下列各组物质按单质、氧化物、混合物的顺序排列的是( ) A.冰、干冰、盐酸 B. 发布时间:2017-04-29 19:38 │ 来源:www.tikuol.com 题型:选择题 问题: 下列各组物质按单质、氧化物、混合物的顺序排列的是( )A.冰、干冰、盐酸B.汞、水、啤酒C.石墨、石灰水、碳酸钙D.氮气、氧气、空气
题型:选择题 用方框中所给的词的适当形式填空,使短文正确、通顺。每词限用一次。 slow born rapid country healthy carry large people control develop The growing population is still a big problem in the world, especially in developing countries. The population in developing countries is larger than that in 1______ ones. And it's growing faster than that in any other 2______. Chinese government has 3______ out many plans. And they have.worked well in 4______ China's population. Thanks to them, Chinese people's living conditions are improving 5______. About 261 babies are 6______ in the world every minute. Just imagine how many more 7______ there will be in one year. China is a country with the 8______ population, so we still have a long way to go. We should do something to 9______ down the growth of the population. It's important for each family to have fewer but 10______ children. Or maybe there won't be enough places for people to stand on the earth in the future. 查看答案
题型:选择题 老刘是一位技术经验丰富的工程师,在技术科,每一位员工都认为老刘的工作相当出色。不久前,老刘被任命为技术科科长。老刘上任后,下定决心要把技术科搞好。在上任后的第一个月内,全科室的人都领教了老刘的“新官上任三把火”。小张由于堵车,迟到了三分钟,老刘当众狠狠地批评了他一顿。老刘需要一份技术资料,小赵加班三个晚上替他赶了出来,老刘连一句表扬的话也没有。一年过去了,厂领导发现技术科似乎出问题了,科室里缺乏团结和谐的气氛,缺勤的人很多,不少人要求调动工作,许多技术工作都应付不过来了。按照豪斯的路径一目标理论,老赵的领导行为属于( )。A.指导式领导B.支持式领导C.参与式领导D.成就取向式领导 查看答案
题型:选择题 外汇市场牌价:SpotUSD/DEM1.7520/30,6MTHS350/368货币市场的利率:德国马克利率:9%--10%,美国美元利率:3%--4%,现有一家公司向银行借进1000万美元,准备进行6个月期的套利,如果6个月后的汇率为1.7965/70,问该公司如何操作及损益如何?1000万×1.7520×(1+9%×6/12)÷(1.7530+0.0368)-1000万×4%×(1+4%×6/12)=2.9299万美元 查看答案