句型转换（每空一词）. 1. They came back to the off
题型：句型转换
问题：
句型转换（每空一词）.
1. They came back to the office by bus.（对画线部分提问）
did they come back to the office?
2. Alice lived in California for five years.（对画线部分提问）
did Alice live in California?
3. Tina wanted to drink water because she was very thirsty.（对画线部分提问）
Tina want to drink water?
4. We bought some apples in the shop.（改为否定句）
We apples in the shop.
5. It's very windy.（对画线部分提问）
the weather ?
（1）2 min时，容器内n（N2）== ，c（H2）== 。
（3）2 min时，容器内气体的总物质的量与反应前容器内气体的总物质的量之比为：