重点易错（Units 1-3）（专项训练）- 2026-2027学年人教精通版英语五年级上册

**基本信息** 聚焦五年级上册Units1-3期中重点，以8大语法考点为核心，通过短语-句型-语法三级递进体系，72道分层选择题实现易错点突破，培养语言运用与逻辑思维能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |八大考点专项练习|72题（每考点9题，分基础/提升/拓展）|总结易错点（如漏be动词、介词混淆）、语法规则（三单变化、a/an辨析）|短语-句型-语法递进，语法点与单元主题（国家/职业/工作地点）对应，由基础应用到综合拓展|

五年级上册人教精通版英语 · 期中重点易错专项训练 📚 2026五年级上册人教精通版英语 期中重点易错专项训练（Units 1-3） Units 1-3 | 8大考点 | 72道选择题 | 含详细解析 ──────────────────────────────────────────────────────────── 📌 第一部分：期中重点短语汇总 🔵 Unit 1 Around the world 重点短语 • be from 来自 • be famous for 以……闻名 • the Eiffel Tower 埃菲尔铁塔 • Big Ben 大本钟 • the Great Wall 长城 • the Sydney Opera House 悉尼歌剧院 • the Amazon Rain Forest 亚马逊雨林 • the Great Pyramid 大金字塔 • the Summer Palace 颐和园 • Yellowstone National Park 黄石国家公园 • the Forbidden City 紫禁城 • Buckingham Palace 白金汉宫 • the Taj Mahal 泰姬陵 • VR centre 虚拟现实中心 • sing and dance 唱歌跳舞 • have a try 试一试 • an interesting tour 一次有趣的旅行 • royal family 皇室家族 • look like 看起来像 • go boating 去划船 • watch shows 观看演出 • wild animals 野生动物 • natural scenery 自然风光 • explore the world 探索世界 🟢 Unit 2 Jobs 重点短语 • want to be 想成为 • in the future 将来 • help sick people 帮助病人 • grow vegetables 种蔬菜 • take photos 拍照 • write children's stories 写儿童故事 • deliver goods 运送货物 • protect our country 保卫国家 • save people from danger 从危险中救人 • study hard 努力学习 • work hard 努力工作 • talk a lot 说很多话 • try hard 努力尝试 • be excited 感到兴奋 • be noisy 很吵闹 • cut and style people's hair 为人们剪发造型 • all kinds of 各种各样的 • like reading 喜欢阅读 • grow all kinds of vegetables 种植各种蔬菜 • visit lots of places 参观许多地方 • catch the ball 接球 • play football well 足球踢得好 • read books about cars 读关于汽车的书 • be famous for 以……闻名 🟠 Unit 3 Workplaces 重点短语 • work at a bank 在银行工作 • work at a hotel 在酒店工作 • work at a police station 在警察局工作 • work at a TV station 在电视台工作 • work at a company 在公司工作 • work at a factory 在工厂工作 • work on a farm 在农场工作 • work at a hospital 在医院工作 • work at a middle school 在中学工作 • work in a cinema 在电影院工作 • work in a library 在图书馆工作 • work in a restaurant 在饭馆工作 • work in a shopping mall 在购物中心工作 • study at a school 在学校学习 • Nice to see you! 见到你很高兴！ • go to sleep 去睡觉 • different jobs 不同的工作 • a woman worker 一位女工人 • Ms Brown 布朗女士 • write books at home 在家写书 • help sick people 帮助病人 • drive a taxi 开出租车 • sell things 卖东西 • look after patients 照顾病人 📌 第二部分：期中重点句型汇总 🔵 Unit 1 Around the world 重点句型 ★ — Where are you from? — I'm from France. 你来自哪里？我来自法国。 ★ — Are you from the USA? — No. I'm from the UK. 你来自美国吗？不，我来自英国。 ★ You can visit the Great Wall in my country. 你可以在我的国家游览长城。 ★ — What is Brazil famous for? — It is famous for the Amazon Rain Forest. 巴西以什么闻名？以亚马逊雨林闻名。 ★ It looks like a sailing boat on the sea. 它看起来像海上的一艘帆船。 ★ It is a good place to watch shows. 它是观看演出的好地方。 ★ I hope I can visit it one day. 我希望有一天能去参观。 ★ This is the Summer Palace. It is famous for its lake and old buildings. 这是颐和园，它以湖和古建筑闻名。 🟢 Unit 2 Jobs 重点句型 ★ — What does your father do? — He is a doctor. 你爸爸是做什么的？他是一名医生。 ★ — What's your mother's job? — She's a nurse. 你妈妈的工作是什么？她是一名护士。 ★ — What do you want to be in the future? — I want to be a teacher. 你将来想成为什么？我想成为一名老师。 ★ — Why do you want to be a writer? — Because I like writing stories. 