生物的分类按大小和从属关系可排列____、____ 、____ 、____、____ 、____ 、____  等分类单位。

A：Hi, Li Xiang! Tomorrow is Saturday.____

B：Well, we decided on one thing. We're going to Mount Tai.

A：Oh. Sounds great! ____

B：We're going there by car.

A：____

B：Everyone should wear sports shoes.

A：When and where are you leaving?

B：We're leaving at the bus stop at 6:00 tomorrow morning.

A：____

B：We're going mountain climbing.

A：____

B：For a whole day. We'll be back at 4:50 in the afternoon.

A：Well, have a good time! Show me your photos when we get back to school.

B：Thanks. I will.

A. What are you going to do?

B. What else are you going to do?

C. How long are you going to stay there?

D. Please come and cheer us on.

E. What kind of shoes will you wear?

F. How are you going there?

G. How are you today?

2016年1月1日起，我国全面实施“一对夫妇可生两个孩子”的政策，积极应对人口老龄化问题。这说明（　）

—How can we help the children in the mountain village?

—We can ____ leaflets to ask people to donate money.