He speaks English as If he ________ an Englishman.
A. was
B. were
C. had been
D. has been
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未来几年,( )依然是中欧关系的主旋律
A. 相互竞争
B. 合作共赢
C. 优势互补
D. 融合发展
The doctor suggested that he _______ lose his weight.
A. should try to
B. would try to
C. tried to
D. have tried to
砷盐的检查第二法又称为（）
A. 二乙基二硫代氨基乙酸银法
B. 二乙基二硫代氨基甲酸银法
C. 二甲基二硫代氨基乙酸银法
D. 二乙基二硫代氨基丙酸银法
Po Woo is on the 5th day of the twelfth lunar month every year.
A. 对
B. 错
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