猜你喜欢
- 1在浓度为40%的盐水中加入1千克水浓度变为30%,再加入多少克盐浓度变50%?
- 2Tom,together with his parents,______(rush)to the nearest hospital in an hospital.
- 3有甲乙两堆小球,甲堆小球比乙堆多,且甲堆球数在560-640个第一次甲堆拿出与乙堆相同的球放入乙堆
- 4作文有哪几类?
- 5he doesn't go run还是he doesn't go running
- 61.天平的一端放着一块巧克力,另一端放着4分之1块巧克力和90克的砝码,这时天平正好平衡.这块巧克力重多少克?
- 7英语翻译
- 8吧一个同学迟到用新闻的形式写出来,要有标题,导语,主题,背景,结语,
- 9She had just finished her homework when her mother asked her to practise plying the piano yesterday.求高手来分析一下这句话的when是从属连
- 10生态系统的构成