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3. 你能告诉我怎么阻止孩子们玩电脑游戏吗?

Can you tell me how to          children     playing computer games ?

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 Everything you do leaves a   " carbon footprint"(碳足迹).For example, when you travel in a taxi, the car gives off(排放)C02 into the air. C02 is a greenhouse gas. Greenhouse gases make the earth become warm. To protect our environment, we need to leave less of a " carbon footprint”. How big is your carbon footprint? To get an idea, take a look at the following numbers. Living area

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★   If you only use six minutes to take a shower, you can cut that number by 154 kg a year.

根据短文内容,选择最佳答案。

(   ) 1. If you take an eight-minute shower every day, you'll produce       of

C02 per year.

A. 154kg    B.185 kg

C.616kg    D. 723kg

(   ) 2. Which of the following activity will leave a " carbon footprint"?

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②Travel in a car

③Wash clothes in the washing machine

④Dry clothes in the sun

A.①②③       B.②③④

C.①③④       D.①②④

(   ) 3. Which of the following statements is NOT true?

A.    C02 is a greenhouse gas that can make the earth warm.

B.    If we turn off our TV sets when we are not using them, we can cut the number of C02.

C.    The less of a " carbon footprint" we leave, the better our environment

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A.    Say "No"to Air Pollution

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 I like to take a walk on a pretty day. I like to look at trees and plants. I like to look for animals too. Today I'm going on a different walk ——a trash walk. Do you want to join me? Let's go. I'll get the trash bags. You get the gloves. As we walk we can look at trees,plants and animals. On this walk we'll look for trash,too. When we see it,we'll pick it up. This will help the Earth.

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B. Look at trees and plants.

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D. Look for animals.

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Xiu Jie : It was a mixture (混合)of fun and work. 

Tingting;1

Xiu Jie :I went to the People's Park on Saturday morning with some of my classmates.

Tingting : 2

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