2019－2022英语周报高一33答案

6.B“【解析】氢铝化合物中氢元素显负价,性质不稳定,易与水反应生成氢氧化铝和氢气,A项正确;Al2H6的熔点较低,不是离子化合物,不含离子键,B项错误;氢铝化合物可能成为未来的储氢材料和火箭燃料,C项正确;根据化合物中正负化合价代数和为0,ALH2n 2中,3n [-(2n 2)]=0,解得n=2,符合要求,D项正确。

【语篇导读】本文是夹叙夹议文告诉我们远亲不如近邻”的道理8.A【解析】细节理解题。根据第一段 Much moreprobably it is a close female friend calling to tell you thatshe has split up with her boyfriend again or perhaps sim-ply that a good movie has just started.onTv.可知最有可能来自一个朋友,故选A。9.C【解析】细节理解题。根据第三段 TV shows likethis tell us that our romantic relationships may not lastbut we need to keep in touch with our close friends if wewant to survive.可知 TV shows like Friends告诉我们亲密的朋友帮助我们面对生活中的困难。故选C。10.D【解析】推理判断题。根据最后一段 This is trueof Erika and Jane 's friendship. With Erikas family200 miles away, it is Jane who keeps a spare set of keysto Erika's apartment and waters her plants whenevershe is away.可知Bika和Jane在日常生活中互相信任和支持。故选D。解析】推理判断题。纵观全文,特别是最后一My friends have more to do with my life than, my par-ts and, therefore, I don't have to spend a lot of timeexplaining things to them. Friends are more up to dateith what is happening可知远亲不如近邻。故选A。

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