Unit 5 Work it out 词汇（专项训练）--2026-2027学年Join in 外研剑桥英语五年级上册

**基本信息** 聚焦单元核心词汇，通过多维度题型构建"识别-拼写-应用-形态"递进训练体系，强化语言能力与学习能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |词汇识别|2种（不同类/连线）|考查词性、范畴及英汉对应|从词汇属性分类到语义匹配，夯实基础认知| |词汇拼写|2种（提示补全/首字母补全）|结合语境强化词形记忆|从中文提示到首字母线索，提升拼写准确性| |语境应用|3种（短文填空/完形/单选）|在语篇中考查词汇运用|从单句填空到语篇理解，实现词汇情境化迁移| |词汇形态|1种（适当形式填空）|训练名词复数、动词时态等|从词汇基本形到语法变体，完善词汇知识体系|

Join in 外研剑桥英语五年级上册 Unit 5 Work it out! 词汇专项训练 一、 选出下列每组单词中不同类的一项 ( ) 1. A. assistant B. detective C. deep ( ) 2. A. knock B. answer C. key ( ) 3. A. problem B. complete C. knock ( ) 4. A. diary B. card C. must ( ) 5. A. teen B. assistant C. hole ( ) 6. A. something B. other C. detective 二、 英汉互译连线题（请将英文与正确的中文意思用线连起来） 1. detective · A. 必须 2. assistant · B. 洞；坑 3. must · C. 助手；助理 4. answer · D. 侦探 5. problem · E. 答案；回答 6. hole · F. 深的 7. deep · G. 日记；日志 8. diary · H. 问题；难题 三、 根据中文提示，拼写并补全下列单词 1. The famous d_ _ _ _ _ _ _ _ (侦探) and his a_ _ _ _ _ _ _ _ (助手) solved the mystery. 2. Someone is going to k_ _ _ _ (敲) on the door. You m_ _ _ (必须) answer it. 3. Can you find the correct a_ _ _ _ _ (答案) to this difficult p_ _ _ _ _ _ (难题)? 4. I lost my door k_ _ (钥匙) yesterday afternoon. 5. Be careful! There is a d_ _ _ (深的) h_ _ _ (洞) on the road. 6. The smart t_ _ _ (青少年) wrote down a secret in her d_ _ _ _ (日记). 7. Is there s_ _ _ _ _ _ _ _ (某物) strange in the room? 8. Please c_ _ _ _ _ _ _ (完成) the sentences on the birthday c_ _ _ (卡片). 9. Where are the o_ _ _ _ (其他的) books on the shelf? 10. We must work together to w_ _ _ i_ o_ _ (解决/计算出) this puzzle. 四、 短文填空（根据中文提示填入正确的单词，使短文通顺完整） Sherlock Holmes is a clever (1) ___________ (侦探), and Dr. Watson is his helpful (2) ___________ (助手). One day, a young (3) ___________ (青少年) ran to their office. He didn't (4) ___________ (敲) on the door because he was in a hurry. He had a big (5) ___________ (难题) to solve! He lost the (6) ___________ (钥匙) to his grandfather's treasure box. There was (7) ___________ (某物) valuable inside, including an old (8) ___________ (日记). Holmes checked the garden and found a (9) ___________ (深的) (10) ___________ (洞) near a tree. To find the (11) ___________ (答案), they (12) ___________ (必须) dig it up. Finally, they managed to (13) ___________ (完成) their task and solve the case! 五、 完形填空（阅读短文，从每小题所给的A、B、C三个选项中选出最佳选项） Yesterday evening, Tim was studying in his room. Suddenly, he heard someone (1) ________ at the window. He was scared. He called his brother, who worked as a shop (2) ________. They went outside together to check. They found a small dog trapped in a (3) ________ hole in the yard. The hole was too (4) ________ for the dog to climb out. Tim had a good idea. He asked his brother to fetch a rope and a basket. They worked hard to solve this (5) ________. After ten minutes, they saved the dog. Tim wrote this exciting event in his (6) ________ before going to bed. He felt proud because he found the right (7) ________ to help the animal. Tomorrow, they will send a thank-you (8) ________ to the neighbor who helped them. (9) ________ in our life requires patience to work out. We (10) ________ stay calm when facing difficulties! ( ) 1. A. knocking B. answering C. completing ( ) 2. A. assistant B. detective C. teen ( ) 3. A. deep B. other C. must ( ) 4. A. deep B. key C. card ( ) 5. A. problem B. diary C. assistant ( ) 6. A. diary B. hole C. key ( ) 7. A. answer B. teen C. hole ( ) 8. A. card B. key C. assistant ( ) 9. A. Something B. Other C. Complete ( ) 10. A. must B. knock C. answer 六、 单项选择题 ( ) 1. Look! The police ________ is asking questions to solve the case. A. detective B. diary C. key ( ) 2. You ________ finish your homework before watching TV. A. must