容量瓶上没有标记的是（　　）

A．标线

B．温度

C．物质的量浓度

D．容量

根据要求变换句型，每空一词。

1. He eats lunch at half past twelve. (改为一般疑问句)

    __________ he __________ lunch at half past twelve?

2. His father is a factory manager. (对划线部分提问) 

   __________ does his father __________?

3. Roy comes from America. (完成同义句)

    Roy __________ __________ America.

4. My brother usually wears jeans to school. (改为否定句)

   My brother __________ usually __________ jeans to school.

5. He has got a small orange. (用a big one 改为选择疑问句)

    __________ he got a small orange __________ a big one?