外压薄壁容器的椭圆度越大,则容器的临界压力()。 A.不变 B.越大 C.越小 D. 发布时间:2018-08-26 10:30 │ 来源:www.tikuol.com 题型:单项选择题 问题: 外压薄壁容器的椭圆度越大,则容器的临界压力()。A.不变B.越大C.越小D.无影响
题型:单项选择题 根据问句找答语。( )1. Where does his uncle work? ( )2. What does he do? ( )3. Does Anna want to be a doctor? ( )4. Is she a writer or a reporter? ( )5. Wliat does Linda want to do? ( )6. Is your work interesting? ( )7. What do people call nurses? ( )8. What do you think of your work? ( )9. What size dress would you like? ( )10. What can I do for you? A. He's an actor. B. She's a reporter. C. She wants to be an actress. D. They call them "angels". E. It is quite exciting. F. He works in a restaurant. G. I would like a red dress. H. Yes, but it's dangerous. I. No, she wants to be a nurse.J. I would like a medium size. 查看答案
题型:单项选择题 从锌粒、苛性钠、生石灰、食盐、纯碱、干冰六种固体物质中选出三种物质分别加入到水和稀盐酸中,产生的现象如表所示:固体A固体B固体C水固体不溶解形成白色浑浊,并放出大量的热白色固体逐渐消失,并吸收热量,有气泡产生稀盐酸固体逐渐溶解,有大量气泡产生白色固体逐渐溶解,无气泡产生,放出大量的热白色固体逐渐消失,有气泡产生(1)由以上实验确定:固体B是______,固体C是______;(2)写出化学方程式:固体A与盐酸反应______;固体B与水反应______.(3)六种固体物质若按单质、氧化物、酸、碱、盐来进行分类,属于碱类的是______. 查看答案
题型:单项选择题 ()会造成监理力量与监理任务严重失衡,使得监理工作难以到位,保证不了建设工程监理的质量和效果。A.建设工程监理范围的无端缩小,B.建设工程监理范围的无限扩大C.建设工程监理范围的无故中止D.建设工程监理范围的有限扩大 查看答案
题型:单项选择题 关于最高额抵押正确的是()。A.借款合同可以附最高额抵押合同B.债权人与债务人就某项商品在一定期间内连续发生交易而签订的合同,可以附最高额抵押合同C.最高额抵押的主合同债权不得转让D.最高额度抵押的主合同债权可以转让,但必须协一致 查看答案