题目

 “一带一路”沿线的国家在土地、资源、劳动力、技术等方面各有所长，形成强烈互补。假设a国和b国是“一带一路”沿线的两个国家，不考虑其他因素，两国充分发挥各自的比较优势，进行分工与贸易，据此可以推断（   ） 国家葡萄酒毛呢产量（单位）劳动人数产量（单位）劳动人数 a国11101120 b国11201130 ①a国出口葡萄酒比毛呢优势大     ②a国出口毛呢与出口葡萄酒的优势一样大 ③b国出口毛呢比葡萄酒优势大     ④b国成本高于a国，其出假设你叫李明，收到美国中学生Emily的邮件，请给她回复并谈谈你的看法。Dear Li Ming, It’s a long time since we last met. I have joined a club called “Green Earth”. I plan to make a speech about saving，for some people often waste things, like water, food and energy. You always have great ideas. Could you please choose one from the three and tell me what people should do in everyday life? I am looking forward to your reply.Yours,Emily Dear Emily, Thank you for your letter.___________________________________________________________________________________________________________________________________Yours,Li Ming