甲、乙两物体，它们的体积比V甲：V乙=2：5，将它们放到天平上，天平平衡，则两物 发布时间：2017-06-11 22:40 │ 来源：www.tikuol.com 题型：填空题 问题： 甲、乙两物体，它们的体积比V甲：V乙=2：5，将它们放到天平上，天平平衡，则两物体的质量之比m甲：m乙=______，密度之比ρ甲：ρ乙=______．
题型：填空题 短文改错。 此题要求改正所给短文中的错误。对标有题号的每一行作出判断: 如有错误(每行只有一个错误)，则按下列情况改正: 此行多一个词:把多余的词用斜线(﹨)划掉，在该行右边横线上写出该词，并也用斜线划掉。 此行缺一个词:在缺词处加一个漏字符号(∧)，在该行右边横线上写出该加的词。 此行错一个词:在错词下划一横线，在该行右边横线上写出改正后的词。 注意:原行没有错的不要改。 I eager to go to college because I know there is so many to learn about the world and about human being. Knowledge is a source of pleasure for me. I want to study at a college for the fun to knowledge. I know the college education can prepare me better formy future. Better education means, more often than not, better jobs, better opportunities and better choices.I want to go to the college because I know that my parents and other people care for me will be happy with that. Unless I can study at a nice university, I will make them happier. I'd like to let you down. "That's why I must go to college. 1. _____2. _____3. _____4. _____5. _____ 6. _____7. _____8. _____9. _____10. _____ 查看答案