“In principle,we could do this in the next couple decades.But in practice,because there’s no money,it’s not going to happen.It’s not going to happen in my lifetime,for example,”said Ben.However,NASA’s Elisa Quintana believes that when the nextgeneration space telescope is launched,it will find that we are not alone in the universe.In the meantime,the search continues for other worlds where life may find a home.
【解题导语】 天文学家发现了一颗类似地球的行星,上面有适合生命存在的条件,从此地球或许不再孤独。
1.The difference between the Earth and Kepler186f is
.
A.they circle different parent stars
B.they came into being at different times
C.they move in space at a different speed
D.they orbit their stars at a different distance
解析:选A。细节理解题。两者的差别是它们绕行的恒星不同。由第二段中的“It shares the same characteristics as the Earth,but their parent stars are very different.”可知A项正确。
2.The discovery of Kepler186f is remarkable because
.
A.man has discovered a new home
B.it caused people’s interest in the universe
C.man has found a familiar planet like the Earth
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