搜题请搜索小程序“爱下问搜题”
问题 单项选择题

甲亢手术，预防术后并发甲状腺危象的关键是

A．手术切除腺体适当
B．术中勿过多挤压甲状腺
C．术中止血彻底
D．术毕冲洗切口
E．基础代谢率降到正常范围再进行手术

答案

参考答案：E

阅读理解
A Simple Scientific Experiment
Below is a description of a single scientific experiment. It shows us how iron reacts ( 反应) with air and with water.
Aim : To find out if iron rusts( 生锈) (a) in dry air ; (b) in water that has no air in it ( air- free water) ; (c) in ordinary water.
Materials : 3 clean iron nails ( 铁钉) ; test tubes ; test tube holder ; cotton wool ; oil ; Bunsen burner.
Iron in dry air
Method
(1)Put some iron nails at the bottom of a test tube.
(2)Push some cotton wool down the tube.
(3)Leave the tube for one week.
Result
After one week, the nails have not rusted.
Conclusion
Iron does not rust in dry air.
Iron in air-free water
Method
(1)Half-fill a test tube with water.
(2)Boil the water for three minutes. (This makes sure there is no air in the water.
(3)Put two or three clean nails in the water.
(4)Add some oil to the water. (This will keep air out of the water.)
(5) Leave the tube for one week.
Result
The nails do not rust in the tube with air-free water.
Conclusion
Iron does not rust in air- free water.
Iron in ordinary water
Method
(1)Half –fill a test tube with water and add two or three clean nails.
(2)Leave the tube for one week.
Result
The nails rust in the tube with ordinary water.
Conclusion
Iron rusts in ordinary water. (238 words)
小题1:In the first part of the experiment the cotton wool is most probably used to ______________.
A．keep the air dryB．keep the tube wet
C．make the nails rustD．keep the tube clean
小题2:What are necessary steps to make sure the water in the tube is air free?
①Leave half a tube of water in it              
②Boil the water for some time
③Put some clean iron nails in the tube           
④Add some oil to the water
A．①②B．①③C．②③D．②④
小题3:We can conclude from the experiment that only ____________ makes iron rusty.
A．dry airB．cotton woolC．ordinary waterD．air-free water
查看答案
单项选择题

今年，上海市政府将和香港政府互派政府公务员在对方机构任职工作，学习和借鉴国际大都市政府机关运行、管理的模式和方法。据了解，为了提升上海市公务员的国际化素质，人事部门将以强化科学行政决策能力为重点，继续推进MPA和EMPA的课程以及法律、WTO一般规则和现代行政管理知识等方面的培训，提高公务员信息技术应用能力、跨文化沟通能力和适应创新能力。另外，上海市有关部门将积极选派一批外语好、专业素质高的青年人才，通过友好城市交流等渠道到国外的政府机关、大企业和国际组织中去工作。 对这段文字概括最准确的是( )

A．上海市人事部门通过课程培训，人才交流等方式提升公务员的国际化素质

B．上海市政府将和香港政府互派政府公务员在对方机构任职工作

C．上海市人事部门推进政府公务员能力建设

D．沪港将互派公务员取长补短，提高能力
查看答案