Unit 4 Heroes 语法Grammar 定语从句（1）-2026-2027学年九年级英语上册单元练习（外研版）

学校:___________姓名：___________班级：___________考号：___________ Unit 4 Heroes 定语从句（1） （时间：60分钟，满分：100分） 在句子中起定语作用，修饰主句中的某一名词或代词的句子称为定语从句 被定语从句修饰的名词、代词称为先行词；引导定语从句的词称为关系词（考点：关系词） 关系代词（在定从中充当主语或宾语，作宾语时可省略） 关系代词 先行词 充当成分 例句 who 人 主语、宾语 The boy who is in the office is my brother. whom 人 宾语 The man whom they are talking with is Jack. that 人/物 主语、宾语 This is the dress that I bought yesterday. which 物 主语、宾语 I like the dress which is beautiful. 【注意】 ①介词后面用 whom 或 which，且不能省略；②先行词既指人又指物只能用 that 一、单项选择(本大题共30小题，每小题2分，共60分) 1．A good friend is someone ________ makes you laugh. A．which B．who C．whom D．what 2．—Do you know the boy ________ is reading a book over there? —Yes, he is my brother. A．who B．which C．whom D．whose 3．Miss Wang is a teacher ________ is patient with her students. A．which B．who C．what D．whose 4．The man ________ is talking to our teacher is my father. A．which B．whose C．whom D．who 5．We should help people ________ are in trouble. A．who B．which C．what D．where 6．Those ________ take action to protect wildlife are our role models. A．which B．who C．what D．where 7．Do you know the boy ________ is picking up plastic on the beach? A．who B．which C．whose D．when 8．The girl ________ is wearing a red dress is my cousin. She is very good at English. A．which B．whom C．who D．whose 9．Most students like the teachers ________ can make classes lively and interesting. A．which B．who C．what D．whom 10．—Do you know the girl ________ is standing under the tree? —Yes, she is my classmate, Lily. A．who B．which C．whose D．whom 11．The workers ________ we visited work for a rubbish recycling centre. A．which B．who C．what D．where 12．The people ________ are working to clean the park are environmental volunteers. A．which B．whom C．who D．when 13．The cleaner ________ cleans the street every day is very hard-working. A．what B．which C．who D．whose 14．The man ________ works for Oxfam is very helpful. A．who B．which C．what D．whose 15．Sun Yingsha is the player ________ achieved a historic World Cup three-peat in Macao in 2026 A．when B．who C．which 16．Lu Xun is the writer ________ fought against the enemy with his pen. A．which B．who C．whom 17．The students ________ are interested in science can join the school science club. A．which B．who C．whom 18．The boy ________ broke the school sports record is my cousin, a talented runner. A．which B．who C．whom D．whose 19．Lu Xun was a famous writer ________ wrote many great books. A．which B．who C．what D．when 20．Yu Yi, a great teacher ________ has devoted all her life to education, died on March 14, 2026. A．who B．which C．what 21．It’s hard to say goodbye to the teachers ________ have spent the past three years with us. A．which B．who C．what 22．The three astronauts ________ were sent into space by Shenzhou-21 on October 31, 2025 are true heroes of our country. A．who B．which C．where 23．I like the movie star ________ is kind and always helps people in need. A．