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词汇exist的重要搭配知识点考点聚焦 【原句呈现】Though he has never met any aliens, he believes they do exist.(查一查字典“exist”的词性变化) 【考点聚焦】 ①Didn’t it ever occur to you that such possibilities still existed? 你有没有想起这样的可能性仍然存在呢？ ②They can’t exist on the money he’s earning.他们靠他挣的那点钱无法生存。 ③The problem only exists in your head.这个问题不过是你的想象。 ④The existing system needs to be changed.现有的体系需要改革。 ⑤Please tell me when the Great Wall came into existence.请告诉我长城是什么时候开始形成的。 ⑥This is the oldest wooden building in existence.这是现存的最古老的木建筑。 exist vi.存在→existence n.存在→existing adj.现存的，现行的 exist in在于，起因于 exist on靠……为生/生存 come into existence开始存在，形成，成立 in existence 实际存在的，现存(有)的 There exists/existed ... 有……，存在着…… There used to exist(过去常常)有……/存在着……【考题研读】单项选择题 ①The worker earned little money a month, so he had to _______ only fast noodles. A. exist on B. exist in C. lie in D. lie on 【答案与解析】A。句意：这个工人一个月挣的钱很少，因此不得不靠方便面度日。 exist on靠……生存；exist in存在于……中；lie in在于……；位于……；lie on与……接壤。 ②_______ a certain doubt among the students as to the necessity of the work. A. It existed B. There existed C. They had D. There had 【答案与解析】B。在here，there引出的倒装句中，当主语是普通名词时用完全倒装，当主语是代词时，就要用部分倒装。题干中doubt是个普通名词，所以要完全倒装，将实义动词exist提到主语的前面。句意：关于这个工作的必要性，学生中存有一定的疑问。 ③―How long has the United Nations _______? ―______1945. A. come into existence; In B. been in existence; Since C. been in existence; From D. come into existence; For 【答案与解析】B。因为和how long连用，要表示状态的动词be in existence，come into existence是短暂动词，不能和表示一段时间连用，第二空填since，可以和现在完成时连用。选B。句意：“联合国成立多长时间了？”“从1945开始至今。” ④As regards environmental issues, the government will enforce _______ regulations. A. exciting B. expecting C. explaining D. existing 【答案与解析】D。此处句意：关于环境问题，政府将执行现行条例。existing adj.现存的，现行的。 第三层次： ________, it is too cold. Besides, we have no money. A. Beginning with B. To begin with C. Having begun with D. Begun with ________ travel, have you ever been to Beijing? A. Spoken of B. To speak of C. Speaking of D. Having spoken of Frankly ________, I don’t like the job. A. spoken B. having spoken C. to speak D. speaking ________ his age, the child reads well . A. Considered B. Considering C. To consider D. Having considered ________, I don’t think we have a chance of winning. A. To be honest B. Having been honest C. Being honest D. Been honest 
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