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[主观题]
What is the attitude of the author towards the future of mobile Internet?A.Indifferent.B.N
What is the attitude of the author towards the future of mobile Internet?
A.Indifferent.
B.Neutral.
C.Optimistic.
D.Pessimistic.
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
What is the attitude of the author towards the future of mobile Internet?
A.Indifferent.
B.Neutral.
C.Optimistic.
D.Pessimistic.
第6题
A、15mg/m3(10ppm)
B、30mg/m3(20ppm)
C、75mg/m3(50ppm)
D、150mg/m3(100ppm)
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