水有哪些用途?
参考答案:
水是人类生活和生产最重要的资源,它是化工生产中重要的溶剂和原料。
连词成句。
1. teacher's is this office the (.)
2. lunch school at you have do (?)
3. for it's school time (.)
4. my is where dress (?)
5. so it's beautiful (.)
王畅计划15天看完一本书.实际每天看8页,结果推迟3天才看完.这本书共有多少页?