20252025年名词性从句知识点总结(2)

2025-2025 年名词性从句知识点总结(2)一、名词性从句1．________ his failure lies is expected ________ clear to us. A. What… to make B. How… made C. Where… to be made D. Why… making【答案】C 【解析】【分析】句意：他的失败之处有可能被我们弄清楚。分析句子可知，主语从句中的 lie 为不及物动词，所以主句中缺少状语，因此填 where。expect sth.to do.固定短语，“期望某事发生”，sth. be expected to do.意为”某事有可能发生“。make sth. clear to sb为固定搭配，意为“向某人阐明某事，使某人弄清某事”。本句中 make 的宾语是 where his failure lies 是被弄清楚，要用动词不定式的被动形式。因此选 C。【点评】考查名词性从句及固定搭配，本题涉及主语从句和固定短语 expect sth.to do. 2 ． is even more important is the earth cooled down, water began to appear on its surface.A. When; that; when B. What; whether; as C. What; that; as D. lt; whether; as【答案】 C 【解析】【分析】这题考查从句的用法，第一空填 what 引导主语从句，在主语从句中what 做主语，第二空填 that 引导表语从句，在表语从句中，as 是引导时间状语从句，句意是：甚至更重要的是：随着地球的冷却，水开始出现在表面。选 C。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...