如图所示，D是△ABC的边AB的中点，则向量 $\overrightarrow{CD}$ =（   ）

当人在草丛中行走时，裤角上常被沾上一些鬼针草带刺的“针”，人在这一过程中所起的作用是（　　）

有关我国各民族分布状况的叙述，正确的是（　　）

选择下列词汇完成下面的对话，并在答题卡上将相应的字母编号涂黑。（共5小题，每小题1分）

Lisa: Lily, it's Saturday today. Why not go and ____  ourselves this evening?
Lily: Good idea! What would you like to do? See a movie or watch a play?
Lisa: A movie. It's said a new movie ____ The Grey is on these days. Have you seen it?
Lily: No. But I heard it was the____  movie of the year.
Lisa: Really? Then how about the film Shadows of Love? It's a love story. It should be ____ .
Lily: OK. What time does it ____ , do you know?
Lisa: Wait a minute. I'll check it... Yes. It says 7:30 this evening.
Lily: Good. See you then.