为什么想当作家？因为我喜欢写故事。 ★ She wants to help sick people. 她想帮助生病的人。 ★ I want to grow all kinds of vegetables. 我想种植各种各样的蔬菜。 ★ I must study hard and learn a lot first. 我必须先努力学习，学很多知识。 ★ He writes children's stories. 他写儿童故事。 🟠 Unit 3 Workplaces 重点句型 ★ — Where do you work? — I work at a bank. 你在哪里工作？我在银行工作。 ★ — Where do you study? — I study at Sunny School. 你在哪里上学？我在阳光学校上学。 ★ — Where does your father work? — He works at a company. 你爸爸在哪里工作？他在公司工作。 ★ — Where does your mother work? — She works at CCTV. 你妈妈在哪里工作？她在中央电视台工作。 ★ — Does your uncle work at a hospital? — Yes, he does. 你叔叔在医院工作吗？是的。 ★ — Do you work at this hotel? — No, I don't. 你在这家酒店工作吗？不。 ★ My grandfather is a writer. He writes books at home. 我爷爷是作家，他在家写书。 ★ Nice to see you! — Nice to see you, too. 见到你很高兴！——我也很高兴见到你。 📌 第三部分：期中重点语法汇总 语法一：be from 与 come from（来自某地） be from 表示"来自……"，be 动词随主语变化：I am from... / He is from... / They are from... 易错点：不能说 I from China；疑问句中 where 提前：Where are you from? 语法二：be famous for（以……闻名） be famous for + 事物/景点，表示"以……而著名"。 例：The UK is famous for Big Ben. France is famous for the Eiffel Tower. 语法三：want to be + 职业（想成为……） want to be 后接 a/an + 职业名词，表示"想成为……"。主语三单时 want → wants。 例：I want to be a doctor. She wants to be a reporter. 语法四：What does...do? / What's...job?（询问职业） 询问职业两种句型：① What does your father do? — He is a driver. ② What's your mother's job? — She's a nurse. 易错：问职业用 do/does，不是 work；job 是名词，前面用 is。 语法五：Where do/does...work?（询问工作地点） I/you/we/they 用 do + work 原形；he/she/人名 用 does + work 原形。 肯定回答中 work 加 es：He works at a hospital. She works on a farm. 易错：Does he works... ✗ → Does he work... ✓ 语法六：一般现在时第三人称单数动词变化 规则：一般加 s（work→works）；以 s/x/ch/sh 结尾加 es（watch→watches）； 以辅音+y 结尾变 y 为 i 加 es（study→studies）；have→has。 易错：he work ✗ → he works ✓；does she works ✗ → does she work ✓ 语法七：地点介词 at / in / on 的用法 at 用于具体机构/场所：at a bank, at a hospital, at CCTV, at a police station in 用于大地点或建筑内：in a cinema, in a library, in a restaurant on 用于 farm：on a farm（固定搭配） 语法八：a / an 的正确使用 a 用于辅音音素开头的词前：a farmer, a teacher, a police officer an 用于元音音素开头的词前：an actor, an actress, an hour 易错：an doctor ✗ → a doctor ✓（d 是辅音音素） 📌 第四部分：八大重点易错考点专项练习 考点1：be from / come from 与 Where are you from? 📝 be from 表示"来自某地"，be 动词随主语变化。I am from... / You are from... / He is from... 疑问句：Where + be + 主语 + from? Where are you from? Where is he from? 易错：① 漏掉 be 动词 I from China ✗ ② 介词用错 I am from USA ✗（需加 the） ◇ 基础题（选择题） （ ）1. I ____ from China. I'm Chinese. A. am B. is C. are D. be （ ）2. — Where ____ she from? — She ____ from France. A. is; is B. are; is C. is; are D. are; are （ ）3. — Where are you from? — ____ A. I from the UK. B. I am from the UK. C. I'm come from the UK. D. I from UK. ▷ 提升题（选择题） （ ）4. Olivia ____ from Australia. She can visit the Sydney Opera House. A. am B. is C. are D. be （ ）5. — Is Chen Wei from Germany? — No, ____. He is from Russia. A. he is B. he isn't C. she isn't D. she is （ ）6. ____ are from Brazil. They can visit the Amazon Rain Forest. A. We B. He C. She D. It ★ 拓展题（选择题） （ ）7. — Where ____ (be) your new classmate from? — He ____ (be) from Egypt. A. is; is B. are; is C. is; are D. are; are （ ）8. Lily ____ (be) from the UK. She often talks about Big Ben. A. am B. is C. are D. be （ ）9. — Are they from Xiamen? — Yes, ____ ____. A. they are B. they're C. we are D. A and B ──────────────────────────────────────────────────────────── 考点2：be famous for 与景点搭配 📝 be famous for + 景点/事物，表示"以……闻名"。