《北京市电梯安全监督管理办法》规定，妥善保管电梯层门钥匙、机_爱下问搜题

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《北京市电梯安全监督管理办法》规定，妥善保管电梯层门钥匙、机房钥匙和电源钥匙不是电梯使用单位的安全管理人员的职责。()

答案

参考答案：错

完形填空

It was my birthday last Thursday. I decided to 36 by inviting a few friends out to supper. I chose a restaurant in a 37 part of town. It is one of my favorite restaurants because the food is good and the waiters are friendly. It is 38 ever crowded, because not many people know about it, so it is not usually 39 to book(预定) a table. In any case, Thursday is not a busy evening 40 .
When we entered the restaurant, we were surprised to find it completely 41 . I looked around but no 42 was free. One of the waiters recognized me. He came across and explained the situation. “A party of tourists(旅游团) came in about half an hour ago,” he said. “It was like an invasion (侵略). 43 the place was full! We can hardly manage (对付，应付).”
The waiter then pointed to a table in the corner. “The people there are about to 44 ,” he said. “Just hold on and you’ll 45 a place there.” He was right. Fifteen minutes later, the people 46 the corner table paid their 47 , got up and left. I led my friends across and we all sat down.
48 , our table was almost out of sight. We tried to call the attention of the waiter who sent us there, 49 he, like all the other waiters, was 50 with the party of tourists. They ordered lots of food. At last, an hour later, the tourists were finishing their meal and looking very 51 with life. The waiter, now very tired, appeared at our table. I advised my friends about the best dishes and finally the waiter went off with our 52 .
A few moments later he returned to our table. We could tell from his face that he had 53 news for us. 54 a little sorry he told us that there was no meat or fish. “All we can 55 you,” he said, “is an omelet (煎蛋卷) !”

B．congratulate

C．disappointed

问答题简答题

作为转录模板的DNA片段具有哪些特定的功能部位？