强调句型的基本结构为It is/was+被强调成分+that/who+其它成分；其最大的特点就是去掉it is/was…that/who…句子仍然成立。但要注意强调句型能强调除谓语动词以外的所有的句子成分。分析句子可知，本句中去掉强调句型的结构后句子完整。故第二个空是that，故选C。
【点评】考查强调句型，掌握其结构It is/was+被强调成分+that/who+其它成分。
22．It was the training ____________ he had as a teenager _________ made him such a good engineer.
A. that; that B. what; that C. that; who D. that; which 【答案】 A
【解析】【分析】句意：句意：就是他在年轻的时候接受的训练使他成为一个这么好的工程师。第一空填which/that，引导定语从句，修饰the training，在定语从句中作宾语，第二空填that，使用了强调句，强调的是the training _____ he had as a young man，所以选A。
【点评】考查定语从句和强调句型，本题涉及which/that引导的限制性定语从句，掌握强调句型的结构“It is+被强调部分+that+其它部分”。
23．It's not until mid-night ______ the baby stopped crying.
A. when B. that C. which D. while 【答案】 B
【解析】【分析】句意：直到半夜，婴儿才停止哭泣。此句式not .....until.....句式的强调句型，即“It is/was not until...that...”，故选B。
【点评】考查强调句型，本题涉及not .....until.....句式的强调句型。
24．It was when we were returning home _____ I realized what a good feeling it was to have helped someone in trouble.
A. that B. which C. how D. where 【答案】 A
【解析】【分析】句意：就在我回家的时候，我才意识到帮助处于困境中的人是一种多么美好的感觉。强调句型的基本结构是：It is/was+被强调成分+that/who+其他成分；本句强调的是时间状语从句when we were returning home，所以选A。
【点评】考查强调句型，掌握其结构It is/was+被强调成分+that/who+其他成分。
25．I don't know everyone in my class thinks I am funny.
A. why it is that B. why is it which C. who is it which D. who it is which 【答案】 A
【解析】【分析】句意：我不知道为什么班级每个人都认为我好玩。本题考查特殊疑问句的疑问形式why it is that，同时这是一个强调句型。故选A。
【点评】考查宾语从句以及强调句型。
26．It ______ not until she came back ______ Jane realized that she had lost her ID card.
A. is, that B. was, who C. was, that D. is, who 【答案】 C
【解析】【分析】句意：直到到了家，简才发现她的身份证丢了。英语中not和until只能在两种情况下紧挨着出现：①强调句型It is/was not until…that…；②倒装句型Not until…。在其他情况一律用not…until…分析句子结构可知，此处为强调句，又因句子使用了一般现在时和过去完成时可知，此处应使用was。故选C。
【点评】考查强调句及时态，掌握not…until…的强调句式和一般过去时。
27．It was only after he had read the papers Mr. Gross realized the task was extremely difficult to complete.
A. that B. when C. which D. what 【答案】 A
【解析】【分析】句意：直到他看完这些文件，格罗斯先生才意识到这项任务极其艰巨。强调句结构为：It is/was +被强调部分+that/who +句子其他部分。本题强调状语only after he had read the papers。故选A。
【点评】考查强调句，掌握其结构“It is/was +被强调部分+that/who +句子其他部分”。
28．Some great people said it was their primary school teachers and their lessons _______ they were fond of ________ influenced their whole lives.
A. which; that B. that; which C. which; which D. that; that 【答案】 D
【解析】【分析】句意：一些伟人说，是他们喜欢的小学老师和课程影响了他们的一生。第一个that引导定语从句，修饰先行词primary school teachers 和lessons，且在从句中作fond of的宾语；第二个that是强调句型it is/was…that…中的引导词that，被强调对象是句子的主语their primary school teachers and their lessons that they were fond of.故选D。 【点评】考查定语从句和强调句型，本题涉及that引导的限制性定语从句。
29．It is Russia ________ will hold the 2018 World Cup.
A. that B. which C. where D. when 【答案】 A
【解析】【分析】句意：俄罗斯将主办2018年世界杯。本句为强调句，结构为：it is/was +被强调的部分+that从句，故应选A。
【点评】考查强调句，掌握其结构“it is/was +被强调的部分+that从句”。
30．It is in the little farm my mother used to work I spent my whole childhood. A. what; that B. which; that C. where; that D. where; where 【答案】 C
【解析】【分析】句意：就是在我母亲工作的那个小农场里，我度过了我的整个童年。 第一个空是定语从句中的先行词，the little farm 被一个定语从句修饰， the litte farm是先行词，在从句中作状语，如放在从句中应该是 my mother used to work in the farm。因此，要用in which或where。第二个空是一个强调句型，强调句型It is +被强调部分+that+剩余。去掉it is that句子完整，因此第二个空填that。在本句中强调我就是在我母亲工作的那个小农场度过我的整个童年。故选C。
【点评】考查强调句型及定语从句，本题涉及关系副词where引导的限制性定语从句的应用。
(英语)英语强调句专项习题及答案解析
