根据图画填空白，每空一词。

1. — Hello, Mike.           you play football? 

    —No, I can’t. But I can             .

2. —Can the girl the          piano?

    —Yes, she           . She is a music teacher.

3. — What                your father’s job?

    —He is a                   at a hospital in Lanzhu.

4. —Can you speak                ?

    —Sure, but I               speak English. 

5. —What is your favourite             ?

    —My favourite is                tennis.

如图所示的绝热容器用隔板   分成两部分，左侧有气体，右侧是真空，现将隔板抽掉，让左侧的气体自由膨胀到右侧，直至平衡，在此过程中

A．气体对外做功，温度降低，内能减少

B．气体对外做功，温度不变，内能不变

C．气体不做功，温度不变，内能不变

D．气体不做功，温度不变，内能减少