参考答案:Certain species disappeared or became extinct as new forms arose that were better adapted to the Earth’s changing environment．/．．．when new forms arose that were better adapted to the Earth’s changing environment． 答案解析:[译文] 一些物种消失或灭绝，是由于产生了新的物种形式，它们可以更好地适应当时不断变化的地球环境。
第10题: [单项选择]What does the man mean A. Buy the ticket. B. See a movie. C. Invite a friend. 参考答案:B 答案解析:[听力原文] M: Will you see a film at People’s Cinema on Saturday W: Yes. I’ve already got the tic
