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【多选题】
对开关、插座的电气和机械性能进行现场抽样检测应符合()
A.
不同极性带电部件间的电气间隙不应小于3mm,爬电距离不应小于3mm
B.
绝缘电阻值不应小于5MQ
C.
金属间合的螺钉螺母,拧紧后完全退出,反复5次应仍然能正常使用
D.
用自攻锁紧螺钉或自切螺钉安装的,螺钉与软塑固定合长度不应小于8mm,绝缘材料固定件在经受5次拧紧退出试验后,松动或掉渣,螺钉及螺纹损坏现象
E.
对开关按5%抽检到检测机构进行试验检测
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【判断题】不属于医疗事故的,医疗机构也要承担赔偿责任。( )
A.
正确
B.
错误
【简答题】阅读下面短文,掌握其大意,然后从每题所给的A、B、C、D四个选项中选出最佳选项。 Last night I was driving from Harrisburg to Lewisburg, a distance of about 80 miles. It was late, I was late, and I was driving _________. At one point along a...
【简答题】阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项。 Nowadays lots of students ask their parents for money to buy things they like. For me, to ask for money is like entering a(n) _ 36 __. I learned this from 37 . ...
【简答题】完形填空 阅读下面短文, 掌握其大意,然后从每题所给的A、B、C和D四个选项中,选出最佳选项: It is always interesting to visit another country, especially for those who have never traveled a great deal. Foreign __1__ can be very educational for ...
【简答题】阅读下面短文, 掌握其大意, 然后从每题所给的 A , B , C , D四个选项中选出最佳答案。 It was a winter afternoon.Some friends and l were eating at a restaurant and talking.We talked and talked and soon 36 became the topic.Suddenly I 37 u...
【简答题】阅读下面短文 , 掌握其大意 , 然后从每题所给的 A , B , C , D四个选项中选出最佳答案 . Travelers to new cities are often told to start their trip with a bus tour.It is said that they can then get a full view of the places that _____th...
【简答题】根据素材”花开A.avi"和“花开B.avi”,使用“序列图层”命令,制作持续3秒的视频,命名为“花开.avi",效果见”花开样片.avi"。
【简答题】阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项。 FOUND Black wallet with some money. Come to Room 502 in the evening, or call 9796788. WANTED IMMEDIATELY A boy or a girl to deliver newspapers Pay: $ 10 per day...
【简答题】阅读下面短文,掌握其大意,从每题所给的A、B、C、D四个选项中,选出最佳选项。 Bertha Ingram had been collecting them for more than 40 years. Every once in a while she would bring home a new book. She'd sit with it on her leg, looking at t...
【单选题】阅读下面短文,掌握其大意,从每题所给的
A.
B.
C.
D四个选项中,选出最佳选项。 James’s New Bicycle James shook his money box again. Nothing! He carefully __36__ the coins that lay on the bed. $24.52 was all that he had. The bicycle he wanted was at least $90! __37__ on earth was he going to get the __38__ of the money? He knew that his friends all had bicycles. It was __39__ to hang around with people when you were the only one without wheels. He thought about what he could do. There was no __40__ asking his parents, for he knew they had no money to __41__. There was only one way to get money, and that was to __42__ it. He would have to find a job. __43__ who would hire him and what could he do? He decided to ask Mr. Clay for advice, who usually had __44__ on most things. “Well, you can start right here,” said Mr. Clay. “My windows need cleaning and my car needs washing.” That was the __45__ of James’s odd-job(零工) business. For three months he worked every day after finishing his homework. He was amazed by the __46__ of jobs that people found for him to do. He took dogs and babies for walks, cleared out cupboards, and mended books. He lost count of the __47__ of cars he washed and windows he cleaned, but the __48__ increased and he knew that he would soon have __49__ for the bicycle he longed for. The day __50__ came when James counted his money and found $94.32. He __51__ no time and went down to the shop to pick up the bicycle he wanted. He rode __52__ home, looking forward to showing his new bicycle to his friends. It had been hard __53__ for the money, but James knew that he valued his bicycle far more __54__ he had bought it with his own money. He had __55__what he thought was impossible, and that was worth even more than the bicycle.
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【单选题】阅读下面短文,掌握其大意,从每题所给的
A.
B.
C.
D四个选项中,选出最佳选项。 James’s New Bicycle James shook his money box again. Nothing! He carefully __36__ the coins that lay on the bed. $24.52 was all that he had. The bicycle he wanted was at least $90! __37__ on earth was he going to get the __38__ of the money? He knew that his friends all had bicycles. It was __39__ to hang around with people when you were the only one without wheels. He thought about what he could do. There was no __40__ asking his parents, for he knew they had no money to __41__. There was only one way to get money, and that was to __42__ it. He would have to find a job. __43__ who would hire him and what could he do? He decided to ask Mr. Clay for advice, who usually had __44__ on most things. “Well, you can start right here,” said Mr. Clay. “My windows need cleaning and my car needs washing.” That was the __45__ of James’s odd-job(零工) business. For three months he worked every day after finishing his homework. He was amazed by the __46__ of jobs that people found for him to do. He took dogs and babies for walks, cleared out cupboards, and mended books. He lost count of the __47__ of cars he washed and windows he cleaned, but the __48__ increased and he knew that he would soon have __49__ for the bicycle he longed for. The day __50__ came when James counted his money and found $94.32. He __51__ no time and went down to the shop to pick up the bicycle he wanted. He rode __52__ home, looking forward to showing his new bicycle to his friends. It had been hard __53__ for the money, but James knew that he valued his bicycle far more __54__ he had bought it with his own money. He had __55__what he thought was impossible, and that was worth even more than the bicycle.
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