X、Y两种元素组成的两种化合物甲和乙,已知:甲的分子式为XY3,甲中X的质量分数 发布时间:2017-06-16 13:17 │ 来源:www.tikuol.com 题型:选择题 问题: X、Y两种元素组成的两种化合物甲和乙,已知:甲的分子式为XY3,甲中X的质量分数为80%,乙中Y的质量分数为25%,则乙的分子式为( )A.X3YB.XY2C.X3Y2D.XY4
题型:选择题 用方框中所给词语的适当形式填空,使短文正确、通顺、连贯(每词限用一次)。job, chance, fourth, why, live, easy, honest, good, in order to, come out Good morning, ladies and gentlemen. I'm here today to share a good lesson with you. It is a true storyabout an overseas student 1_____ in Germany. After years of hard work, this student graduated with amazing achievements. Everyone thought he was going to get a good 2_____ easily and have a bright future. But to his disappointment, he was not even giventhe 3_____ for an interview! The third time he was refused, he couldn't help telephoning the company to ask.4_____ they didn't want him. The answer was simple."We don't offer jobs to 5_____ people in Germany." What was wrong, you might wonder? The truth is,shortly after he arrived in Germany, this clever studentfound that it was 6_____ to skip buying subway tickets. So 7_____ save money, he often went without a ticket. As a result, he had been caught without a ticker in the subway 8_____ times. From this story, we learn that we may get short-term benefits in dishonest ways, but the truth will 9_____sooner or later and the cost is high. So remember: honesty is the 10_____ rule. That's all for my speech. Thank you! 查看答案
题型:选择题 —Could you lend me the book you bought last week? —_______.[ ]A. Yes, here you are B. No, I can't lend it to you C. It's not interesting 查看答案
题型:选择题 Your performance in the exam didn’t reach the required standard --- , you failed.A.in a wordB.in my own wordsC.in other wordsD.of my word 查看答案
题型:选择题 甲居于某址市.因业务需要,以其座落在市中心的一处公寓(价值210万元)作抵押,分别从乙银行和丙银行各贷款100万元。甲与乙银行于6月5日签订了抵押合同,6月10日办理了抵押登记;与丙银行于6月8日签订了抵押合同,同口办理了抵押登记。后因甲无力还款,乙银行、丙银行行使抵押权,对甲的公寓依法拍卖,只得价款150万元,乙银行、丙银行对拍卖款应如何分配? 查看答案