Unit 5 Lesson 4单词短语语法强化训练 2025-2026学年冀教版英语八年级下册

冀教版英语八年级下册 Unit 5 Lesson 4单词短语语法强化训练  

一、根据句意及首字母提示补全句子。

1. We should drink p______ milk to keep our bodies healthy.
2. If you don’t cook food well, you might g______ sick from bacteria.
3. The bad weather caused many people to d______ in the old days.
4. Louis Pasteur d______ the process of pasteurization in 1864.
5. We need to h______ the water to kill harmful germs before drinking.
6. The high temperature can k______ dangerous bacteria in food.
7. Scientists are trying to s______ many health problems with new methods.
8. The milk has gone t______ a heating process to make it safe.
9. This kind of food has a special p______ to keep it fresh longer.
10. We should thank scientists for making our food much s______ today.   

二、单项选择。

1. The milk we drink every day ______ through a heating process called pasteurization.

1. go    B. goes    C. went     D. going

2. Long ago, people sometimes got sick ______ drinking raw milk.

1. after    B. before     C. when     D. while

3. Some people even died ______ the bad bacteria in the milk.

1. Because   B. because of      C. so     D. so that

4. Pasteurization is a process ______ keeps milk safe from harmful bacteria.

1. who    B. which     C. what     D. where

5. To solve the problem, Louis Pasteur ______ the process of pasteurization.

1. invent    B. invents    C. invented     D. will invent

6. He heated the milk to 72 degrees Celsius and ______ it at that temperature for 15 seconds.

1. keep    B. keeps    C. kept     D. keeping

7. Harmful bacteria and germs in the milk ______ by the high temperature.

1. kill      B. killed     C. are killed     D. were killed

8. The work of Louis Pasteur saved ______  lives around the world.

1. million    B. millions    C. a million    D. millions of

9. —______ does “pasteurized” mean?

—It means the milk has gone through a heating process.

1. What     B. Why    C. How     D. When

10. —Thank you, Mr Pasteur! You made the world much safer.

—______.

1. You’re welcome     B. That’s right     C. No problem     D. All right   

三、用所给词的适当形式填空。

1. The process of ______ (pasteurize) keeps milk safe to drink.
2. People sometimes ______ (get) sick after drinking raw milk in the past.
3. Some people even ______ (die) because of the bad bacteria long ago.
4. Louis Pasteur ______ (discover) the heating process around 1864.
5. He ______ (heat) the milk to a high temperature to kill germs.
6. This method can ______ (kill) harmful bacteria in food and drinks.
7. Scientists are working to ______ (solve) more problems in food safety.
8. The milk ______ (go) through a special process before it is sold.
9. Louis Pasteur was one of the greatest ______ (scientist) in history.
10. His work ______ (make) the world much safer for us today.   

四、语法填空。

Many years ago, drinking milk could be dangerous. People sometimes got sick 1.______ even died after drinking raw milk. This was because there were harmful bacteria and germs in the milk. Louis Pasteur was a French microbiologist. He 2.______ (invent) a process called pasteurization. This process keeps milk safe 3.______ harmful bacteria. How does it work? First, the milk 4.______ (heat) to 72 degrees Celsius. Then it is kept at that temperature for 15 seconds. The high temperature 5.______ (kill) the harmful bacteria and germs in the milk. After this process, the milk becomes safer 6.______ drink. Pasteur’s work was very important. It saved millions of 7.______ (life) around the world. We should thank him 8.______ making our food and drinks much safer today. Now, every bottle of milk we buy 9.______ (go) through this process. It is a simple but great way 10.______ keep us healthy.