2021-2022学年高三核心突破·英语QG(十六)16试题答案

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16.2由题意马=3 (-1)°(n∈N),当n为偶数时,可得=4;当n为奇数时,可得1=2,即数列的偶数项成公比为4的等比数列,奇数项成公比为2的等比数列,∴am an=2×44 2…=2

第一节短文改错【答案】When I first learned to write in English, Imany difficulties. The main problem was n that I alwaysthought in Chinese tried to translate everything intoChinese. My teacher advised me to keep diaies. Ifollowed her advicesHappily it worked. Soon I began toenjoy talking to myself on paper as I was learmng toxpress- in simple English. One day I wrote a shorttory and showed i to my teacher. She liked it verymuch and read it to the class. All said the story was theo me.【答案解析】71.mmn改为ran。考查谓语动词的时态。根据时间状语从句 When I first learned to write in English可知主句的谓语动词用过去式ran72.much改为many。考查可数名词的修饰词.修饰名词复数 difficulties用many73.in去掉。考查介词。that引导表语从句 I alwaysthought in Chinese,表示“主要的问题是…”,所以in去掉。74.but改为and。考查连词。 I always thought inChinese表示“我总是用英语思考”; tried totranslate everything into Chinese“试图把所有的东西翻译成汉语”,两句之间是并列关系,所以用but改为and。75. advices改为 advice。考查名词。 advice是不可数名词,所以不用复数76.tlk改为 talking。考查非谓语动词。 enjoy用动名词 doing做宾语,所以alk改为 talking77.me改为 myself。考查反身代词。和主语I一致,用 express myself表示“表达自己”。78. showed后面加it。考查代词。及物动词show的后面应该有宾语,根据语境加i,代指前面的ashort story79.the改为a。考查冠词。本句表示“所有的人都说这是一个好故事”,表示“一个”用a修饰good one80. greatly改为 great。考查形容词。修饰后面的名词encouragement应该用形容词形式。