20252025年名词性从句综合分类解析

2025-2025 年名词性从句综合分类解析一、名词性从句1．We believe ________ you have been devoted to ________ naturally of great necessity. A. that; being B. all that; be C. that all; are D. what; is【答案】 D 【解析】【分析】句意：我们信任你所投入的当然是非常必要的。分析句子可知， believe后接宾语从句，宾语从句中 you have been devoted to 缺少宾语，表示事物故用 what；what you have been devoted to 为主语，从句作主语，谓语动词用单数，故选 D。 【点评】考查名词性从句和主谓一致，本题涉及 what 引导的主语从句和一般现在时。2．It has been pointed out ________ plays a vital role in driving away one's anxiety is one's sweet childhood memories. A. what that B. which C. that D. that what【答案】 D 【解析】【分析】句意：有人指出，驱除焦虑所起着至关重要的作用是童年美好的回忆。本句时一个主语从句，it 作形式主语，真正的主语为 that what plays a vital role in driving away one's anxiety is one's sweet childhood memories.，主语从句中又有一个主语从句，且此主语从句中缺少主语，所以用 what 引导。故选 D。 【点评】考查名词性从句，本题涉及 what 引导的主语从句。3．________ is known to us all that the old scientist, for ________ life was hard in the past, still works hard in his eighties. A. As; whose B. It; whose C. As; whom D. It; whom【答案】 D 【解析】【分析】句意：我们都知道，那位老科学家，过去生活很艰苦，到了八十多岁还在努力工作。第一空 it is known to us all that…是个固定句型，意为“众所周知…”；第二空为介词+关系代词引导的定语从句，先行词 the old scientist 指人，作介词 for 的宾语，只能用 whom，故选 D。 【点评】考查名词性从句和定语从句，本题涉及固定句式 it is known to us all that…和 whom引导的限制性定语从句。4．Some people believe _______ has happened before or is happening now will repeat itself in the future. A. whatever B. whenever C. wherever D. no matter what【答案】 A 【解析】【分析】句意：一些人认...