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[1] As is known to all,the earth is having trouble burdening so large a population.Will we have another place to live and work in the future?Maybe on Mars (火星)?Many scientists think so.In fact,they are already working on plans to turn Mars into a new earth.
[2] Humans need three basic things to live:water to drink,air to (4)①_____and food to eat.Because of the shortage of those above,it is impossible to live on Mars right now.
Then how can we make Mars a right place for humans to live on?The answer is to change its environment similar to Earth's.
[3] On Mars,the(4)②_____is about -60℃.So one of the main purposes is to warm it up.One idea for warming Mars comes from a problem here on the earth-climate change.Most scientists agree that Earth is becoming warmer because of increased levels of greenhouse gases (溫室效應氣體) in our atmosphere. (3)We might create similar conditions on Mars by building factories that give off greenhouse gases.The gas will change the atmosphere on Mars.Rain will fall,and it may be possible to grow plants for food.There will be many difficulties (4)③_____changing Mars.The program could take many centuries,and the cost will be high.We have some of the technology,such as the ability to create greenhouse gases,but not the money.Anyway,living on Mars is a teal possibility for future people.
(1)Which plans are scientists working on? (No more than 8 words) To turn Mars into a new earth.To turn Mars into a new earth.
(2)How can we make Mars a suitable place for humans to live on? (Within 7 words) To change its environment similar to Earth's.To change its environment similar to Earth's.
(3)Why is Earth become warmer? (No more than 7 words) Because of increased levels of greenhouse gases.Because of increased levels of greenhouse gases.
(4)Fill in each blank in the passage with a proper word.
①breathebreathe②temperaturetemperature③inin
(5)Translate the underlined sentence in the third paragraph into Chinese. 我們可以通過建造排放溫室氣體的工廠在火星上創(chuàng)造類似的條件。我們可以通過建造排放溫室氣體的工廠在火星上創(chuàng)造類似的條件。
(6)Do you think humans will live on Mars in the future?Why? ( The answer would be open) No,because I think it's difficult to change Mars.No,because I think it's difficult to change Mars.
【答案】To turn Mars into a new earth.;To change its environment similar to Earth's.;Because of increased levels of greenhouse gases.;breathe;temperature;in;我們可以通過建造排放溫室氣體的工廠在火星上創(chuàng)造類似的條件。;No,because I think it's difficult to change Mars.
【解答】
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發(fā)布:2024/4/20 14:35:0組卷:0引用:1難度:0.5
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