问题
单项选择题
电网运行的客观规律包括（）。
A.瞬时性、快速性、电网事故发生突然性。
B.同时性、平衡性、电网事故发生突然性。
C.变化性、快速性、电网事故发生突然性。
D.异步性、变化性、电网事故发生突然性。
答案
参考答案：B
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电网运行的客观规律包括（）。
A.瞬时性、快速性、电网事故发生突然性。
B.同时性、平衡性、电网事故发生突然性。
C.变化性、快速性、电网事故发生突然性。
D.异步性、变化性、电网事故发生突然性。
参考答案：B
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| Mr Smith was an old miser (守财奴). He had a lot of 1 , but he never bought anything 2 . He and his wife lived in an old house outside the town. He often went to the shop 3 in order to (为了) save some money. In the 4 , as soon as it was dark in the room, he 5 . He had no TV but bought a cheap radio and often 6 the advertisements. The old man had no 7 , his wife was often ill. He wouldn't send her to the hospital. He thought he would 8 much to the doctors if they looked her over. He bought a few medical books and bought some medicine (药) 9 her. One night, Mrs Smith felt unwell, she had got a bad headache. She asked her husband to 10 a doctor, but he didn't agree (同意). He brought out some pills and made her 11 them. But it was no use. The old woman began to 12 at home. He locked the door and went in another room and 13 there. The next morning, when he woke up, he came into her 14 to see if she was all right. But he found the poor woman had died. He hurried to the telephone, but 15 his mind at once. He ran out and shouted to servant (佣人), "Don't cook breakfast for Mrs Smith this morning, Linda!" | ||||
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