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【单选题】听力原文：W: Cambridge Business English Certificate is very popular nowadays, but I don't know much about it. Could I ask you some questions? M: My pleasure. W: What is Cambridge Business English Certifica...
A.
A new English Language examination testing four different skills.
B.
An examination testing Reading, Writing, Listening and Speaking.
C.
A new Business English examination having three certificates at three different levels.
D.
A new Business English examination testing certain business knowledge and skills.
【简答题】当咖啡的价格上升时，茶叶的需求量就会增加。( )
【简答题】设二维随机变量 的联合分布律如下表所示,则 。 0 1 1 2
【单选题】听力原文： 'Where is the university?' is the question many visitors to Cambridge ask. But no one could point at any one direction because there is no campus. The university consists of 31 self-governing co...
A.
Because there are no signs to direct them.
B.
Because no tour guides are available.
C.
Because all the buildings in the city look alike.
D.
Because the university is everywhere in the city.
【单选题】听力原文： 'Where is the university?' is a question many visitors to Cambridge ask, but no one could point them in any one direction because there is no campus. The university consists of thirty - one self...
A.
Because there are no signs to direct them.
B.
Because no tour guides are available.
C.
Because all the buildings in the city look alike.
D.
Because the university is everywhere in the city.
【单选题】听力原文： 'Where is the university?' is the question many visitors to Cambridge ask. But no one could point at any direction because there is no campus. The university consists of 31 self-governing colleg...
A.
Because there are no signs of direction.
B.
Because it lies in a remote place.
C.
Because the university is everywhere in the city.
D.
Because there are no guides available.
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