主页
学科
搜索
账户
常见问题
当前学科：中级食品检验工
题目：
判断题
K2Cr2O7非常稳定，容易提纯，所以可用直接法配制成标准溶液。
A . 正确
B . 错误
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:
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
利枢纽分等的依据是什么？共分为几等？
男性60岁。2小时前与人争吵后突发头痛，吐咖啡色液体。查体BP190/120mmHg，深昏迷，双侧瞳孔小，四肢瘫、颈有阻力。四肢有阵发性强直出现，诊断为高血压性脑出血。出血部位可能为（）。
拉线紧固后，UT线夹留有不大于1／2的螺杆螺纹长度。
患者男性，27岁，车祸后2小时，左腰部持续性疼痛，肉眼血尿。超声表现：右肾未见明显异常，左肾下极实质回声不均匀，可见不规则低回声区，肾周围有无回声区包绕，膀胱充盈良好，内见不规则团块状高回声浮动膀胱内不规则团块状高回声，最可能是（）。
肾细胞癌的描述，不正确的是（）。
列车分部运行，机车进入区间挂取遗留车辆时，应从车列前方距离不小于（）处放置响墩防护。
肾功能失代偿期（）
压缩机（）时，应检查和清洗阀片、内外阀座，更换损坏的阀片、弹簧。调整开启度，试验阀的密封性。
FENWAL的光电型7155烟探的正常工作温度范围是：（）