“克山病”是由于体内()缺乏。
A.碘
B.硒
C.磷
D.锌
E.铁
参考答案:B
第二次世界大战之后,心理学的研究中心偏向了()的评估与矫治。
He doesn't have _____ money for a new watch.[ ]
A. some
B. any
C. many
D. a few