题目内容
[音频]2) Yeah, that’s one theory. Another idea is that they ___1______.
查看答案
搜索结果不匹配？点我反馈
更多问题
[音频]3) And you know, there’s even a theory that they __________ from outer space.
[音频]1. Listen to the dialogue for the main ideas and answer the following questions.1) What are the possible reasons why dinosaurs disappeared?
[音频]2) Does the man believe in the theory of alien invasion?
以下（）目录内所列化学品必须由指导教师签字领用，使用时需要记录《危险化学品使用台账》。
微信支付 
支付宝支付