The radiation of uranium was then regarded as_____secret of_____nature.
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A
a;the
B
a;a
C
the;the
D
a;/
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A Christmas tree is ______ sign that can only be understood as far as ______ certain cultural understanding is concerned.
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A
the, /
B
a, the
C
a, a
D
the, a
Jumping out of _______ train running at a speed of 200 kilometers per hour is quite _____ dangerous practice.
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A
/; the
B
/; a
C
a; a
D
the; the
Companies in Zhongguancun all have their own characteristics, but they all share ______ spirit of creativity and scientific skill that have made Zhongguancun________-success.
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A
the; the
B
the; a
C
/ ; a
D
/; /
— What do you think of color of my handbag?— Perfect! It is __ good match for your dress.
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A
a; the
B
the; a
C
a; a
D
the; the
After ____ series of unsuccessful attempts, he has finally passed ______ driving test.
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A
/ ; the
B
a ; the
C
the ; a
D
/ ; a