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.

某动物具有体表被毛、体温恒定、胎生、哺乳的特征，该动物是（    ）

阅读图文材料，回答下列要求。

贝加尔湖，汉代称为“北海”，其周边地区曾是中国古代北方游牧民族主要活动地带，也是汉代苏武牧羊之地。贝加尔湖水质优良，水量丰富，蕴藏着地球全部淡水量的约20%。湖面海拔456米。表层水温8月最高，约为9～10℃，1月至5月结冰，冰层厚度约70-115厘米。

实验发现，二氧化碳气体在水深170m处将会变成液体．现用一活塞将一定量的二氧化碳气体封入某导热容器中，并将该容器沉入海底．已知随着深度的增加，海水温度逐渐降低，则在容器下沉过程中，容器内气体的密度将会____（选填“增大”、“减小”或“不变”），气体的饱和汽压将会____（选填“增大”、“减小”或“不变”）．

（1）小华同学用导线绕在铁钉上，接入如图1所示的电路中，制成了一个电磁铁．闭合开关S，当滑动变阻器的滑片P向左移动时，它的磁性将 ____．（选填“增强”、“不变”、“减弱”）要使小磁针静止时N极转至左边的操作是 ____．（写出一种即可）

（2）萍萍家上月末抄表时电能表的示数是，本月末抄表时电能表示数如图2所示，本月用电　 ____kw•h．