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【单选题】
下列化合物中具有顺反异构的是 :
A.
CH 2 =CHCH 2 Br
B.
CH 2 =CHCl
C.
CH 3 CH=CH 2
D.
CH 2 =CH-CH=CHCH 3
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【单选题】_____ is well-known to all  that the 2016 Olympic Games will be held in Rio de Janeiro, Brazil. [     ]
A.
As
B.
What
C.
That
D.
It
【单选题】Rio De Janeiro, ___________the right to host the 2016 Olympic Games, will be occupied in building stadiums.
A.
winning
B.
won
C.
having won
D.
to win
【单选题】is known to us is that the 2016 Olympic Games will be held in Rio de Janeiro, Brazil.
A.
It
B.
Which
C.
As
D.
What
【简答题】Being a volunteer for the 2016 Olympic s in Rio de Janeiro, Brazil is your strong wish. Write a letter to the Rio de Janeiro Olympic Committee to state your application to be a volunteer, describe...
【单选题】_______is known to us all is that the 2016 Olympic Games will take place in Rio de Janeiro. [     ]
A.
What
B.
which
C.
As
D.
It
【多选题】从中华民族复兴的历史进程来看,中国特色社会主义进入了新时代意味着( )。
A.
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B.
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C.
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D.
中国特色社会主义拓展了发展中国家走向现代化的途径
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A.
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B.
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C.
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A.
正确
B.
错误
【单选题】下列不属于呼吸道细菌
A.
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B.
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C.
嗜肺军团菌
D.
支原体
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A.
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B.
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C.
it's
D.
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