Unit 1 Look it up Section 4 Extending and developing competencies 练习作业 2026-2027学年沪教版英语八年级上册

**基本信息** 练习围绕“查阅信息”主题，通过基础到综合的分层设计，构建词汇-句型-语篇的巩固路径，适配新授课语言能力与学习能力培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础层|核心词汇与句型|聚焦单词拼写与固定搭配，如词汇运用第1题“look up”直接考查短语运用| |进阶层|语篇理解与词汇运用|通过首字母填空（如第3题“online”）强化语境中的词义推断| |拓展层|综合语言表达|以书面表达“My Favorite Way”创设真实情境，提升信息整合与表达能力|

Unit 1 Look it up! Section 4 Extending and developing competencies 练习作业 一、翻译 1. 你可以在这本百科全书里查阅这个单词的起源。 _______________________________________________________________________ 2. 为了找到准确的信息，我们需要使用合适的关键词。 _______________________________________________________________________ 3. 她经常参考在线词典来学习新短语。 _______________________________________________________________________ 4. 这个网站为学生提供了大量的学习资源。 _______________________________________________________________________ 5. 在做研究之前，你应该先确定你的信息来源。 _______________________________________________________________________ 6. 我们可以通过查阅不同的资料来验证这个事实。 _______________________________________________________________________ 二、词汇运用 1.-Let's ______(查阅) the new word in the electronic dictionary. -Good idea. It's faster than a paper one. 2. Encyclopedias are valuable ______(资源) that offer us all kinds of knowledge. 3. When searching online, choosing the right ______(关键词) can help you find information quickly. 4. We should pay attention to the ______(准确性) of the information we get from unknown websites. 5. He ______(参考) several magazines to collect materials for his speech last month. 6. The ______(起源) of this traditional festival can be traced back to over 2000 years ago. 7. It's wise to use ______(可靠的) sources when doing school projects. 8. ______(无论何时) you have trouble understanding a text, you can turn to your teacher. 9. Keeping a diary every day is a good way to expand your ______(词汇量). 10. She spent the whole afternoon ______(搜索) for information about space exploration online. 11. This dictionary gives ______(详细的) examples to show how to use each word. 12. We must learn to ______(区分) between fact and opinion when reading news. 13. The ______(作者) of this book is a famous linguist who has written many works. 14. After ______(讨论) the problem with our group members, we found a good solution. 15. Online dictionaries are ______(方便的) than paper ones because you can carry them anywhere. 三、单项选择 ( )1. When you meet a new word, you can ____ it ____ in a dictionary. A. look; up B. look; for C. look; after D. look; through ( )2. ______ you need to find information about history, encyclopedias are a great choice. A. Whenever B. Whatever C. However D. Wherever ( )3. We should make sure the information we use is from ______ sources. A. untrue B. reliable C. unknown D. useless ( )4. The teacher advised us ______ different resources to finish our research paper. A. using B. use C. to use D. used ( )5. ______ the help of online dictionaries, I can learn new words more easily. A. Under B. With C. On D. In 四、首字母填空 Dictionaries are one of the most useful tools for language learners. They p 1______ us with the meanings, pronunciations and usages of words. The first modern English dictionary was c 2 ______by Samuel Johnson in 1755. It took him over nine years to finish the great work. Nowadays, besides paper dictionaries, we also have o 3______ dictionaries. They are more c 4______ because we can carry them on our phones or computers. When we meet a new word, we just need to type it in and we can get the information i 5______. Some online dictionaries also provide e 6______ sentences to show how words are used in real life. This helps us understand words better. However, we should be careful when using online resources. Not all information is t 7______, so we need to c 8______ it with other sources. Using dictionaries properly can help us i 9______ our language skills quickly. It's a good habit to r 10______ to dictionaries whenever we have questions about words. 1.________ 2.________ 3.________ 4.________ 5._________ 6.________ 7.________ 8.________ 9.________ 10._________ 五、书面表达 假设你们学校英文报正在举办以“My Favorite Way to Look up New Words”为主题的征文活动，请根据以下问题，写一篇英语短文投稿。 1. What is your favorite way to look up new words? 2. Why do you prefer this way? 3. How does it help you in your English study? 要求：1.短文需包含所有问题要点，并适当发挥; 2.词数100左右。 My Favorite Way to Look up New Words _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ _______________________________________________________________________ 参考答案 一、翻译 1. You can look up the origin of this word in this encyclopedia. 2. To find accurate information, we need to use proper keywords. 3. She often refers to online dictionaries to learn new phrases. 4. This website provides a lot of learning resources for students. 5. Before doing research, you should first identify your information sources. 6. We can verify this fact by consulting different materials. 二、词汇运用 1. look up; 2. resources; 3. keywords; 4. accuracy; 5. referred to; 6. origin; 7. reliable; 8. Whenever; 9. vocabulary; 10. searching; 11. detailed; 12. distinguish; 13. author; 14. discussing; 15. more convenient 三、单项选择 1. A; 2. A; 3. B; 4. C; 5. B 四、首字母填空 1. provide; 2. compiled; 3. online; 4. convenient; 5. immediately; 6. examples; 7. true; 8. check; 9. improve; 10. refer 五、书面表达 My Favorite Way to Look up New Words My favorite way to look up new words is using an online dictionary app on my phone. I prefer it because it's super convenient—I can carry it anywhere and look up words anytime, whether I'm reading a book on the bus or doing homework at home. Unlike paper dictionaries, this app not only gives me the meanings and pronunciations of words but also provides example sentences and even audio clips. This helps me understand how to use the words correctly in real contexts. It has greatly improved my vocabulary and reading speed. Now, I feel more confident when learning new English words, and it makes my study much easier and more enjoyable. 学科网（北京）股份有限公司 $