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【单选题】
There is no important information in the newspaper, _____? [     ]
A.
isn't there
B.
is it
C.
is there
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【简答题】你为什么不回家乡谋职?
【单选题】下列化合物中不能和饱和 NaHSO 3 水溶液加成
A.
异丙醇
B.
苯乙酮
C.
乙醛
D.
环己酮
【单选题】Summer is winding down, but it's still not too late to put the top down and hit the road. For those of us who can't spring for a Corvette or a BMW, here's some good news: Two of the coolest convertibl...
A.
practicality
B.
fun to drive
C.
prices
D.
style
【单选题】当植物细胞脱离了原来所在植物体的器官或组织而处于离体状态时,下列有可能使其表现出全能性,发育成完整的植株的是
A.
细胞分裂素
B.
生长素
C.
一定的营养物质
D.
以上三者均是
【单选题】It's time I________to thinking about my future. [     ]
A.
got down
B.
went down
C.
broke down
D.
came down
【单选题】The sentences are good. Let's _______. [     ]
A.
write down it
B.
write it down
C.
write down them
D.
write them down
【单选题】The sentence (句子) is good, so let's _____. [     ]
A.
write down it
B.
write it down
C.
write down them D .write them down
【单选题】下列化合物中不能能和饱和NaHSO3水溶液加成?( ) A:异丙醇 B:苯乙酮 C: 乙醛 D:环己酮
A.
异丙醇
B.
苯乙酮
C.
乙醛
D.
环己酮
【单选题】人类真正幸福的东西是
A.
德性加上才华
B.
金钱加上才华
C.
名望加上才华
D.
权利加上才华
【单选题】下列化合物中不能和饱和 NaHSO 3 水溶液加成
A.
异丙醇
B.
苯丙酮
C.
乙醛
D.
环己酮
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