全国100所名校单元测试示范卷高三英语十六套答案

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全国100所名校单元示范卷高三数学十二

13.D【解析】根据题干可知，金砖国家和新兴市场国家在全球经济中占据的地位越来越重要，由此可知，这些国家的经济实力在不断发展，而经济实力意味着这些国家的综合国力也在提升，说明当前世界多极化趋势在增强，D项正确。材料并未体现国际政治经济合作机制的强化，排除A项；发展中国家的发展和美国的实力不是此消彼长的关系，排除B项；C项通过题干无法断定，而且不符合史实，排除。

全国100所名校单元测试卷高二物理答案

One possible version:Dear Peter,It's wonderful that you have won first prize in theChinese Chess Network Challenge Competition as aforeigner.I could hardly wait to expressmy sincerecongratulations to you.In the past few years,you have spent your abundanttime improving your skills.It is your devotion,diligenceand determination that lead to your success.You set a goodexample for me and push me to move forward.As a chesslover,I want to invite you to teach me chess skills in orderto renew my level.Please let me know when you are available.Bestwishes to you.Yours,Li Hua