—Students should try to do a little studying every evening throughout the term, rather than study all night

during the week before the exam.  

—Exactly. ____________.[ ]

A. Practice makes perfect                

B. The early bird catches the worm

C. Slow but sure wins the race        

D. Delays are dangerous

下列哪一条不应按新药审批

A．正在合成阶段中的药品

B．国内已上市，但改变剂型、改变用药途径的药品

C．国内上市，但国外未上市的药品

D．药品说明书临床应用的变更

E．单方成分改为复方成分