【单选题】听力原文:W: I think we should do more to expand our business still further. M: No, to go back to what, I was saying earlier, we really need to think again before making the decision. Q: What does the man ...
【简答题】A.We should drink more hard water. B.We should drink more soft water. C.Ground water is good for the elderly people. D.Ground water has to be treated before we drink it.