下列有关细胞分裂和细胞分化的叙述中，错误的是（     ）

用括号内所给动词的正确形式填空

1. We____ (eat) up all the food, but we still feel hungry.

2. --Have you handed in your project?

--No. I____ (check)it again right away.

3.That is only way we can imagine____ (reduce) the waste of water in the bathroom.

4. ---Why didn't you watch Running Man on TV?

  ---I____  (make) up the music for the coming School Art Festival.

5. I don't know the competition of model planes____ (cancel) the other day.

人和绝大多数哺乳动物的生殖方式是（　　）

氨氧化法制硝酸的主要反应是：4NH₃（g）+5O₂（g）⇌4NO（g）+6H₂O（g）