W: The air in the city is seriously polluted. M: Yes. I cant even breathe. W: Air pollution endangers our health. M: The government should take steps to solve it. Dialogue 2. W: I cant bear the noise near my house any more. M: Why? Is it that bad? W:...
W: Have you ever heard of human cloning? M: Yes, but human cloning is banned in America. W: I think its a good idea to create cloned babies for the infertile couples. M: Human cloning will lead to a series of ethical problems. Any way I strongly obje...
