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【单选题】
What kind of scientist was Henrietta Leavitt?
A.
biologist
B.
chemist
C.
astronomer
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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.
【单选题】Leavitt got a job at _____.
A.
Yale University
B.
the University of Massachusetts
C.
the University of California
D.
Harvard University
【单选题】Leavitt went to school at ____.
A.
Radcliffe College
B.
the University of Massachusetts
C.
the University of California
D.
Harvard University