迫击炮的弹道十分弯曲，射角较大。（ ） A.错 B.对

标签： 大国兵器 （中北大学）章节测试答案

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  一座大楼内的一个计算机网络系统，属于（ ）。 A.PAN B.MAN C.LAN D.WAN

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  please listen to the video in the website on the issue of social media and then answer the following questions(1分17秒-1分46秒）According to the speakers in this clip, the negative sides of social media includes the followings Except A.Social media might cause people to have self-consciousness because of bad comments or mean comments on social medias. B.Social media can make one jealous. C.Social media can be abused, like bullied online by social media. D.One can see what’s happening outside with your friends anywhere.

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  A.?? B.?? C.?? D.??