问题
问答题 简答题
电缆耐压试验前，应当做好哪些安全措施？
答案
参考答案：
1.对设备充分放电，并测量绝缘电阻；
2.加压端应做好安全措施，防止人员误入试验场所，另一端应设置围栏并挂上警告标志牌，如另一端在杆上或电缆开断处，应派人看守；
3.试验区域、被试系统的危险部位或端头应设临时遮栏，悬挂“止步，高压危险！”标志牌。
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电缆耐压试验前，应当做好哪些安全措施？
参考答案：
1.对设备充分放电，并测量绝缘电阻；
2.加压端应做好安全措施，防止人员误入试验场所，另一端应设置围栏并挂上警告标志牌，如另一端在杆上或电缆开断处，应派人看守；
3.试验区域、被试系统的危险部位或端头应设临时遮栏，悬挂“止步，高压危险！”标志牌。
| 阅读理解. |
| Mr. Read always goes to the same bar (酒吧) at the same time every day and asks for two glasses of beer (啤酒). He drinks them and asks for two more. The girl behind the bar says to him, "Why do you always ask for two glasses of beer?" Why don't you get one big glass instead (代替)?" The man answers, "Because I don't like to drink by myself. I drink with my friend." The man is in the bar now, and he asks only for one beer. "Oh," says the girl, "is your friend dead?" "Oh, no," says Mr. Read, "he is very well. This beer is for him. I won't drink beer. My doctor doesn't want me to drink any more beer because it is dangerous for my health." |
| 1. What does Mr. Read like? ______. |
| A. He likes going out for a walk B. He likes drinking beer C. He likes to go to different bars D. He likes drinking tea |
| 2. The girl in the bar wants to know ______. |
| A. why Mr. Read always drinks alone B. why Mr. Read always drinks with his friend C. why Mr. Read always asks for two glasses of beer D. why Mr. Read always comes to the beer |
| 3. Now Mr. Read asks for ______. |
| A. two glasses of beer B. one glass of beer C. nothing D. three glasses of beer |
| 4. Mr. Read won't drink any beer because ______. |
| A. he doesn't like beer any more B. his wife doesn't want him to drink any more C. his doctor doesn't want him to drink any more. D. the girl doesn't want him to drink any more |
| 5. What happens to Mr. Read's friend? ______. |
| A. He is dead B. He is ill C. He is well D. He isn't very fine. |