专有名词首字母大写：the Great Wall, Big Ben, the Eiffel Tower。易错：① for 后接事物不是地点 ② 漏掉 the：famous for Great Wall ✗ ◇ 基础题（选择题） （ ）10. The UK is famous ____ Big Ben. A. for B. of C. in D. at （ ）11. France is famous for ____. A. the Great Wall B. the Eiffel Tower C. the Taj Mahal D. the Great Pyramid （ ）12. Egypt is famous for ____. A. Yellowstone National Park B. the Amazon Rain Forest C. the Great Pyramid D. Buckingham Palace ▷ 提升题（选择题） （ ）13. — What is Australia famous for? — It is famous for ____. A. the Eiffel Tower B. the Sydney Opera House C. the Forbidden City D. Big Ben （ ）14. The USA is famous for ____ and the Yellowstone National Park. A. the Nile B. the Summer Palace C. the Great Pyramid D. the Amazon Rain Forest is in Brazil （ ）15. China ____ famous for the Great Wall and the Forbidden City. A. am B. is C. are D. be ★ 拓展题（选择题） （ ）16. — What ____ Brazil famous for? — It ____ famous for the Amazon Rain Forest. A. is; is B. are; is C. is; are D. are; are （ ）17. The Taj Mahal is in India. It ____ famous for its beautiful design. A. am B. is C. are D. be （ ）18. — Is Canada famous for the Nile? — No, ____ ____. A. it is B. it isn't C. they aren't D. he isn't ──────────────────────────────────────────────────────────── 考点3：What does...do? 与 What's...job? 询问职业 📝 询问职业两种句型：What does your father do? — He is a driver. What's your mother's job? — She's a nurse. 易错：① do/does 后接动词原形 do，不是 work ② job 是名词用 is，不是 do ◇ 基础题（选择题） （ ）19. — What ____ your father do? — He is a driver. A. do B. does C. is D. are （ ）20. — What's your mother's job? — ____ a nurse. A. He's B. She's C. It's D. They're （ ）21. — What do you do? — I ____ a student. A. am B. is C. are D. be ▷ 提升题（选择题） （ ）22. — What ____ Chen Wei's job? — He is a reporter. A. do B. does C. is D. are （ ）23. — What does your aunt do? — ____ a policewoman. A. She is B. He is C. She do D. He do （ ）24. — Is your brother a worker? — Yes, ____. A. he is B. he does C. she is D. she does ★ 拓展题（选择题） （ ）25. — What ____ (do) Zhang Hao's father do? — He ____ (be) a doctor. A. does; is B. do; is C. does; are D. do; are （ ）26. — What's ____ (she) job? — She is an actress. A. she B. her C. hers D. she's （ ）27. — What do they do? — ____ (their) are farmers. A. They B. Them C. Their D. Theirs ──────────────────────────────────────────────────────────── 考点4：want to be + 职业 与三单变化 📝 want to be + a/an + 职业，表示"想成为……"。主语三单时 want → wants。 📝 want to + 动词原形（不是 V-ing）：I want to help sick people. 