贝丁顿社区位于伦敦西南。为减少建筑热损失，建筑师采取了一系列措施，使用可循环利用的建筑材料、太阳能装置等，使这里成为世界上第一个零二氧化碳排放社区。下图示意贝丁顿社区能源循环模式，据此完成下面小题。

第二次世界大战后，亚洲、非洲和拉美地区的民族解放运动高涨，其中著名的领导人有（    ）

①章西女王  ②尼赫鲁  ③玻利瓦尔  ④纳赛尔

情景对话

A：Would you like to have dinner with me this evening, Bob? 

B： ____ . Maybe another time.

A：What are you doing?

B：I'm making aplan____

A：What plan? Is it very important?

B：Yes, I always do volunteer work on the first Saturday of every month.

A：____

B：I help out at the children's hospital. I help to plan some activities.

A：____

B：Of course. You should help to make the sick children happy.

A：____ I can tell them some interesting stories.

a. Oh, I'd love to do that.

b. I must finish it on time.

c. Sorry, I can't. I'm busy.

d. Err…Bob, could I join you?

 e. What kind of volunteer work do you do？