下列_______对磁盘的调度中只需要考虑公平性。 Ⅰ. 先来先服务 Ⅱ.

根据对话内容，从方框内选出能填入空白处的最佳选项，其中有两项为多余选项。
A: Hello, Li Lei. Nice to meet you.

A. How lucky you are! B. I will go to Sanya with my parents. C. It doesn’t matter. D. Nice to meet you, too. E. What about you? F. I will do my best. G. Two weeks.

B:   小题1:
A: What’s your plan for the summer vacation?
B:  小题2:       
A: Really? Are you going to Tianya Haijao?
B: Yes, we’ve got tickets there.
A: 小题3:  
B: Of course, I’m lucky enough. 小题4:
A: I am going to Kunming with some of my friends.
B: That sounds great. How long will it take?         
A: 小题5:  Then I’ll be back home to visit my grandpa.
B: Have a happy summer vacation!
A: The same to you!