Linda: Hello, George.____ 

    George: Hi, Linda. I'm reading a tourist guide to Europe.

    Linda:____ 

    George: Yes, i'm looking to such a trip. Hey, have you ever been there?

    Linda: Yes. I've actually visited my countries in Europe; France, Germany, Italy and Austria, for example.

    George:____ And how long did you stay?

    Linda: Two years ago. For over one month.

    George: Did you like it?

    Linda:____There are many ancient churches and castles. It's the best trip I've ever taken.

    George: Sounds great.____ 

    Linda: Good idea. You won't regret it.

A: Of course.

B: Not exactly.

C: What are you doing?

D: When did you go there?

E: Do you plan to move to Europe?

F: Are you thinking of visiting Europe some day?

G: I decide to make a trip next October on my annual leave.

《奇妙的克隆》四个小标题的作用分别是____，____，____，____。

如图为探究产生电磁感应现象条件的实验装置，下列情况中不能引起电流计指针转动的是（   ）