Unit 1 Look it up Section 3 Expressing and communicating ideas同步练习2026-2027学年沪教版英语八年级上册

**基本信息** 初中英语沪教版八年级上册Unit 1 Section 3同步练，以“词汇-句型-语篇”三阶递进设计，分层夯实语言能力，培养学习策略与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|词形转换、短语互译|聚焦核心词汇变形与固定搭配，如dictionary复数形式、“查阅新单词”短语，夯实语言基础| |进阶层|句型转换、单句改错|通过同义句改写、被动语态转换及语法错误修正，提升语言准确性与规则应用能力| |综合层|语篇填空、补全对话|创设工具使用与问题解决情境，融合词汇、语法与交际功能，发展综合语言运用与思维能力|

沪教版（新教材）初中英语八年级上册 Unit 1 Look it up! Section 3 Expressing and communicating ideas同步练习 一、词形转换 1. dictionary ________(复数) 2. explain ________(n.解释；说明) 3. pronounce ________(n.发音；读音) 4. correct ________(adv.正确地；准确地) 5. refer ________(n.参考；参考资料) 6. define ________(n.定义；释义) 7. grammar ________(adj.语法的；符合语法的) 8. consult ________(n.咨询；请教) 9. encyclopedia ________(复数) 10. communicate ________(n.交流；沟通) 二、用所给词的适当形式填空 1. There are many different ________(dictionary) in our school library. 2. Can you give me a clear ________(explain) of this difficult sentence? 3. You should pay attention to the ________(pronounce) of this new word. 4. Please write down the answers ________(correct) on your paper. 5. We can find lots of useful ________(refer) online for our project. 6. The teacher gave us a clear ________(define) of the word “environment”. 7. You need to make sure your sentence is ________(grammar) right. 8. He had a ________(consult) with his teacher about his study problems. 9. My father bought me two ________(encyclopedia) as my birthday gift. 10. Good ________(communicate) helps us understand each other better. 三、重点短语 1. 查阅新单词 ________________ 2. 参考资料 ________________ 3. 发音指南 ________________ 4. 词义解释 ________________ 5. 语法用法 ________________ 6. 举例说明 ________________ 7. 咨询老师 ________________ 8. 使用百科全书 ________________ 9. 准确表达 ________________ 10. 交流想法 ________________ 四、用所给短语的适当形式填空 look up new words, reference materials, pronunciation guide, word explanation, grammatical usage, give examples, consult the teacher, use an encyclopedia, express accurately, communicate ideas 1. When you meet unknown words, you can ________ in a dictionary. 2. We need to collect some ________ to finish our research paper. 3. This app provides a clear ________ for every English word. 4. The teacher gave us a detailed ________ of the new phrase. 5. You should learn the ________ of this structure to avoid mistakes. 6. Please ________ to make your explanation easier to understand. 7. If you have any questions about grammar, you can ________. 8. To know more about ancient history, we can ________. 9. It’s important to ________ your thoughts in a debate. 10. We often discuss in groups to ________ freely. 五、按要求完成句子 consult / explain / pronounce / correct / refer / communicate 1. You’d better ________ your teacher if you don’t understand the text. 2. Can you ________ the meaning of this idiom to me? 3. She ________ the word wrong because she didn’t listen carefully. 4. Please ________ the mistakes in your composition before handing it in. 5. We can ________ to the textbook when we do the exercises. 6. It’s necessary to ________ with your classmates to improve your study. 六、句型转换 1. Looking up new words in a dictionary helps us learn English better.（改为同义句） ________ new words in a dictionary is helpful for us ________ learn English better. 2. I started to use encyclopedias when I was in Grade 7.（用since Grade 7改写句子） I ________ ________ encyclopedias since Grade 7. 3. We can improve our pronunciation by listening to English songs.（对划线部分提问） ________ ________ we improve our pronunciation? 4. Our teacher gives us word explanations every class.（改为被动语态） Word explanations ________ ________ to us every class by our teacher. 5. Have you ever consulted a dictionary for a difficult word?（作否定回答） ________, ________ ________. 七、改错（每句一处错误，划出并改正） 1. You can look up the word in a dictionary when you don’t know it mean. ____________________________________________________________________ 2. It’s important to learn how use reference materials correctly. ____________________________________________________________________ 3. He consult his teacher about the grammar problem yesterday. ____________________________________________________________________ 4. We should pay attention to the pronounce of new words. ____________________________________________________________________ 5. Besides look up words, we also need to learn their usages. ____________________________________________________________________ 八、重点句子翻译 1. 