易错：① she want ✗ → she wants ② want to helping ✗ → want to help ◇ 基础题（选择题） （ ）28. I want ____ be a teacher in the future. A. to B. for C. at D. / （ ）29. She wants to be ____ actor. She likes acting. A. a B. an C. the D. / （ ）30. — What do you want to be? — I want to be ____. A. a farmer B. farmer C. the farmer D. farmers ▷ 提升题（选择题） （ ）31. Olivia wants to be a reporter because she likes ____ people. A. talk to B. talks to C. talking to D. talked to （ ）32. Chen Wei wants to be a police officer. He wants ____ our country. A. protect B. protects C. protecting D. to protect （ ）33. — Why does Lily want to be a doctor? — ____ she wants to help sick people. A. Because B. So C. But D. And ★ 拓展题（选择题） （ ）34. Jam ____ (want) to be a writer. He likes ____ (write) stories. A. wants; writing B. want; writing C. wants; write D. want; write （ ）35. — What does Bella want ____ (be)? — She wants to be a singer. A. be B. to be C. being D. to being （ ）36. They want to ____ (help) sick people in the future. A. helps B. helping C. help D. helped ──────────────────────────────────────────────────────────── 考点5：一般现在时三单动词变化与助动词 does 📝 三单动词加 s/es：work→works, watch→watches, study→studies, have→has。 📝 助动词 does 出现后，后面的动词还原为原形：Does she work...? ✗ works 易错：he work ✗ / does she works ✗ ◇ 基础题（选择题） （ ）37. He ____ books at home. He is a writer. A. write B. writes C. writing D. to write （ ）38. She ____ hard every day. She wants to be a doctor. A. study B. studies C. studying D. to study （ ）39. My father ____ a taxi in Wuhan. A. drive B. drives C. driving D. to drive ▷ 提升题（选择题） （ ）40. — Does your mother work at a hospital? — Yes, she ____. A. work B. works C. does D. is （ ）41. She ____ TV every evening. She is a reporter. A. watch B. watches C. watching D. to watch （ ）42. — ____ he work at a factory? — No, he doesn't. A. Do B. Does C. Is D. Are ★ 拓展题（选择题） （ ）43. Bella ____ (have) a dream job. She ____ (want) to be a dancer. A. has; wants B. have; wants C. has; want D. have; want （ ）44. — What does Zhou Kai's uncle ____ (do)? — He ____ (be) a farmer. A. do; is B. does; is C. do; are D. does; are （ ）45. My aunt ____ (go) to work at 8:00 every morning. She ____ (work) at CCTV. A. goes; works B. go; works C. goes; work D. go; work ──────────────────────────────────────────────────────────── 考点6：Where do/does...work/study? 工作学习地点 📝 I/you/we/they + do + work/study 原形；he/she/人名 + does + work/study 原形。 📝 肯定句：He works at a hospital. She studies at Sunny School. 📝 易错：① do she work ✗ → does she work ② he works at CCTV ✗ → at 不是 in CCTV ◇ 基础题（选择题） （ ）46. — Where do you work? — I work ____ a bank. A. at B. in C. on D. to （ ）47. — Where ____ your father work? — He works at a company. A. do B. does C. is D. are （ ）48. — Where does she study? — She ____ at Sunny School. A. study B. studies C. studying D. to study ▷ 提升题（选择题） （ ）49. — ____ your brother work at a hotel? — No, he doesn't. A. Do B. Does C. Is D. Are （ ）50. — Where do they work? — ____ work at a TV station. A. We B. He C. She D. It （ ）51. — Does Chen Wei work in Beijing? — Yes, ____. A. he work B. he works C. he does D. he is ★ 拓展题（选择题） （ ）52. — Where ____ (do) your aunt work? — She ____ (work) on a farm. A. does; works B. do; works C. does; work D. do; work （ ）53. Olivia and Lily ____ (work) at a library. They love ____ (they) jobs. A. works; their B. work; their C. work; they D. works; they （ ）54. — ____ (do) you study at No. 1 Primary School? — Yes, I ____. A. Do; do B. Does; do C. Do; does D. Does; does ──────────────────────────────────────────────────────────── 考点7：地点介词 at / in / on 