专题08主语从句--备战2021年高考英语经典小题考前必刷（新高考专用）

08主语从句 序号 步骤 内容 形式（练习） 1 刷考点 知识精炼 考点 2 刷易错 易错典例 易错点 3 刷能力 强化提升 真题、模拟 ( 刷考点 -- 知识精炼 ) ( 考点 1 )主语从句的连词 1．It is obvious to the students ______ they should get well prepared for their future. A．as B．which C．whether D．that 2．The limits of a person’s intelligence, generally speaking, are fixed at birth, but ______ he reaches these limits will depend on his environment. A．whether B．where C．that D．why 3．It doesn’t matter _________you turn right or left at the crossing ---both roads lead to the park. A．whether B．how C．if D．when 4．________ was most important to her, she told me, was to keep healthy. A．It B．This C．What D．As 5．- We've only got this small bookcase. Will that do? - No, _ _ I am looking for is something much bigger and stronger. A．who B．that C．what D．which 6． I want to tell you is the deep love and respect I have for my parents. A．That B．Which C．Whether D．What 7．________ makes the book so extraordinary is the creative imagination of the writer. A．That B．What C．Who D．Which 8．It has been proved______eating vegetables in childhood helps to protect you against serious illnesses in later life. A．if B．because C．when D．that 9．It is not immediately clear ______ the financial crisis will soon be over. A．since B．what C．when D．whether 10．________ you said at the meeting describes a bright future for the company. A．When B．How C．What D．That 【答案】 1．D 【详解】考查名词性从句。句意：对学生们来说很明显，他们应该为将来做好充分的准备。本题中的it是形式主语，真正的主语是后面的they should get well prepared for their future句子成分齐全，所以使用只起连接作用、无实意的that引导。故D正确。 2．A 【详解】考查主语从句。句意：一般来说，一个人的智力极限在出生时是固定的，但他是否达到这些极限将取决于他所处的环境。A. whether是否；B. where引导名词性从句时，做地点状语；C. that引导名词性从句时，只起连接作用、无实意；D. why引导名词性从句时，做原因状语。通过分析可知，此处是主语从句，且引导词在从句中不作任何成分，但有实际意义，表示“是否”，应该用whether。故选A。 3．A 【解析】考查名词性从句。主语从句，it做形式主语。因为从句的部分是选择性的一般疑问句，所以选择whether。 句意：在十字路口，你是向右拐还是向左拐都没有关系——两条路都到公园。 4．C 【详解】考查主语从句连接词。句意：她告诉我说于她而言最重要的是保持健康。she told me是插入语，不影响整个句式的表达，句子中的谓语是（was to keep healthy），空格处表示“所……的”，在主语从句中作主语，用what。故选C。 5．C 【解析】此处what I am looking for是主语从句，