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搜题
【单选题】
参加生物转化的有关氧化酶是A.
加单氧酶系
B.
细胞色素b
C.
细胞色素氧化酶(aa3)
D.
细胞色素
E.
转氨酶
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【简答题】What does Alyssa like to do when she is angry?
【单选题】The girl asked the teacher _____. [ ]
A.
what does the museum looks like
B.
what the museum looks like
C.
what the museum looked like
【单选题】All flight ____ because of the snowstorm, many passengers could do nothing but stay at the airport.
A.
had been cancelled
B.
were cancelled
C.
having been cancelled
D.
have been cancelled
【单选题】All flights ____because of the snowstorm, many passengers could do nothing but stay at the airport.
A.
had been cancelled 过去完成时
B.
were cancelled
C.
having been cancelled
D.
have been cancelled
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