的辨析 📝 at + 具体机构：at a bank, at a hospital, at CCTV, at a police station 📝 in + 建筑内/大地点：in a cinema, in a library, in a restaurant, in China 📝 on + farm：on a farm（唯一固定搭配） 📝 易错：in a farm ✗ → on a farm；at a restaurant ✗ → in a restaurant ◇ 基础题（选择题） （ ）55. She works ____ a hospital. She is a doctor. A. at B. in C. on D. to （ ）56. He works ____ a farm. He is a farmer. A. at B. in C. on D. to （ ）57. They work ____ a factory. They are workers. A. at B. in C. on D. to ▷ 提升题（选择题） （ ）58. My mother works ____ a restaurant in Jinan. She is a cook. A. at B. in C. on D. to （ ）59. — Does your father work ____ CCTV? — Yes, he is a TV host. A. at B. in C. on D. to （ ）60. The librarian works ____ the City Library in Kunming. A. at B. in C. on D. to ★ 拓展题（选择题） （ ）61. My uncle is a policeman. He works ____ a police station ____ Xiamen. A. at; in B. in; at C. on; in D. at; on （ ）62. — Where do they work? — They work ____ a big company ____ Wuhan. A. at; in B. in; at C. on; in D. at; on （ ）63. The farmer works ____ a farm. He grows vegetables ____ the farm. A. on; on B. at; on C. on; at D. at; at ──────────────────────────────────────────────────────────── 考点8：a / an 与职业名词搭配 + 名词单复数 📝 a + 辅音音素开头：a farmer, a teacher, a doctor, a police officer 📝 an + 元音音素开头：an actor, an actress, an engineer 📝 职业名词复数：two teachers, many workers 📝 易错：an doctor ✗ → a doctor；a actress ✗ → an actress ◇ 基础题（选择题） （ ）64. My father is ____ doctor. He works at a hospital. A. a B. an C. the D. / （ ）65. Her mother is ____ actress. She acts in films. A. a B. an C. the D. / （ ）66. Chen Wei wants to be ____ police officer like his father. A. a B. an C. the D. / ▷ 提升题（选择题） （ ）67. Olivia's aunt is ____ nurse. She helps sick people every day. A. a B. an C. the D. / （ ）68. Zhang Hao's brother is ____ actor. He acts on TV. A. a B. an C. the D. / （ ）69. Lily wants to be ____ engineer. She likes making things. A. a B. an C. the D. / ★ 拓展题（选择题） （ ）70. There are two ____ (teacher) and one ____ (doctor) in my family. A. teachers; doctor B. teacher; doctors C. teachers; doctors D. teacher; doctor （ ）71. — What does he do? — He is ____ (a) actor. He acts in many films. A. a B. an C. the D. / （ ）72. Bella's parents are ____ (worker). They work at a factory. A. worker B. workers C. a worker D. the worker ──────────────────────────────────────────────────────────── 📌 第五部分：参考答案与详细解析 参考答案速查表 题号 1 2 3 4 5 6 7 8 9 考点1 A A B B B A A B D 考点2 A B C B D B A B B 考点3 B B A C A A A B A 考点4 A B A C D A A B C 考点5 B B B C B B A A A 考点6 A B B B A C A B A 考点7 A C A B A B A A A 考点8 A B A A B B A B B 详细解析 ━ 考点一：be from / come from 1. 选A。主语 I 搭配 am，I am from China. 不能说 I from China。 2. 选A。Where is she from? 主语 she 用 is；She is from France. 回答也用 is。 3. 选B。正确回答：I am from the UK. 或 I'm from the UK. 不能漏掉 am/be 动词。 4. 选B。Olivia 是第三人称单数，用 is。Olivia is from Australia. 5. 选B。否定回答：No, he isn't. 问句用 Is...from? 回答用 isn't。 6. 选A。We are from Brazil. We 是复数主语，搭配 are。 7. 选A。your new classmate 是单数，用 is；He is from Egypt. 回答也用 is。 8. 选B。Lily 是第三人称单数，用 is。Lily is from the UK. 9. 选D。Yes, they are. 肯定回答。they're = they are，A和B都对，故选D。 ━ 考点二：be famous for 1. 选A。be famous for 是固定搭配，for 后接闻名的事物。 