人体的密度与水的密度差不多,一个正常成年人的质量约为______千克,其体积约为 发布时间:2017-06-07 21:28 │ 来源:www.tikuol.com 题型:填空题 问题: 人体的密度与水的密度差不多,一个正常成年人的质量约为______千克,其体积约为______米3.
题型:填空题 结合短文,用所给单词的适当形式填空。 I have got three good friends. Mike is 1._____ (tall) than Tom. Mary is 2._____ (short) than Tom. Tom is 3._____ (strong) than Mary. Mary is 4._____ (young) than Mike. They can play football. Mary is 5._____ (bad) than Mike. Tom is 6._____ (good) than Mike. I like them very much. 查看答案
题型:填空题 小华体检时站在磅秤上,秤的示数是50kg,这时秤受到人对它的压力大小是______N,当小华抬起一只脚后,他对秤的压力大小______,压强大小______(最后两空选填变大/变小/不变). 查看答案