我国土地资源利用中的有利条件是（   ）

There was some milk in the bottle.(改为否定句)

There ____ ____ milk in the bottle.

在300毫升水的滴漏实验中，前10毫升水和最后10毫升水相比较，(    )。

阅读短文，判断下面的句子是否与短文相符    Hello, friends! I am Bob. It's Monday today. I was very busy yesterday. In the morning, I got up early and had a math class. After math class, I went to the library and read books. I like to read books there. It's 12 0'clock, I went home by bus. I had lunch with my family. In the afternoon, I did my homework. When I finished it, it was too late. I was very tired and I went to bed late.

1mol C₂H₄与Cl₂完全加成，再与Cl₂彻底取代，两过程共用Cl₂（   ）