2.明明和达达是新结交的朋友，两个人都是数学爱好者，明明给达达出了一道难题，请你帮达达解决一下吧。
$108÷[12×(11-8)]$
请你先写出运算顺序，然后进行解答。

2.减法,乘法,除法,3。

三、罗宾和萨姆是新朋友，罗宾想更了解萨姆一些，问了他几个问题。如果你有了新朋友，记得多和朋友交流哟！从方框中选择恰当的选项补全对话。
Robin: Hi! May I ask you some questions?
Sam: Sure, please.
Robin: 1.
Sam: I like summer best. 2.
Robin: Do you like winter?
Sam: No, I don't. 3.
Robin: When is your birthday?
Sam: 4.
Robin: Do you help your parents do housework?
Sam: Of course. 5. Sometimes I cook dinner.
Robin: Thank you.
A. Because I can go swimming.
B. It's in autumn.
C. Which is your favorite season?
D. I often clean the room and wash clothes.
E. It's too cold.

1.C 2.A 3.E 4.B 5.D