当你遇到生词时，你可以在词典里查阅它们。 ____________________________________________________________________ 2. 参考资料能帮助我们更好地理解课文内容。 ____________________________________________________________________ 3. 老师经常举例说明语法规则，让我们更容易理解。 ____________________________________________________________________ 4. 准确表达我们的想法在小组讨论中很重要。 ____________________________________________________________________ 5. 自从七年级以来，我就一直使用百科全书来学习历史。 ____________________________________________________________________ 6. 如果有不懂的问题，你应该咨询你的老师。 ____________________________________________________________________ 九、语篇填空 阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。 dictionary, reference, explain, pronounce, definition, example, grammar, usage, consult, accurate, besides, ever, improve, communicate, guide When we learn English, we often meet new words and difficult sentences. The most common tool we use is a 1. ________. It not only tells us the 2. ________ of words but also gives their 3. ________ and 4. ________. Sometimes, a simple dictionary isn’t enough, so we need to turn to other 5. ________ materials like encyclopedias. My English teacher always 6. ________ us to learn how to use these tools properly. She often 7. ________ grammar rules with clear 8. ________. She also reminds us to pay attention to the 9. ________ usage of words to avoid mistakes. I 10. ________ had trouble in expressing my thoughts 11. ________. Then I asked my teacher for help. She told me to 12. ________ more with classmates and 13. ________ them when I had questions. 14. ________, she suggested I read more articles to 15. ________ my language skills. Now I have made great progress. 十、补全对话 根据下面的对话情景，在每个空白处填上一个恰当的句子，使对话的意思连贯、完整。 A: Hi, Tom! You look worried. What’s wrong? B: I’m having trouble learning English. I don’t know how to deal with new words. A: 1. ________________________? B: I just guess their meanings, but sometimes I’m wrong. A: That’s not a good way. 2. ________________________. B: But how do I use a dictionary correctly? A: You can check not only the definition but also the pronunciation and usage. 3. ________________________. B: Sounds useful. What about difficult grammar rules? A: 4. ________________________. She is always ready to help us. B: Thank you for your advice. A: 5. ________________________. Let’s work together to improve our English. 参考答案 一、词形转换 1. dictionaries 2. explanation 3. pronunciation 4. correctly 5. reference 6. definition 7. grammatical 8. consultation 9. encyclopedias 10. communication 二、用所给词的适当形式填空 1. dictionaries 2. explanation 3. pronunciation 4. correctly 5. references 6. definition 7. grammatically 8. consultation 9. encyclopedias 10. communication 三、重点短语 1. look up new words 2. reference materials 3. pronunciation guide 4. word explanation 5. grammatical usage 6. give examples 7. consult the teacher 8. use an encyclopedia 9. express accurately 10. communicate ideas 四、用所给短语的适当形式填空 1. look up new words 2. reference materials 3. pronunciation guide 4. word explanation 5. grammatical usage 6. give examples 7. consult the teacher 8. use an encyclopedia 9. express accurately 10. communicate ideas 五、按要求完成句子 1. consult 2. explain 3. pronounced 4. correct 5. refer 6. communicate 六、句型转换 1. Looking; to 2. have used 3. How can 4. are given 5. No; I haven’t 七、改错 1. 划线`mean` → `meaning`（名词形式作宾语） 2. 划线`use` → `to use`（固定搭配`how to do sth.`） 3. 划线`consult` → `consulted`（过去时间`yesterday`用一般过去时） 4. 划线`pronounce` → `pronunciation`（名词形式作介词宾语） 5. 划线`look` → `looking`（介词`besides`后接动名词） 八、重点句子翻译 1. When you meet new words, you can look them up in a dictionary. 2. Reference materials can help us understand the text better. 3. The teacher often gives examples to explain grammar rules, making them easier for us to understand. 4. It is important to express our ideas accurately in group discussions. 5. I have been using encyclopedias to learn history since Grade 7. 6. If you have any questions you don’t understand, you should consult your teacher. 九、语篇填空 1. dictionary 2. definition 3. pronunciation 4. usage 5. reference 6. guides 7. explains 8. examples 9. grammatical 10. ever 11. accurately 12. communicate 13. consult 14. Besides 15. improve 十、补全对话（参考答案） 1. How do you usually deal with them 2. You should look them up in a dictionary 3. You can also learn their usage from example sentences 4. You can consult our English teacher 5. You’re welcome 学科网（北京）股份有限公司 $