which B．who C．whom D．whose 24．I will remember the important people _______ helped and supported me in my life forever. A．who B．what C．why D．when 25．The actor ________ read the poem Thoughts in the Silent Night by Li Bai is my neighbour. A．who B．which C．不填 D．whose 26．The girl ________ is wearing a red dress is my sister. A．who B．which C．whose D．whom 27．The man ________ wears a blue coat is our new teacher. A．which B．whose C．who D．whom 28．—Do you know the girl ________ is helping the old woman? —Oh, that’s my sister. A．whom B．whose C．who D．when 29．He is the man ________ I saw yesterday. A．where B．what C．who D．why 30．—What do you think of the new teacher ________ came to teach you English last week? —She is so kind and warm-hearted and she teaches very well. A．who B．whom C．which 二、单词拼写(本大题共10小题，每小题4分，共40分) 31．The girl ________ is reading is my cousin. 32．My uncle has a son ________ is twelve years old. 33．Those ________ break the law will be severely punished. 34．The runner ________ you are asking about is over there. 35．The boy ________ made a speech just now is my best friend. 36．We should be thankful to those ________ help us when we are in trouble. 37．A true friend is a person ______ will always be there to share your laughter and tears. 38．—Do you know the boy ________ got first prize in the talent show? —Of course. He’s my new neighbor. 39．—Do you know the girl ________ is talking to the headmaster over there? —Of course. She is my sister. 40．—Do you know Zhang Guimei? —Yes, of course. She is the woman ________ is fighting for girls’ education in China. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $ 学校:___________姓名：___________班级：___________考号：___________ Unit 4 Heroes 定语从句（1） （时间：60分钟，满分：100分） 在句子中起定语作用，修饰主句中的某一名词或代词的句子称为定语从句 被定语从句修饰的名词、代词称为先行词；引导定语从句的词称为关系词（考点：关系词） 关系代词（在定从中充当主语或宾语，作宾语时可省略） 关系代词 先行词 充当成分 例句 who 人 主语、宾语 The boy who is in the office is my brother. whom 人 宾语 The man whom they are talking with is Jack. that 人/物 主语、宾语 This is the dress that I bought yesterday. which 物 主语、宾语 I like the dress which is beautiful. 【注意】 ①介词后面用 whom 或 which，且不能省略；②先行词既指人又指物只能用 that 一、单项选择(本大题共30小题，每小题2分，共60分) 1．A good friend is someone ________ makes you laugh. A．which B．who C．whom D．what 【答案】B 【详解】句意：好朋友是让你笑的人。 which哪一个/那个（指物）；who谁（指人，主格）；whom谁（指人，宾格）；what什么。定语从句修饰先行词“someone”，指人，且关系代词在从句中作主语，应用who，符合语境。 2．—Do you know the boy ________ is reading a book over there? —Yes, he is my brother. A．who B．which C．whom D．whose 【答案】A 【详解】句意：——你认识那边正在读书的那个男孩吗？——是的，他是我的兄弟。 who谁（主格）；which哪一个（指物）；whom谁（宾格）；whose谁的。分析句子结构可知，先行词the boy指人，且在从句中作主语，应用who引导定语从句。故填who。 3．Miss Wang is a teacher ________ is patient with her students. A．which B．who C．what D．whose 【答案】B 【详解】句意：王老师是一位对学生有耐心的老师。 先行词“a teacher”指人，在从句中作主语，应用关系代词who引导定语从句。which指物；what不能引导定语从句；whose在从句中作定语（表所属关系）。 4．The man ________ is talking to our teacher is my father. A．which B．whose C．