题目内容
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A．on B．for C．by D．at
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B.is chosen
C.was chosen
D.was choosing
A.comply
B.make
C.expedite
D.come
The best title for this passage would be ______.
A．The Atmosphere and Our Environment
B．Research on Radiation
C．Effects of Space Radiation
D．Importance of Protection Against Radiation
He is widely ______ as one of our best young scientists.
A．regarded
B．blessed
C．concerned
D．noted
A.good
B.well
C.better
D.best
A．on B．for C．by D．at
A.A. in
B.B. to
C.C. out
D.D. away
What is probably the best title for the passage？
A．Cara Lang, a Fortunate Girl
B．Take Our Daughters to Work Day
C．Children's Day and Work Day
D．Ms. Foundation, an Organization for Women
If we don't______, we shall destroy ourselves.
A．change the water, air and the earth
B．improve our technology
C．try our best to save the world
D．educate people
