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外语
How do you explain that we are moving?
How do you explain that we are moving?
admin
2009-03-13
38
问题
How do you explain that we are moving?
We cannot feel speed. But our senses let us know that we are moving. We see things moving past us and feel that we are being shaken. We can feel acceleration, an increase in speed. But we notice it for only a short time. For instance, we feel it during the take-off run of an airplane. We feel the plane’s acceleration, because our bodies do not gain speed as fast as the plane does. It seems that something is pushing us back against the seat. Actually, our bodies are trying to stay in the same place, while the plane is carrying us forward.
Soon the plane reaches a steady speed. Then, because there is no longer any change in the speed, the feeling of forward motion stops.
选项
A、When the plane stops climbing.
B、When the plane lands.
C、When there is no longer a change in speed.
D、When we begin to feel speed.
答案
C
解析
题干问:“什么时候能感觉到向前运动停止了?”对话材料最后说:“Soon the plane reaches a steady speed.Then,because there is no longer any change in speed,the feeling of forward motion stops.”该句的意思与答案C的意思一致。
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公共英语三级笔试题库公共英语(PETS)分类
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公共英语三级笔试
公共英语(PETS)
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