whom D．who 【答案】D 【详解】句意：正在和我们老师说话的那个男人是我的父亲。 which哪个（指物）；whose谁的；whom谁（宾格）；who谁（主格）。先行词“The man”指人，且在定语从句中充当主语，因此用关系代词who来引导。 5．We should help people ________ are in trouble. A．who B．which C．what D．where 【答案】A 【详解】句意：我们应该帮助那些陷入困境的人。 who谁（指人）；which哪个（指物）；what什么；where哪里。该句先行词是people，指人，且引导词在从句中作主语，应用who来引导。 6．Those ________ take action to protect wildlife are our role models. A．which B．who C．what D．where 【答案】B 【详解】句意：那些采取行动保护野生动物的人是我们的榜样。 which哪一个；who谁；what什么；where在哪里。先行词是Those，指代人，且在从句中作主语，应用who引导定语从句。 7．Do you know the boy ________ is picking up plastic on the beach? A．who B．which C．whose D．when 【答案】A 【详解】句意：你认识那个正在海滩上捡拾塑料垃圾的男孩吗？ who谁，通常用来引导定语从句，且先行词为人；which哪一个，通常用来引导定语从句，且先行词为物；whose谁的，通常用来引导定语从句，表示所属关系；when什么时候，通常用于修饰表时间的先行词。根据句子结构可知，这是一个定语从句，修饰先行词“the boy”，且关系词在从句中作主语，应选用关系代词who。 8．The girl ________ is wearing a red dress is my cousin. She is very good at English. A．which B．whom C．who D．whose 【答案】C 【详解】句意：那个穿着红裙子的女孩是我的表妹。她非常擅长英语。 which哪一个（指物）；whom谁（指人，宾格）；who谁（指人，主格）；whose谁的（表所属）。此句为定语从句，先行词The girl指人，且关系代词在从句中作主语，应用who。 9．Most students like the teachers ________ can make classes lively and interesting. A．which B．who C．what D．whom 【答案】B 【详解】句意：大多数学生喜欢能让课堂变得生动有趣的老师。 which哪一个（指物）；who谁（指人）；what什么(不能引导定语从句)；whom谁（宾格）。分析句子可知，此处为定语从句，先行词为“the teachers”，指人，在定语从句中作主语，应用关系代词who。 10．—Do you know the girl ________ is standing under the tree? —Yes, she is my classmate, Lily. A．who B．which C．whose D．whom 【答案】A 【详解】句意：——你认识那个正站在树下的女孩吗？——是的，她是我的同学，莉莉。 who 谁 作主语；which 哪一个 指物；whose 谁的；whom 谁 作宾语。根据the girl可知先行词指人，且从句中缺少主语，所以用who，应选who。 11．The workers ________ we visited work for a rubbish recycling centre. A．which B．who C．what D．where 【答案】B 【详解】句意：我们拜访的这些工人，就职于一家垃圾回收中心。 which指代物；who指代人；what不引导定语从句；where关系副词，表示地点。句中先行词是“ The workers”，应选用指代人的关系代词who，在句中作宾语。 12．The people ________ are working to clean the park are environmental volunteers. A．which B．whom C．who D．when 【答案】C 【详解】句意：正在打扫公园的是环保志愿者。 which定语从句中指代事物（作主语或宾语）；whom定语从句中指代人（作宾语）；who定语从句中指代人（作主语）；when定语从句中充当时间状语。句中先行词“The people”是人，并且定语从句中缺少主语，应填who。 13．The cleaner ________ cleans the street every day is very hard-working. A．what B．which C．who D．whose 【答案】C 【详解】句意：每天打扫街道的那位清洁工非常勤勉。 what什么；which哪一个；who谁；whose谁的。根据先行词“The cleaner”指人，且在从句中作主语，可知应用who引导定语从句。 14．The man ________ works for Oxfam is very helpful. A．who B．which C．what D．whose 【答案】A 【详解】句意：那个为乐施会工作的男人非常乐于助人。 “...works for Oxfam”是限制性定语从句，先行词是“The man”，指人，且在从句中作主语，应用who引导定语从句。 15．Sun Yingsha is the player ________ achieved a historic World Cup three-peat in Macao in 2026 A．when B．who C．which 【答案】B 【详解】句意：孙颖莎是那位在 2026 年澳门实现了历史性的世界杯三连冠的选手。 when什么时候；who谁；which哪一个。先行词是“the player”，指人，且关系词在从句中作主语，应使用who引导定语从句。 16．Lu Xun is the writer ________ fought against the enemy with his pen. A．which B．who C．whom 【答案】B 【详解】句意：鲁迅是一位用笔和敌人作斗争的作家。 which哪一个，通常引导定语从句时指物；who谁，引导定语从句时指人，在从句中作主语；whom谁，引导定语从句时指人，在从句中作宾语。分析句子结构可知，此句是定语从句，先行词“the writer”指人，且在从句中作主语，应填who。 17．