主页
学科
搜索
账户
常见问题
当前学科:中级管工考试
题目:
填空题
钢管热煨加热温度为()时,呈淡红色或橘黄色。
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
针织领带
在星形连接的电路中,线电压等于相电压。()
巴比妥类药物与氢氧化钠溶液加热时可水解放出氨气,这是因为()
Close TestThe manager of a small building company was very (21) to get a bill for two white mice which one of his workmen had bought. He sent for the workman and asked him why he had had the bill (22) to the company."well ," the workman answered , "you remember the house we were (23) in Newbridge last week. don't you? One of the things we had to do there was to put in someNew electric wiring. Well , in one place we had to pass some wires through a pipe (24) and about an inch across ,which was built into solid stone and had four big bends (弯角) in it. (25) could think how to do this unless I had a good idea. I went to a shop and bought two white mice ,one of them male and the other female. Then I tied a thread to the body of the male mouse and put him into the pipe at one end , (26) Bill held the female mouse at theother end and pressed her gently to make her squeak. When the male mouse heard the female mouse's squeaks , he rushed along the pipe to help her. I suppose he was a gentleman (27) he was only a mouse. Anyway , as he ran through the pipe , he (28) the thread behind him. It was then quite easy for us to tie one end of the thread to the electric wires and pull them (29) the pipe. " The manager (30) the billfor the white mice.21. A. surprised B. sorry C. strange D. fearful22. A. to be sent B. to sent C. send D. sent23. A. mending B. cleaning C. repairing D. setting24. A. thirty-feet-long B. thirty foots longC. thirty feet long D. thirty feets long25. A. None of us B. No one usC. No of us D. None us26. A. as B. so C. while D. when27. A. even though B. as thoughC. in fact D. sure enough28. A. pulled B. pushed C. lifted D. brought29. A. along B. through C. inside D. towards30. A. received B. agreed C. paid D. cashed
下列哪一个测试过程是测试构件之间的接口以保证构件能够交互,它将构件本身抽象为单元,并关注与构件间的消息传递,构件的交互行为可以通过形式化规约得到,可以提前进行()。
由于原材料和制作工艺的原因,世界上所有的优质冰壶均产于()
患儿男,5个月。入院时,体温39.5℃,咳嗽、呼吸急促,呛奶,口周发绀,两肺有固定细湿啰音。住院1天后出现两眼上翻,惊厥,昏迷,前囟紧张,脑脊液检查未见异常,体温升至40℃。病情提示该患儿合并()
数字微波中误码监测电路主要用于()和自动切换还能对通信的可靠性进行统计。
银银邮路业务范围包括()
国务院常务会通过《突发公共卫生事件应急条例》的时间是()