题目内容

某种部件在2000台计算机中使用,运行工作1 000小时后,该部件发生失效的计算机共有10台,则该部件千小时可靠度R为(6)。

A. 0.99
B. 0.992
C. 0.995
D. 0.998

查看答案
更多问题

地下矿藏、埋藏物等是否自动归属于土地拥有者,世界上各个国家和地区的规定基本相同。()

A. 正确
B. 错误

在供应商绩效评价的指标体系中,()是最基本的指标,包括到货商品批次合格率、到货商品抽检缺陷率、商品报废率、供应商供货免检率等。

A. 质量指标
B. 经济指标
C. 支持、配合与服务指标
D. 供应指标

第二节 完型填空
阅读下面短文,从短文后所给各题的四个选项(A、B、C和D)中选出能填入相应空白处的最佳选项。
Mary was very fond of television, so when she met a young man 【B1】 worked for a television company, she was very 【B2】 and asked him a lot of questions. She discovered that he had also worked for a film company, so she asked him 【B3】 there was any difference 【B4】 film work and television. " 【B5】 ," answered the young man, "there is one very big 【B6】 . If someone makes a 【B7】 while a film is being made, it is, of course, 【B8】 to stop and do the scene again. In fact, one can do it over and over again a lot of 【B9】 . Mistakes 【B10】 time, money and films, but the audience (观众) who see the film 【B11】 it is finished don't know that anything went wrong. In a live (实况播送的) television show, 【B12】 the audience can see any mistakes that are made. I can tell you a story about that. 【B13】 ,a live television show 【B14】 and one of the actors was supposed 【B15】 . He fell to the 【B16】 and the camera moved to 【B17】 to allow time for me to run out 【B18】 a bottle of tomato sauce (蕃茄酱) to pour on to him 【B19】 blood. But 【B20】 the camera turned back to him before I had finished, and the audience saw me pouring the sauce on to the man. "
"Oh, how terrible!" Mary said. "And what did you do then?"
"Well, "answered the young man," our television director is a very strict man. If anyone makes a mistake, he will fire him at once. So what could I do? I just had to pretend that this was part of the story, and eat the man. "
【B1】

A. who
B. which
C. whose
D. whom

Section A
Directions: In this section, you will hear 8 short conversations and 2 long conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversation and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A, B, C and D, and decide which is the best answer.
听力原文:M: Could you remind me when we get to Buckingham Palace, please?
W: Sure, no problem! Now we're at Oxford Street, and we can get there after 30 minutes.
Q: Where is the man heading for?
(12)

A. Oxford Street.
Buckingham Palace.
C. Trafalgar Square.
D. King's Cross.

答案查题题库