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其结果可判定为中阳性者为：

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【B7】

A. if
B. whereas
C. while
D. although

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若是由于血型不合引起的，病人的血型肯定不是

A型Rh阳性
B型Rh阳性
C. AB型Rh阳性
D. O型Rh阳性
E. O型Rh阴性

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有形席位采用场外报盘方式，无形席位采用场内报盘方式。()

A. 正确
B. 错误

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It seemed that Andrei Pavel______.

A. played nearly at his highest level during the match
B. nearly beat Federer in the second set
C. had a break of serve by Federer
D. was completely controlled by Federer

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