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【简答题】
The ( ) between the sun, the moon, and the stars is very great.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】What was her big discovery?
A.
the size of stars
B.
the brightness of stars
C.
the number of stars
【单选题】How does Dr. Watkins describe Leavitt?
A.
hard working and smart
B.
sad and intelligent
C.
famous and hard working
【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.