治疗支气管肺炎抗生素应持续用至
A.体温正常后2~3天
B.体温正常后2~5天
C.体温正常后3~7天
D.体温正常后5天
E.体温正常后5~7天
参考答案:E
若b-a>-a,则b>0.______.(判断对错)
One can’t be really happy if _________he enjoys doing is regarded by society as of no importance.
A.how
B.that
C.what
D.where