A：①④
B：②③
C：②④
D：①②③
广州市委市政府下发《关于学习借鉴香港先进经验推进社会管理改革先行先试的意见》，强调逐步减少居民委员会协管、协办的行政性事务，充分发挥居委会的自治组织功能。这一做法（ ）
①有利于人民当家作主
②有利于居委会更好地行使政府职能
③有利于调动广大居民参与社区建设的积极性
④是社会主义民主最为广泛而深刻实践的有益探索
补全对话
从方框中选择最佳选项完成对话, 有两项多余
A. Oh, I see.
B. They’re buying food and vegetables.
C. We’re having a good time.
D. some people aren’t shopping
E. Why are some of them going away in a hurry?
F. Thank you.
G. They are choosing and talking.
A: Look! There are many people in the shop. What are they doing?
B: ____
A: Yes, but____ in the shop. What are they doing in the shop?
B:____
A:____
B: Because they are leaving for home.
△ABC中，角A,B,C成等差数列是sinC=3cosA+sinAcosB成立的（ ）
下列各句中，没有语病的一句是 （ ）
