Unit1 Look it up重点词汇句子专项训练-2025-2026学年沪教版八年级上册英语

沪教版八年级上册英语Unit1 Look it up重点词汇句子专项训练

一、词汇运用

（一）根据首字母或汉语提示写单词.

1. When you don't know a word, you can l______ it up in a dictionary.
2. A thesaurus is a very useful book that helps you find s______ of words.
3. Dictionaries are great tools for us to learn new words. They can provide us with p______  pronunciation and clear definitions.
4. We can get lots of useful i______ from the Internet, but we need to judge whether it's reliable.
5. Using reference books can improve our study e______ and help us learn better.
6. There are many different ______ (资料来源) we can use when we do research, like books, magazines and websites.
7. Please give me a ______ (确切的) answer. I don't want any vague ideas.
8. Historical events can tell us a lot about the development of human society. For example, the Industrial Revolution is an important ______ (历史的) event.
9. It's very ______ (方便的) to look up words using online dictionaries.
10. You should use grammar ______ (正确地) to make your sentences grammatically correct.

（二）用所给单词的适当形式填空

1. Dictionaries are very ______ (help) for us to learn English.
2. We need to learn how to use different sources of information ______ (proper).
3. The Internet provides us with a great deal of ______ (inform).
4. Can you give me a more ______ (precise) explanation of this difficult sentence?
5. These reference books can improve our study ______ (efficient).
6. Using a thesaurus can help us find better ______ (word) to express our ideas.
7. Historical stories are always very ______ (interest) and we can learn a lot from them.
8. It's important to choose ______ (rely) information when we do research.
9. We should develop good reading ______ (skill) to understand texts better.
10. Look up words in a dictionary is a basic study ______ (method).

二、句子训练

（一）完成句子

1. 当你遇到新单词时，你可以在词典里查阅它们。

When you meet new words, you can ______ them ______ in the dictionary.

2. 百科全书能给我们提供关于各种主题的详细知识。

Encyclopaedias can provide us with ______ knowledge about ______ topics.

3. 同义词词典能帮助你找到单词的同义词。

A thesaurus can help you find the ______ of words.

4. 使用不同的信息来源能提高你的学习效率。

Using different ______ of information can improve your study ______.

5. 重要的是要正确地使用参考资料。

It's important to use ______ materials ______.

（二）句型转换

1. We can look up information in reference books.（对划线部分提问）

______ ______ we look up information?

2. Dictionaries are very helpful tools for learning English.（改为感叹句）

______ ______ tools dictionaries are for learning English!

3. You should use online dictionaries to look up words.（改为一般疑问句）

______ I ______ online dictionaries to look up words?

4. The Internet provides us with a lot of information.（改为同义句）

The Internet ______ a lot of information ______ us.

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

Looking up words ______ ______ us understand new vocabulary.

三、选词填空（从方框中选择合适的单词，并用其正确形式填空）

 

 

 

1. We can use ______ dictionaries to look up words quickly.
2. This is a very useful ______ book. It helps me a lot.