补全对话（10分）

A: Hello, Xiao Hong!

B: Hello!

A: You look a little3 upset. 小题1:_______

B: Yes. It just my mom. She always nags（唠叨）me.

A: Really? What does your mother nag you about?

B: 小题2:________ “Get up now… Everything must be in place… Don’t forget your piano lesson…”

A: Well, all the mothers like saying these words to their children.

B: Also, I’m fond of pop music. 小题3:______ We don’t have the same interest in many things.

A: 小题4:______ But I should say she nags you because she cares about you. You’re lucky to have such a good mother.

B: I agree with you. 小题5:______.

A: That’s right. Understanding is important. If your mom knows that everything is fine, she will never nag.

下列情况下，不符合桥形接线的描述（）。

A.内桥接线适用于线路较长和变压器不需要经常切换的情况

B.外桥接线适用于线路较短和变压器需要经常切换的情况

C.当只有2台变压器和2条线路时，宜采用桥形接线

D.外桥接线，在变压器故障或切除、投入时，要使相应线路短时停电，并且操作复杂