互补吸引作用的局限性表现为()。
A.相反未必相成
B.异性相吸
C.相辅相成
D.反其道而行之
参考答案:A
This new model of car is so expensive that it is beyond the reach of those with________income.[ ]
A.frequent
B.traditional
C.extra
D.average
处方的核心内容是
A.前记
B.诊断
C.正文
D.用药
E.后记