Unit 8 Our Blue Planet Lesson 3 Thinking skills课后练习 2024-2025学年仁爱科普版（2024）七年级英语下册

Unit 8 Our Blue Planet  Lesson 3 Thinking skills

课后练习

一、词型转换

1. pollute（名词）________2. waste（形容词）________

3. importance（形容词）________4. protect（名词）________

二、短语翻译

1. 节约用水 ___      _____2. 保持水干净 ___      _____

3. 世界水日 ___      _____4. 重复利用水 ___      _____

5. 关掉水龙头 ___      _____

三、根据句意及首字母或汉语提示补全单词

1. We should save water because it is very p________.

2. Don't l________ in the rivers or lakes. It will pollute the water.

3. World Water Day is on March 22nd every year. Its p________ is to make people know the importance of saving water.

4. We can take a s________ shower to save water.

5. It's everyone's duty to protect our ________ (地球).

四、用所给词的正确形式填空

1. We should do something ________ (protect) our environment.

2. It's important for us ________ (save) water in our daily life.

3. The water in the river ________ (be) polluted. We can't swim in it.

4. Many schools hold ________ (activity) on World Water Day.

5. Let's make a list of dos and ________ (don't) to save water.

五、句型转换

1. We should save water. (改为一般疑问句)

________ we ________ water?

2. The water is very important. (改为感叹句)

________ important the water ________!

3. We can take a short shower to save water. (对划线部分提问)

________ can we ________ to save water?

4. We need to make a poster for this day. (改为否定句)

We ________ ________ to make a poster for this day.

5. It's important to keep the water clean. (改为同义句)

________ the water clean is important.

六、完形填空

Water is very important  1  living things. Without water there can be  2  life on earth. All animals and plants need water. Man also needs water. We need water to drink, to cook food and to clean  3  . Water is found almost everywhere. Even in the  4  part of the world, there is some water in the air. You can not see it  5  feel it when it is part of the air. The water  6  seas, rivers is a liquid (液体). The water in the air is not a liquid  7  a gas (气体). Clouds are made of water. They are little  8  of water. When the water  9  , it is rain. Falls of snow are also made of water. You may say that there is  10  water in the world. But we can not use most of it. We can only drink or use the water that comes from rivers, lakes and underground. And we can not even use