根据句意及首字母提示完成单词

1. I have a ping-pong b______.Let's play pingpong.

2. Let's go to an English c   ____.

3. My father likes playing s   ____.

4. I want to play tennis, but I don't have a tennis r   ____

5. —Let's play volleyball.

    —That s  ____ good.

氨吸收式制冷系统中，如果冷却水平行的通过吸收器和冷凝器，则它们两者的温度关系是（）。

A、冷凝器温度高

B、吸收器温度高

C、近似相等