最新名词性从句知识点总结1

最新名词性从句知识点总结 1一、名词性从句1．—What impresses you most when you visit the Acropolis ? — ________ it is that has brought the grand palace into today's terrible scene.A. Where B. What C. How D. When【答案】 B 【解析】【分析】句意：——当你参观雅典卫城时，你印象最深的是什么？——使我印象最深的是什么将从前雄伟的宫殿变成了今日惨不忍睹的样子。强调句型的特别疑问句式：疑问词（如 what） is it that+其它，本句强调的是什么使得从前雄伟的宫殿蜕变的，所以用表示内容的 what，选 B 【点评】考查主语从句和强调句，本题强调主语从句的引导词。2．It________that the road will be closed tomorrow for repairs. A. was announced B. has been announcedC. had been announced D. would be announced【答案】 B 【解析】【分析】本题考查动词的时态和语态。题干句子中 that 到句子结束是宾语从句，且从句动词用“will＋动词原形”表示将来，由此推断出空白处谓语动词应用现在的某种时态，在所给四个选项中，只有 B 项正确。 【点评】考查现在完成时的被动语态，其结构是 have/has +been +done。需要注意宾语从句的时态。主句用现在时，从句所需的任何时态。3．_______ are playing an important part is well known to us all.A. That who B. Those who C. Who that D. Who【答案】 D 【解析】【分析】考查主语从句。句意：谁起着重要作用，这是众所周知的。主语从句缺少引导词，从句缺少主语，故选 D。4．In the past decade, our education system too much on grades. However, grades have a direct connection with future success is still a question.A. focused; whether B. focused; if C. has focused; whether D. has focused; if【答案】 C 【解析】【分析】考查时态和主语从句。根据 In the past decade,在最近的几十年里，可知句子用现在完成时态，our education system 是句子的主语，单数形式，所以第一空填 has focused；第二空是主语从句做主语，if 是否，不能引导主语从句，所以第二空填 whether。故选 C。【点评】主语从句主要有三类：1）（1）由连词 that 引导的主语从句:引导词 that 无含义,在句中不做成分,不可以省。例如：Th...