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仁爱版七年级下册英语 Unit 8 Our blue planet wrapping the topic 练习
一、根据句意，用方框中所给词的适当形式填空。
machine, dirty, bath, throw, away, still, introduce, search, percent
1. If you don't know how to save water, you can________ for suggestions online.
2. The ________ is making a lot of noise(噪音) in the factory.
3. The floor is________, we need to clean it.
4. I take a________every evening before going to bed.
5. Please ________ away the waste in the bin.
6. The old toy is ________ under the bed.
7. Let me ________ some information about our school to you.
8. About 99 ________ of water on the earth is sea water or ice.
9. We should not let water go ________unused(未使用)。 Every drop is important.
二、读文章填空，每空一词，使句意完整。
Water is important to us. We need water for drinking, cooking and washing. But there's not enough water on the earth. So, we need to save water.
It's not hard for us to help save water. 1________ are many things we can do at home. For example, wash 2________ many clothes as possible at a time. Do not take long showers. Turn off the tap each time after using the water. Don't keep the water running 3________ brushing the teeth. As students, we can also help save water at school. Have a class activity about saving water 4 making a poster and giving speeches(演讲). Collect the rainwater to do cleaning or water plants. Tell the teachers when we find a tap leaking(漏水).
Remember, every drop of water counts! What 5________you waiting for Let's take actions from now on.
三、阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。每空限填一词，每词限用一次。
so, for, brush, rain, throw, try, different, dirty, if, do, choice
Water is very important to us. With no water we can not live well. But there isn't enough water on the earth. ________, we need to save water.
We can save water by ________ little things in our life. When we are at home, it is a good to take a quick shower, not a bath. Don't take a shower ________ too long. Wash more ________ clothes at a time. When there are just a few clothes, don't use the washing machine. Turn off the tap when ________ our teeth. We can also save water when we are outside home. We can collect water when it is . We should drink all the water in the bottle before it away.
If everyone ________ his best to save water, we are sure to make a ________ in saving water.
四、书面表达。
根据提示，用英语写一篇短文说一说我们在家里如何重复用水。
节约用水，一水多用：淘米水可以用来洗菜、拖地、浇花、冲马桶。
写作要求：
1. 文中须包含提示，可适当发挥；
2. 文中不得出现真实的姓名和学校名称；
3. 词数70左右。
参考词汇：basin盆；used用过的；flush(用水）冲洗；toilet厕所；马桶。
How to Reuse Water at Home
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答案：
一、根据句意，用方框中所给词的适当形式填空。
1. search
2. machine
3. dirty
4. bath
5. throw
6. still
7. introduce
8. percent
9. away
二、读文章填空，每空一词，使句意完整。
1. There
2. as
3. while
4. by
5. are
三、阅读短文，从方框中选择适当的词并用其正确形式填空，使短文通顺、意思完整。
1. So
2. doing
3. choice
4. for
5. dirty
6. brushing
7. raining
8. throwing
9. tries
10. difference
四、书面表达。
How to Reuse Water at Home
Water is very important in our daily life. We can reuse water in many ways at home. For example, we can use the water from washing rice to wash vegetables. After that, we can use it to mop the floor or water the plants. Finally, we can use it to flush the toilet. In this way, we can save a lot of water. Let's take action to save water from now on!

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