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28.(14分)([文]1)CO(g)+3[章]H2(g)CH3O[来]H(g)+HOg)[自]MH=-49.2 kJ. mol(2分,方程[知]式完全正确得1分,[嘛]焓变正确得1分)([答]2)AC(2分,选[案]对1个给1分,见错[网]不给分)(3)①C[文]O2会与生成的H2[章]反应,所以转化率更[来]高(1分,其它合理[自]答案也算正确)②0[知].06(2分)(4[嘛])6.5(2分)([答]5)①阴极(1分)[案]②4CH4-6c+[网]302=C2H6+[文]C2H4+3H2O[章](2分)③15.6[来]8(2分)
本文是一篇应用文。[自]文章主要介绍了四位[知]在平凡的岗位上做出[嘛]了不平凡贡献的劳动[答]模范【答案与解析】[案]21.B细节理解题[网]。根据 Li Denghai一节[文]中“ Li was recognize[章]d for his breakthro[来]ughs in cross-bre[自]eding high-yiel[知]dwheat.”可[嘛]知, Li Denghai是因[答]为他在农业方面的成[案]就受到表彰的。22[网].C细节理解题。根[文]据 Lyu Qiming-节中[章]“ln1965 he was asked to compose The Ode to the Red Flag,whic[来]h was first performed[自].. in the same year.”可知,[知]该曲目是在1965[嘛]年首演的23.D推[答]理判断题。根据 Zhang Guimei一节中[案]“. where most girls dropped out of school as their familiesb[网]elieved that it was useless for girls to receive higher education[文].”可推断,她们的[章]家庭都很轻视女孩
