新浪财经讯　2011年9月15日消息，国务院参事、中国可再生能源学会理事长石定寰在第五届夏季达沃斯论坛上表示，中国石油对外依存度已经超过了50%，而且对外依存度还在不断增长。如何更好满足对能源的需求，中国从很早以来把目光投向可再生能源。结合我国风能资源分布示意图，回答。

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    I have a problem. Yesterday afternoon I 1 with my best friend, Kim. And he was very angry. I thought about it for a long time last 2. Now I know I was 3 at that time. But I don’t know 4should do. My mother thinks I 5 go to see Kim and tell him I was wrong. My father thinks I should 6 Kim and say 7 to him. And my brother 8 I should call Teen talk, the radio advice program. My sister tells 9 I should call up my teacher for 10.
Can you tell me what I should do?

如图，四边形A₁B₁C₁D₁∽四边形A₂B₂C₂D₂，问△A₁B₁C₁与△A₂B₂C₂相似吗？为什么？