①选择一个与膨胀的胀紧管相同直径的钻头，安装在电钻上

②把膨胀螺栓套件一起放入孔内

③在墙壁钻孔

④依次放入弹簧垫圈与螺帽，并将螺帽拧紧

⑤取出弹簧垫圈与螺帽，并将平垫物件对准螺栓装上

请分析膨胀螺栓安装流程，正确的应该是（   ）

A: Here are all the clubs.

B: ____ club do you want to ____?

A: I want to join tile English club. How ____ you'?

B: Hmm. I want to join the ____ club. Can you ____ chess?

A: No, I ____ like chess. Do you like music?

B: Oh, yes. I ____ singing and dancing. I like music.

A: Me, too. Let's join the ____ club.

B: I can also learn to ____ the guitar in the music club.

A: That's great! I think I can ____ you with it.

B: Thanks a lot.

星期天，小明同学在父母的协助下，从早上七点开始每隔半小时对他家附近的气温和一个深水池里的水温进行测量，并根据记录的数据绘出温度一时间图象，如图所示。从图中可以看出乙的温度变化幅度小，是____ （填“气温”或“水温”)的图象，温度变化幅度小的原因是____ 。