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【单选题】
According to the American university president,______.A.
everyone understands Einstein's theory today
B.
the theory of relativity can be quickly learned by everyone
C.
Einstein achieved more than any other scientist in history
D.
our ideas about the universe are different today because of Einstein
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【单选题】听力原文： Our environment is being polluted faster than the nature and man's present efforts can prevent it. Time is bringing us more people, and more people will bring us more industry, more motor vehicl...
A.
It's because there are many developing nations.
B.
Ws bemuse people use too many man-made materials.
C.
It's because we have more and more industry.
D.
It's because we are building more vehicles.
【简答题】A.清蛋白 B.α1球蛋白 C.α2球蛋白 D.γ球蛋白 人体血浆中含量最多的蛋白质是( ) 肝脏合成最多的蛋白质是( )
【单选题】听力原文： Our environment is being polluted faster than the nature and man's present efforts can prevent it. Time is bringing us more people, and more people will bring us more industry, more motor vehicl...
A.
It's because there are many developing nations.
B.
It's because people use too many man-made materials.
C.
It's because we have more and more industry.
D.
It's because we are building more vehicles
【单选题】The doctors have tried very hard rescuing from the vital brain damage, but all their efforts went ______.
A.
in vain
B.
in no way
C.
without effect
D.
without fail
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