sciencehomeworktalkto

百度文库里有的

We have to recyle materials, because we need to keep the Earth ( Air pollution)We have to recyle materials, because we don't want to waste Earth's ( Trees, W)还有很多。滴。。以上滴都是ME自己想滴~希望能够帮到你~

科学作业：关于回收想一些我们为什么要回收利用材料的想法。比如，我们必须回收利用材料来保护地球资源

2016-04-02聊聊talk with with表示“和”，和某人对话。注重的是两个人一起，互动式。一般用在简单句。I talked with my friends this afternoon about our homework`指今天下午,我和我的朋友一起谈论作业。talk to 表示“对”翻译成，对谁说。有命令或者是告诉的意思。比较单方面的陈诉。一般会跟从句。I talked to my friends we need to fininsh our homework as soon as possible this 指今天下午，我告诉我的朋友我们必须尽快完成作业。