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- 1飞机速度是火车的7倍,飞机比火车快816千米每时,飞机和火车的速度分别是多少?列方程式.
- 2some of these people are far from home.的中文是什么
- 3电解水得到的氢气和氧气的质量比是( ) A.2:1 B.4:8 C.1:16 D.1:8
- 4______ go to the park this Sunday,______ _______?______ ______ going to the park this Sunday?
- 5she isn't sure when she will leave for Shanghai 同义句 she isn't sure_____ ______ ______for shangha
- 6同温同压下,相同物质的量的气体,其体积是否相同
- 7英语作文:打扫房间的翻译
- 8There is nothing either good or bad,but thinking makes it so.
- 9两个圆的周长和是94.2厘米,已知大圆半径是小圆半径的四倍,小圆面积是多少?
- 10恐怕我听不见你说话.这句话用英语翻译