五、(2025·淮安市金湖月考)首字母填空。
Have you ever thought of living on Mars?
Our Earth is becoming more and more c1.
And at the same time there's terrible p2 here. If we move to Mars, things will probably change. However, it may be d3 for people to have a conversation there, because sound doesn't travel very f4 on Mars. The low pressure(气压) makes it so. For example, a s5 by a human scream on the Earth can travel a little over a kilometre. But on Mars, the sound from that same scream will only move 15 metres at m6. Besides, the atmosphere(大气) on Mars is also much t7 than that on the Earth. On the Earth, our atmosphere is about 3 km t8, while it is very thin on Mars. Also the Earth has an e9 higher temperature than Mars. The temperature on Mars is -87 ℃ to -5 ℃, so, are you r10 to go to Mars?
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