单选题According to the information given in the passage, if two20-year-old twins lived on earth, and one of them left on a journey for Alpha Centauri at very close to the speed of light, then managed to survive the journey and return to earth having aged 40 years during the journey, what could she expect to find upon her return to earth?AHer great-grandmotherBHer twin at the age of 20CHer twin at the age of 40DHer twin at the age of 60EHer twin’s great-grandchildren
单选题
According to the information given in the passage, if two20-year-old twins lived on earth, and one of them left on a journey for Alpha Centauri at very close to the speed of light, then managed to survive the journey and return to earth having aged 40 years during the journey, what could she expect to find upon her return to earth?
A
Her great-grandmother
B
Her twin at the age of 20
C
Her twin at the age of 40
D
Her twin at the age of 60
E
Her twin’s great-grandchildren
参考解析
解析：
推断题。根据文章第二段“If Mr. Einstein was right about relativity. . . then time slows down when you approach the speed of light. A person traveling at any velocity near the speed of light will age only days for every week, month, or even year that passes on earth.”一句可知，E项是正确的。
推断题。根据文章第二段“If Mr. Einstein was right about relativity. . . then time slows down when you approach the speed of light. A person traveling at any velocity near the speed of light will age only days for every week, month, or even year that passes on earth.”一句可知，E项是正确的。
相关考题：
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