Unit1Lookitup!单元测试卷（含答案，无听力音频及原文）2025-2026学年沪教版（2024）八年级英语上册.pdf

沪教版（2025）八年级上册 Unit 1 Look it up!单元测试卷 满分：100 分 时间：90 分钟

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得分：

一、根据首字母或中文提示填空（15 分，每空 1 分）

1. When you don't know a word, you can l________ (查找) it up in a dictionary.

2. Dictionaries are very h________ (有帮助的) tools for English learning.

3. The Internet provides us with a lot of i________ (信息) to look up.

4. We should learn how to use reference books p________ (正确地).

5. A thesaurus can help you find s________ (同义词) for words.

6. Encyclopedias contain detailed k________ (知识) about various topics.

7. When researching, it's important to c________ (选择) reliable sources.

8. We can look up historical events in an h________ (历史的) encyclopedia.

9. The library has many r________ (参考的) books for students.

10. Using online dictionaries can be very c________ (方便的).

11. We need to u________ (理解) how to use these tools effectively.

12. A dictionary usually includes the pronunciation and d________ (定义) of words.

13. When writing, we can look up words to make our language more p________ (精确的).

14. We should learn the s________ (技能) of looking up information.

15. Looking up information helps us s________ (解决) problems in study. 二、完形填空（5 分，每题 1 分）

When studying English, looking up words is an important skill. I remember when I first started learning, I often used a paper dictionary. It was slow, but it 1.______ me the correct pronunciation and detailed definitions. Now, I also use online dictionaries. They are 2.______ and provide more examples. Sometimes, I use a thesaurus to find better words for my writing. This helps make my articles more 3.. No matter which tool I use, the key is to 4. the information correctly. Looking up words not only helps me understand new vocabulary but also 5.______ my study efficiency.

1. A. gave B. taken C. made D. got

2. A. slow B. convenient C. hard D. boring 3. A. interesting B. beautiful C. precise D. long 4. A. use B. buy C. sell D. throw 5. A. reduces B. improves C. destroys D. wastes 三、英汉互译（10 分，每题 1 分） 1. 查找（单词） ______________ 6. detailed definitions ______________ 2. reference books ______________ 7. 提高学习效率 ______________ 3. 在线词典 ______________ 8. the skill of looking up ______________ 4. historical events ______________ 9. 解决学习问题 ______________ 5. 选择可靠来源 ______________ 10. various topics ______________ 四、用所给词的适当形式填空（10 分，每题 1 分） 1. We can use dictionaries ______________ (look) up words. 2. The Internet is a ______________ (help) tool for students. 3. It's important ______________ (choose) reliable sources. 4. Using online dictionaries is very ______________ (convenient). 5. We should learn how ______________ (use) these tools effectively. 6. A thesaurus can help us find ______________ (synonym) for words. 7. Encyclopedias provide ______________ (detail) knowledge. 8. Looking up words ______________ (help) us understand new vocabulary. 9. We need to improve our ______________ (study) efficiency. 10. The library has many ______________ (refer) books. 五、单项选择（15 分，每题 1 分） 1. —When you don't know a word, what will you do? — I will ______________ it up in a dictionary. A. look B. see C. watch D. read 2. Dictionaries are very ______________ for English learning. A. helpless B. helpful C. useless D. boring 3. We can find a lot of ______________ on the Internet to look up. A. information B. news C. messages D. advice 4. When researching, we should choose ______________ sources.

A. unreliable B. reliable C. useless D. boring

5. A thesaurus can help us find ______________ for words. A. antonyms B. synonyms C. meanings D. pronunciations 6. Encyclopedias contain ______________ about various topics. A. pictures B. stories C. knowledge D. songs 7. Using online dictionaries is very ______________. A. slow B. convenient C. hard D. boring 8. A dictionary usually includes the pronunciation and ______________ of words. A. spellings B. definitions C. pictures D. stories 9. When writing, we can look up words to make our language more ______________. A. precise B. long C. short D. boring 10. We should learn the ______________ of looking up information. A. skills B. books C. dictionaries D. encyclopedias 11. Looking up information helps us ______________ problems in study. A. solve B. find C. make D. lose 12. We need to ______________ how to use these tools effectively. A. understand B. buy C. sell D. throw 13. The library has many ______________ books for students. A. reference B. story C. picture D. comic 14. Using a paper dictionary can ______________ us the correct pronunciation. A. give B. take C. make D. get 15. Looking up words not only helps us understand new vocabulary but also ______________ our study efficiency. A. reduces B. improves C. destroys D. wastes

六、按要求完成句子（10 分，每题 2 分）

1. We can look up words in a dictionary.（对划线部分提问） ______________ can we look up words?

2. Dictionaries are helpful tools.（改为感叹句） ______________ helpful tools dictionaries are!

3. It's important to choose reliable sources.（改为同义句）

Choosing reliable sources ______________ important.

4. We should learn how to use these tools effectively.（改为一般疑问句）

______________ we learn how to use these tools effectively?

5. Looking up words helps us understand new vocabulary.（改为否定句）

Looking up words ______________ ______________ us understand new vocabulary. 七、翻译句子（10 分，每题 2 分）

1. 当你不知道一个单词时，可以查词典。

When you don't know a word, you can ______________ it ______________ in a dictionary.

2. 互联网为我们提供了很多查找信息。

The Internet provides us with a lot of information ______________ ______________.

3. 我们应该学习如何正确使用参考书。

We should learn how to use reference books ______________.

4. 同义词词典可以帮助你找到单词的同义词。

A thesaurus can help you find ______________ for words.

5. 查找信息有助于我们解决学习中的问题。

Looking up information helps us ______________ problems in study. 八、阅读理解（15 分，每题 1.5 分，2 篇）

A

Dictionaries are very important tools for students. When you encounter a new word, you can look it up in a dictionary to find its pronunciation, definition, and usage. There are different types of dictionaries, such as English - Chinese dictionaries and Chinese - English dictionaries. Online dictionaries are also very popular now. They are convenient and provide more examples. In addition to dictionaries, there are other reference books like encyclopedias and thesauruses. Encyclopedias can give you detailed knowledge about various topics, and thesauruses can help you find synonyms for words. Using these reference books can improve your study efficiency.

1. What can dictionaries help us find?