【单选题】高电压系统采用( )警示电缆,有效绝缘且防止电磁辐射。
【简答题】听对话,选答案。 ( )1. A. By bike. ( )2. A. He's got a cold. ( )3. A. The high jump. ( )4. A. 5786681. ( )5. A. Black. ( )6. A. He's smoking. ( )7. A. England. ( )8. A. Snowy. ...
【简答题】选择与所听到的问句相符的答语 1.A.In a park. B.On a road. C.At Mr. Black's. D.In a street. 2.A.A dog. B.His father C.His parents. D.Mr.Black. 3.A.Because he is afraid of the dog. B.Because he likes to go home. C.Bec...
【单选题】Which command is used to show the interface status of a router?
B.
show ip interface brief
【简答题】在△ABC中,∠A:∠B:∠C=1:3:2,那么△ABC是______三角形.
【简答题】听对话选图。 ( ) 1. A. by bike B. C. ( ) 2. A. B. C. ( ) 3. A. B. C. ( ) 4. A. B. C.
【简答题】听对话,选答案。 ( )1. A. By plane. ( )2. A. Visiting his grandparents. ( )3. A. Rainy. ( )4. A. ( )5. A. In the classroom. B. On foot. B. Hanging out. B. Snowy. B. B. In the library. C. B...