2020届高三英语精准培优专练培优点七定语从句一、真题在线1.【2019·江苏·单项选择】We have entered into an age _______ dreams have the best chance of coming true.A. whichB. whatC. whenD. that【答案】C【解析】考查定语从句。

句意：我们已经进入到了一个时代，在这个时代梦想实现的机会最大。

句中先行词为“an age”（一个时代），且先行词在从句中作时间状语，所以关系词用when。

故选C。

2.【2018·江苏·单项选择】Self-driving is an area_______ China and the rest of the world are on the same starting line.A. thatB. whereC. whichD. when【答案】B【解析】考查定语从句。

句意：无人驾驶是一个新领域，在这个领域里中国和世界其它国家在同一起跑线上。

句中先行词为“area”，在从句中作地点状语，故用关系副词where，相当于in which。

故选B。

3.【2019·天津·单项选择】Their child is at the stage ________ she can say individual words but not full sentences.A. whyB. whereC. whichD. what【答案】B【解析】考查定语从句。

句意：他们的孩子正处于能说单个单词而不能说完整句子的阶段。

句中“she can sayindividual words but not full sentences”是一个定语从句，先行词是“the stage”，关系词在定语从句中作地点状语，用关系副词where，故选B。

4.【2018·天津·单项选择】Kate, _____ sister I shared a room with when we were at college, has gone to work in Australia.A. whomB. thatC. whoseD. her【答案】C【解析】这是一个复合句，主句是“Kate has gone to work in Australia”，从句是“_____ sister I shared a roomwith when we were at college”，从句修饰“Kate”，是定语从句，关系词在从句中作定语，修饰“sister”，故用whose。

5.【2018·北京·单项选择】She and her family bicycle to work, _________ helps them keep fit.A. whichB. whoC. asD. that【答案】A【解析】考查非限制性定语从句。

句意：她和家人骑自行车去上班，这有助于她们保持健康。

“ helps them keep fit”是非限制性定语从句，该从句修饰整个主句，引导词在从句中做主语，故该从句应用关系代词which引导。

A选项正确。

6.【2019·浙江·语法填空】On the edge of the jacket, there is a piece of cloth __________ gives off light in the dark.【答案】that/which【解析】考查定语从句。

这是个限制性定语从句，先行词是“cloth”，指物，从句中缺少主语，因此，可以用that或which引导。

故填that/which。

7.【2019·全国II·语法填空】Now Irene Astbury works from 9 am to 5 pm daily at the pet shop in Macclesfield, __________ she opened with her late husband Les.【答案】which【解析】考查非限制性定语从句。

分析句子结构可知，先行词为“the pet shop”，在非限制性定语从句中作“opened”一词的宾语，故用which。

8.【2019·全国III·语法填空】They were well trained by their masters __________ had great experience with caring for these animals.【答案】who【解析】考查定语从句。

句意：它们被主人训练的很好，这些主人在照顾这些动物方面很有经验。

先行词为“masters”（主人），且从句缺主语。

故关系词填who。

9.【2019·全国I·改错】One afternoon where I was in primary school, I was walking by the school playground.【答案】where→when【解析】考查定语从句。

本句是含有定语从句的复合句，先行词是“one afternoon”，关系副词在定语从句中作时间状语，所以此处应用表示时间的“when”。

故将where改为when。

10.【2019·全国III·改错】In the cafe, customers will enjoy themselves in the historical environment what is created for them.【答案】what→that/which【解析】考查定语从句。

先行词“environment”在从句中作主语，指物，关系代词用that/which。

故把what改为that/which。

二、对点专练一、单项填空1. I slipped into the professor’s room quietly, on ______ wall there was a big slogan saying “Learn for a Stronger China”.A. whereB. which【答案】C【解析】考查定语从句。

句意：我悄悄地溜进教授的房间，他的墙上挂着一条大标语，上面写着“为一个更强大的中国而学习”。

“on ______ wall there was a big slogan saying ‘Learn for a Stronger China’.”是一个定语从句，先行词是“the professor’s room”，关系词在从句中作定语，故选C。

2. I’m very grateful to my high school teachers, without _____________help I wouldn’t be so excellent.A. theirB. whomC. whoseD. which【答案】C【解析】考查介词+关系代词引导的定语从句。

句意：我非常感谢我的高中老师，没有他们的帮助，我不会这么优秀。

“without _____________help I wouldn’t be so excellent.”是一个定语从句，先行词是“my high school teachers”，关系词在从句中作定语，故选C。

3. The people in Syria have been looking forward to the day ________ the conflict will end.A. whenB. whichC. whereD. that【答案】A【解析】考查定语从句。

句意：叙利亚人民一直期待着冲突结束的那一天。

此处为定语从句，先行词为“the day”，从句中缺少时间状语，故A项正确。

4. — When did you get to know your girlfriend?— It was in 2015 ________ she was working as a volunteer in Africa.A. thatB. which【答案】C【解析】考查定语从句连接词。

句意：——你什么时候认识你女朋友的？——是在2015年她到非洲做志愿者的时候认识的。

本句为定语从句修饰先行词“2015”，且先行词在从句中做时间状语，故用关系副词when。

故选C。

5. It’s strongly advised that smokers not be allowed to smoke in any room ________ babies currently occupy.A. whereB. whoseC. thatD. as【答案】C【解析】考查定语从句。

句意：强烈建议不允许吸烟者在婴儿目前占用的任何房间吸烟。

“________ babies currently occupy.”是一个定语从句，先行词是“any room”，关系词在从句中作宾语，指物，故选C。

6. As is expected, AI is an area _______ China may appear as a leading force.A. thatB. whereC. whichD. when【答案】B【解析】考查定语从句。

句意：正如所预料的那样，人工智能是一个中国可能成为领先者的领域。

本题定语从句的先行词是“an area”，定语从句“China may appear as a leading force”的结构很完整，应该使用关系副词引导，排除AC项；关系副词“when”指代的先行词通常指时间，本句中“an area”指“领域”，表示抽象含义，所以使用关系副词“where”表示“在…领域”的抽象含义。

故B项正确。

7. He wrote a letter ________ he explained what had happened in the accident.A. thatB. whichC. whereD. what【答案】C【解析】考查定语从句。

句意：他写了一封信。

在信里，他解释了事故中发生的一切。

分析句子结构可知，“_____ he explained what had happened in the accident”是定语从句，修饰“a letter”，关系词在从句中作地点状语，应用关系副词where引导该从句。

C选项正确。

8. Many teachers like surfing the Internet, ________ they may find a lot of useful videos about teaching.A. whichB. whereC. whenD. that【答案】B【解析】考查定语从句。