B. hole C. deep ( ) 3. Please ________ the door before you enter the principal's office. A. knock on B. complete C. answer ( ) 4. I can't open the door because I left my ________ inside the room. A. key B. hole C. assistant ( ) 5. Can you help me ________ this puzzle? It's really hard. A. work out B. knock on C. answer for ( ) 6. There is ________ interesting in today's newspaper. A. something B. other C. teen ( ) 7. The well is very ________. Don't go near it, children! A. deep B. other C. teen ( ) 8. She writes her secret thoughts in her ________ every night. A. diary B. hole C. assistant ( ) 9. Where are the ________ children? They are playing in the park. A. other B. deep C. must ( ) 10. Please ________ the task before five o'clock this afternoon. A. complete B. knock C. key 七、 用所给词的适当形式填空 1. Mr. Smith has two shop _________ (assistant) in his supermarket. 2. Sherlock Holmes and Hercule Poirot are two famous _________ (detective). 3. Listen! Someone is _________ (knock) at the front door. 4. I have three _________ (key) on my ring. 5. There are many difficult _________ (problem) in this math exam. 6. Look! There are two big _________ (hole) in the old wall. 7. I bought four cute greeting _________ (card) for my friends. 8. She kept two secret _________ (diary) when she was young. 9. Three _________ (teen) are playing basketball in the playground. 10. He _________ (complete) his science project yesterday evening. 八、 根据句意及首字母提示补全单词 1. The d___________ used a magnifying glass to look for clues. 2. The shop a___________ helped me find the right size of shoes. 3. Always k___________ on the door before entering someone's room. 4. You m___________ keep quiet in the library. 5. Do you know the correct a___________ to Question 3? 6. I used a k___________ to unlock the wooden box. 7. Don't worry! We can w___________ out this math problem together. 8. The rabbit dug a deep h___________ under the tree. 9. She wrote down today's events in her d___________. 10. Please c___________ the task on time. Join in 外研剑桥英语五年级上册 Unit 5 Work it out! 词汇专项训练·参考答案 一、 选出下列每组单词中不同类的一项 1. C (deep为形容词，其它为人物/职业名词) 2. C (key为名词，其它为动词/动名词) 3. A (problem为名词，其它为动作动词) 4. C (must为情态动词，其它为实物名词) 5. C (hole为场所/实物名词，其它为人物名词) 6. C (detective为具体人物名词，其它为代词/限定词) 二、 英汉互译连线题 1 — D, 2 — C, 3 — A, 4 — E, 5 — H 6 — B, 7 — F, 8 — G 三、 根据中文提示，拼写并补全下列单词 1. detective; assistant 2. knock; must 3. answer; problem 4. key 5. deep; hole 6. teen; diary 7. something 8. complete; card 9. other 10. work it out 四、 短文填空 (1) detective (2) assistant (3) teen (4) knock (5) problem (6) key (7) something (8) diary (9) deep (10) hole (11) answer (12) must (13) complete 五、 完形填空 1. A (knocking at the window 敲窗户) 2. A (shop assistant 售货员/店员/助手) 3. A (deep hole 深洞) 4. A (too deep 太深) 5. A (solve this problem 解决问题) 6. A (write in diary 写在日记里) 7. A (the right answer 正确答案/解决办法) 8. A (thank-you card 感谢卡片) 9. A (Something 某事/某些东西) 10. A (must stay calm 必须保持冷静) 六、 单项选择题 1. A (police detective 侦探/警探) 2. A (must 必须，情态动词) 3. A (knock on the door 敲门) 4. A (key 钥匙) 5. A (work out 解决/计算出) 6. A (something 某事/某物，形容词后置) 7. A (deep 深的) 8. A (diary 日记) 9. A (other 其余的/另外的) 10. A (complete 完成) 七、 用所给词的适当形式填空 1. assistants (two 修饰复数) 2. detectives (famous 后的名词复数) 3. knocking (Listen! 提示现在进行时 is knocking) 4. keys (three 修饰复数) 5. problems (many 修饰复数) 6. holes (two 修饰复数) 7. cards (four 修饰复数) 8. diaries (two 修饰复数，diary 变复数为 diaries) 9. teens (three 修饰复数) 10. completed (yesterday evening 提示一般过去时) 八、 根据句意及首字母提示补全单词 1. detective (侦探) 2. assistant (助手) 3. knock (knock on 敲) 4. must (必须) 5. answer (答案) 6. key (钥匙) 7. work (work out 解决) 8. hole (洞/坑) 9. diary (日记) 10. complete (完成) 学科网（北京）股份有限公司 $