问题
单项选择题
标准型网络万用表可以进行电缆以及站点至网络（）测试。
A.双端
B.单端
C.三端
D.四端
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
标准型网络万用表可以进行电缆以及站点至网络（）测试。
A.双端
B.单端
C.三端
D.四端
参考答案：B
| 从方框中选择合适的单词将短文补充完整。 | |
bought presents for friends. But on Wednesday, Mike got 3 . He went to a policeman and 4 help. The policeman 5 him to take the No. 16 bus. Then 6 at the hotel. He arrived safely. |