2. 选B。法国以埃菲尔铁塔闻名。the Eiffel Tower 是法国标志性建筑。 3. 选C。埃及以大金字塔闻名。the Great Pyramid 在埃及。 4. 选B。澳大利亚以悉尼歌剧院闻名。the Sydney Opera House 在澳大利亚。 5. 选D。黄石国家公园在美国。注意：the Amazon Rain Forest 在巴西，不是美国。 6. 选B。China 是第三人称单数，用 is。China is famous for... 7. 选A。What is Brazil famous for? 主语 Brazil 单数用 is；回答 It is famous for... 也用 is。 8. 选B。The Taj Mahal 是单数，用 is。It is famous for its beautiful design. 9. 选B。Is Canada famous for the Nile? 否定回答 No, it isn't. 尼罗河在埃及不在加拿大。 ━ 考点三：What does...do? / What's...job? 1. 选B。your father 是第三人称单数，用 does 提问。What does your father do? 2. 选B。your mother 是女性，用 She's。She's a nurse. = She is a nurse. 3. 选A。I am a student. 第一人称 I 搭配 am。 4. 选C。What's = What is，job 是名词，用 is 提问。What's your mother's job? 5. 选A。your aunt 是女性，用 She is。She is a policewoman. 6. 选A。Is your brother a worker? 肯定回答 Yes, he is. brother 是男性用 he。 7. 选A。Zhang Hao's father 是单数，用 does；He is a doctor. 用 is。 8. 选B。her job 她的职业，her 是形容词性物主代词。What's her job? 9. 选A。What do they do? 复数主语 they 用 do；They are farmers. 用 are。 ━ 考点四：want to be + 职业 1. 选A。want to be 是固定搭配，to 后接动词原形 be。 2. 选B。actor 以元音音素开头，用 an。an actor。 3. 选A。I want to be a farmer. a 用在辅音音素开头的 farmer 前。 4. 选C。like 后接 V-ing 形式。like talking to people. 喜欢和人们交谈。 5. 选D。want to + 动词原形。want to protect our country. 想要保卫国家。 6. 选A。Because 引导原因状语从句，回答 Why 的提问。 7. 选A。Jam 是三单，want → wants；like 后接 V-ing，writing stories。 8. 选B。want to be 固定搭配，to 后接动词原形 be。 9. 选C。want to + 动词原形 help。to 后不接三单形式。 ━ 考点五：三单动词变化与 does 1. 选B。He 是三单，write → writes。He writes books at home. 2. 选B。She 是三单，study 变 y 为 i 加 es → studies。 3. 选B。My father 是三单，drive → drives。 4. 选C。Does...? 肯定回答用 does。Yes, she does. 不用 works。 5. 选B。She 是三单，watch → watches（ch结尾加es）。 6. 选B。he 是三单，用 Does 提问。Does he work...? 7. 选A。Bella 是三单，have → has；want → wants。 8. 选A。does 后用动词原形 do；He is a farmer. 用 is。 9. 选A。My aunt 是三单，go → goes；She works at CCTV. 三单加 s。 ━ 考点六：Where do/does...work/study? 1. 选A。at a bank 在银行（具体机构用 at）。 2. 选B。your father 是三单，用 does 提问。Where does your father work? 3. 选B。She 是三单，study → studies。She studies at Sunny School. 4. 选B。your brother 是三单，用 Does 提问。 5. 选A。they 是复数，用 We 回答。We work at a TV station. 6. 选C。Does...? 肯定回答用 does。Yes, he does. 7. 选A。your aunt 是三单，用 does；She works on a farm. 三单加 s。 8. 选B。Olivia and Lily 是复数，用 work；Their jobs 他们的，用 their。 9. 选A。you 搭配 Do；Yes, I do. 肯定回答。 ━ 考点七：at / in / on 介词辨析 1. 选A。at a hospital 在医院（具体机构用 at）。 2. 选C。on a farm 在农场（唯一固定搭配，不用 at/in）。 3. 选A。at a factory 在工厂（具体机构用 at）。 4. 选B。in a restaurant 在饭馆里（建筑内部用 in）。 5. 选A。at CCTV 在中央电视台（机构名称用 at）。 6. 选B。in the City Library 在市图书馆里（建筑内部用 in）。 7. 选A。at a police station 在警察局；in Xiamen 在厦门（大地点用 in）。 8. 选A。at a big company 在公司；in Wuhan 在武汉（大地点用 in）。 9. 选A。on a farm 在农场（固定搭配）。on the farm 也正确。 ━ 考点八：a / an + 职业名词 1. 选A。doctor 以辅音音素 /d/ 开头，用 a。a doctor。 2. 选B。actress 以元音音素 /æ/ 开头，用 an。an actress。 3. 选A。police officer 以辅音音素 /p/ 开头，用 a。a police officer。 4. 选A。nurse 以辅音音素 /n/ 开头，用 a。a nurse。 5. 选B。actor 以元音音素 /æ/ 开头，用 an。an actor。 6. 选B。engineer 以元音音素 /e/ 开头，用 an。an engineer。 7. 选A。two teachers（复数加s）；one doctor（单数）。 8. 选B。actor 以元音音素开头，用 an。He is an actor. 9. 选B。parents 是复数，worker → workers。They are workers. — 第 页 — 学科网（北京）股份有限公司 $