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【简答题】
The sun is the closest star to Earth. Its ( ) gives Earth light.
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参考答案:
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【简答题】Mika is a ( ) . She started college when she was only 14 years old! Now she is an astronomer.
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【简答题】The famous astronomer Edwin Hubble ( ) in 1953. He was 63 years old.
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【单选题】What kind of scientist was Henrietta Leavitt?
A.
biologist
B.
chemist
C.
astronomer
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【单选题】What was her big discovery?
A.
the size of stars
B.
the brightness of stars
C.
the number of stars
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【单选题】How does Dr. Watkins describe Leavitt?
A.
hard working and smart
B.
sad and intelligent
C.
famous and hard working
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【简答题】1892 ( )
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【简答题】1868 ( )
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【单选题】What do we know now because of Leavitt’s work?
A.
All stars are really bright.
B.
The universe is really big.
C.
There are millions of stars.
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【简答题】1893 ( )
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【简答题】1912 ( )
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相关题目:
【简答题】Mika is a ( ) . She started college when she was only 14 years old! Now she is an astronomer.
查看完整题目与答案
【简答题】The famous astronomer Edwin Hubble ( ) in 1953. He was 63 years old.
查看完整题目与答案
【单选题】What kind of scientist was Henrietta Leavitt?
A.
biologist
B.
chemist
C.
astronomer
查看完整题目与答案
【单选题】What was her big discovery?
A.
the size of stars
B.
the brightness of stars
C.
the number of stars
查看完整题目与答案
【单选题】How does Dr. Watkins describe Leavitt?
A.
hard working and smart
B.
sad and intelligent
C.
famous and hard working
查看完整题目与答案
【简答题】1892 ( )
查看完整题目与答案
【简答题】1868 ( )
查看完整题目与答案
【单选题】What do we know now because of Leavitt’s work?
A.
All stars are really bright.
B.
The universe is really big.
C.
There are millions of stars.
查看完整题目与答案
【简答题】1893 ( )
查看完整题目与答案
【简答题】1912 ( )
查看完整题目与答案
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