根据句意及首字母提示填词。

1.  — What time do you get up in the morning?

     — I get up at a q____ past six.

2. My father is a d____, he works in a hospital.

3. — Who are the old man and the old woman in the photo? 

    — They are my g____.

4. — Does your brother have a r____ face?

    — Yes, and he has small eyes.

5. Please look a____ your sister at home.

在远距离输电的电路图中，升压变压器和降压变压器均为理想变压器，发电厂的输出电压和输电线的电阻均不变，随着发电厂输出功率的增大，则

A．升压变压器的输出电压增大

B．降压变压器的输出电压增大

C．降压变压器的输出电压减少

D．输电线上损耗的功率增大