The students ________ are interested in science can join the school science club. A．which B．who C．whom 【答案】B 【详解】句意：对科学感兴趣的学生可以加入学校科学俱乐部。 which在定语从句中作主语或宾语，指物；who在定语从句中作主语，指人；whom在定语从句中作宾语，指人。先行词为“The students（学生们）”，指人，且关系词在从句“are interested in science”中充当主语，故选用who。 18．The boy ________ broke the school sports record is my cousin, a talented runner. A．which B．who C．whom D．whose 【答案】B 【详解】句意：那个打破了学校体育记录的男孩是我的表亲，一位有天赋的跑步者。 which指物；who指人，作主语；whom指人，作宾语；whose表所属。分析句子结构可知，先行词是“The boy”，指人，且在从句中作主语，应用who引导。 19．Lu Xun was a famous writer ________ wrote many great books. A．which B．who C．what D．when 【答案】B 【详解】句意：鲁迅是一位著名的作家，他写了许多伟大的书。 which指物；who指人；what什么；when指时间。先行词是writer，指人，且在从句中作主语，应用who引导。 20．Yu Yi, a great teacher ________ has devoted all her life to education, died on March 14, 2026. A．who B．which C．what 【答案】A 【详解】句意：于漪，一位把她的一生都奉献给教育的伟大老师，于2026年3月14日去世。 who谁，指人；which哪一个，指物；what什么，不引导定语从句。先行词是“a great teacher”，指人，且在从句中作主语，故用who。 21．It’s hard to say goodbye to the teachers ________ have spent the past three years with us. A．which B．who C．what 【答案】B 【详解】句意：很难向那些过去三年和我们一起度过的老师们说再见。 which哪一个，指物；who谁，指人；what什么。先行词“teachers”指人，且在从句中作主语，需用关系代词who引导定语从句。 22．The three astronauts ________ were sent into space by Shenzhou-21 on October 31, 2025 are true heroes of our country. A．who B．which C．where 【答案】A 【详解】句意：2025年10月31日由神舟二十一号送入太空的三名宇航员是我们国家的真正英雄。 who谁（指人）；which哪一个（指物）；where在哪里（指地点）。先行词是“The three astronauts”，指人，且关系词在从句中作主语，应用who引导定语从句。 23．I like the movie star ________ is kind and always helps people in need. A．which B．who C．whom D．whose 【答案】B 【详解】句意：我喜欢那位善良且总是帮助有需要的人的电影明星。 which哪个，指物；who谁，指人，作主语或宾语；whom谁，指人，作宾语；whose谁的，指所属关系。先行词“the movie star”指人，关系代词在定语从句中作主语，因此应用who。 24．I will remember the important people _______ helped and supported me in my life forever. A．who B．what C．why D．when 【答案】A 【详解】句意：我将永远记得那些在我人生中帮助和支持过我的重要的人。 考查定语从句关系词辨析。who指代人(在定语从句中作主语或宾语)；what通常指事物或在名词性从句中作成分，不能指代人；why表示原因(在定语从句中作原因状语)；when表示时间(在定语从句中作时间状语)。“helped and supported me in my life forever”是一个缺少主语的从句，修饰“people”，先行词指人且在从句中作主语，应使用关系代词who。故选A。 25．The actor ________ read the poem Thoughts in the Silent Night by Li Bai is my neighbour. A．who B．which C．不填 D．whose 【答案】A 【详解】句意：那位朗诵李白《静夜思》的演员是我的邻居。 考查定语从句关系代词的用法。who谁（指人）；which哪个（指物）；不填（关系代词省略）；whose谁的（表示所属关系）。在这个句子中，“…read the poem Thoughts in the Silent Night by Li Bai”是一个定语从句，用来修饰先行词“The actor”，表示“读《静夜思》的演员”，在这个定语从句中，缺少一个关系词来引导从句，并指代先行词“The actor”在从句中作主语，who符合。故选A。 26．The girl ________ is wearing a red dress is my sister. A．who B．which C．whose D．whom 【答案】A 【详解】句意：穿着红色连衣裙的那个女孩是我的姐姐。 考查关系代词辨析。who指代人，作主语或宾语；which指代物；whose表示所属关系；whom指代人，作宾语。根据“The girl…is wearing a red dress”可知，先行词是girl，且关系代词在从句中作主语，需用who。故选A。 27．The man ________ wears a blue coat is our new teacher. A．which B．whose C．who D．whom 【答案】C 【详解】句意：穿蓝色外套的那个男人是我们的新老师。 考查定语从句的关系代词。根据“The man...wears a blue coat is our new teacher.”可知，空白处需填入关系代词引导定语从句修饰the man，且在从句中作主语。which指物，不指人；whose表示所有格，不能作主语；whom是宾格，只能作宾语，不能作主语；who指人，在定语从句中作主语，符合句意。