2015年2月，著名媒体人柴静发布雾霾调查视频《穹顶之下》，其中谈到“中国的PM2.5（直径小于2.5微米的颗粒），百分之六十来自于燃煤和燃油”，关于“2.5微米及燃煤、燃油的能源名称”，下列选项表达正确的是（　　）

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亚洲与北美洲分界线是（    ）

补全对话
A: You look upset. What’s the____ ?
B: Oh. I had a big fight with my cousin yesterday.
A: Why?
B: She wanted to ____  my homework.
A: It’s not a good habit. She should do her____  homework.. Well, you could call her up and talk about it____ the phone.
B: She was ____ at me and didn’t talk to me.
A: Don’t worry. I think she will get over it.                   
B: I hope so.