选择填空。
She ______ Latin music is awful. [ ]
A.isn't think
B.can't think
C.doesn't think
答案:C
患者女性,46岁,双手及腕关节肿痛5个月,下列检查中,了解患者有无骨吸收和骨侵蚀,最灵敏的检查是
A.X线平片
B.CT
C.MRI
D.病理检查
E.关节超声检查
加碘食盐、高钙牛奶中的“碘”和“钙”是指
A.单质
B.分子
C.元素
D.原子