已知3.5号标准圆钉,每千个重量为0.891kg,则每公斤有多少个
参考答案:X=1000/0.981=1122(个) [答] 每公斤3.5号圆钉有1122个。
按要求改写句子。
1. Wu Yifan likes making things. (变为一般疑问句,并作否定回答)
_____________ Wu Yifan _____________ _____________ things?
_____________, _____________ _____________.
2. I want to say goodbye to my friends. (变为否定句)
I _____________ _____________ to say goodbye to my friends.
3. He is going to be a scientist. (就画线部分提问)
_____________ _____________ he going to _____________?
论述配送中心的基本作业流程和作业内容。论述综合运输体系的组成。