故选C。 28．—Do you know the girl ________ is helping the old woman? —Oh, that’s my sister. A．whom B．whose C．who D．when 【答案】C 【详解】句意：——你认识正在帮助那位老太太的女孩吗？——啊，那是我姐姐。 考查定语从句关系代词的用法。whom谁（宾格）；whose谁的；who谁（主格）；when什么时候。根据“… girl … is helping the old woman”可知，girl是先行词，定语从句中缺少主语，需用who来引导定语从句。故选C。 29．He is the man ________ I saw yesterday. A．where B．what C．who D．why 【答案】C 【详解】句意：他就是我昨天见到的那个人。 考查定语从句关系词。where指地点，关系副词；what什么，不能引导定语从句；who指人，可作宾语，关系代词；why表原因，关系副词。空处所在句为定语从句，先行词为“the man”，指人，且从句中缺少宾语，需用指人的关系代词who。故选C。 30．—What do you think of the new teacher ________ came to teach you English last week? —She is so kind and warm-hearted and she teaches very well. A．who B．whom C．which 【答案】A 【详解】句意：——你觉得上周来教你英语的那位新老师怎么样？——她是如此的善良和热心，而且她教得很好。 考查定语从句。who指人，在定语从句中作主语或宾语；whom指人，在定语从句中作宾语；which指物，在定语从句中作主语或宾语。此处先行词new teacher指人，且关系词在定语从句中作主语，用who。故选A。 二、单词拼写(本大题共10小题，每小题4分，共40分) 31．The girl ________ is reading is my cousin. 【答案】who/that 【详解】那个正在读书的女孩是我的表妹（或表姐）。根据“The girl is reading is my cousin.”可知，此句为定语从句，先行词是“the girl”，指人，从句中缺少主语，可用关系代词“who/that”引导，故填who/that。 32．My uncle has a son ________ is twelve years old. 【答案】who 【详解】句意：我的叔叔有一个十二岁的儿子。句中“a son…is twelve years old”是一个定语从句，先行词为“son”（指人），关系词在从句中作主语，因此需用关系代词who。 33．Those ________ break the law will be severely punished. 【答案】who 【详解】句意：任何违法的人都将会受到严厉的惩罚。先行词those指代人，此处需要关系代词who引导定语从句，在从句中充当主语，修饰先行词those。 34．The runner ________ you are asking about is over there. 【答案】that/who/whom 【详解】句意：你问的那个跑步者在那边。分析句子结构并结合语境可知，空处引导定语从句，先行词runner，在从句作宾语，指人，关系词应用that、who或whom。故填that/who/whom。 35．The boy ________ made a speech just now is my best friend. 【答案】who/that 【详解】句意：刚才讲话的那个男孩是我最好的朋友。分析句子可知，设空处引导限制性的定语从句，先行词是The boy，指人，关系词替代先行词在定语从句中作主语，故用关系代词who或that引导。故填who/that。 36．We should be thankful to those ________ help us when we are in trouble. 【答案】who 【详解】句意：我们应该感谢那些在我们困难时帮助我们的人。分析句子结构，空格处引导定语从句，修饰those，指那些在我们困难时帮助我们的人，空格处在从句中作主语，应用who。故填who。 37．A true friend is a person ______ will always be there to share your laughter and tears. 【答案】who/that 【详解】句意：真正的朋友是一个永远在那里分享你的欢笑和泪水的人。分析题干可知，空处是定语从句的引导词，在从句中作主语，先行词是person，指人，所以应用who或that引导此定语从句。故填who/that。 38．—Do you know the boy ________ got first prize in the talent show? —Of course. He’s my new neighbor. 【答案】who/that 【详解】句意：——你知道那个在才艺表演中获得第一名的男孩吗？——当然。他是我新邻居。分析句子可知此处是定语从句，先行词the boy是人，关系词作从句主语，可以用who或that引导定语从句。故填who/that。 39．—Do you know the girl ________ is talking to the headmaster over there? —Of course. She is my sister. 【答案】who/that 【详解】句意：——你认识那个那边正在和校长交谈的女孩吗？——当然。她是我的姐姐。此处应填定语从句关系词，根据先行词“the girl”可知，先行词为“人”，且在定语从句中充当主语，用who或that引导定语从句。故填who/that。 40．—Do you know Zhang Guimei? —Yes, of course. She is the woman ________ is fighting for girls’ education in China. 【答案】who 【详解】句意：——你认识张桂梅吗？——是的，当然。她是为中国女孩教育而奋斗的女性。根据“She is the woman...is fighting for girls’ education in China.”可知，“woman”后跟定语从句，空处指代人，且在从句中作主语，需用关系词who。故填who。 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 $