【简答题】The most intensive period of speech and language development for humans is during the first three years of life, a period when the brain is developing and maturing. These skills appear to develop best...
【单选题】听力原文:M: I saw Jason yesterday.He invited us to dinner tonight. W: That's so nice.But I really don't know him and besides,I have so much work to do. Q: What does the woman mean? (19)