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[主观题]
Which of the following is referred to by the author as a field whose needs are served by w
eather forecasting?
A.Teaching.
B.Transportation.
C.Medical service.
D.Boxing.
![](https://lstatic.shangxueba.com/sxbzda/h5/images/tips_org.png)
A.Teaching.
B.Transportation.
C.Medical service.
D.Boxing.
第1题
Internet提供的服务方式分为基本服务方式和扩展服务方式,下列选项中属于基本服务方式的是()。
A.远程登录
B.名录服务
C.索引服务
D.交互式服务
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