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【单选题】
癌基因的产物有A.
cAMP
B.
含有稀有碱基的核酸
C.
生长因子
D.
化学致癌物质
E.
以上均不是
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举一反三
【单选题】No one could say how the magician was able to pull a rabbit out of his hat until he later ______________ his tricks.
A.
threw light on
B.
take light on
C.
take out
D.
took out
【单选题】Could you me how to it in Chinese? [ ]
A.
say ; speak
B.
speak ; say
C.
tell ; say
D.
say ; tell
【单选题】I loved the cabin in the village because it ’s full of() charm.
A.
urban
B.
city
C.
rustic
D.
common
【简答题】完形填空。 Hi, my name is Jeff. Last summer I had a l vacation. I went across We drove six to eight the USA 2 my parents by car. 3 a day. In big cities, we stayed in big hotels. The food 4 usually delici...
【简答题】完形填空 Hi, my name is Peter. Last summer I had a 1 vacation. I went across the USA 2 my parents by car. We drove six to eight 3 a day. In big cities, we stayed in big hotels. The food 4 usually delicio...
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