表明气道阻塞具有可逆性的检查结果是（）。

A.1秒钟用力呼气容积（FEV₁>60%预计值

B.最大呼气流量（PEF>60%预计值

C.吸入沙丁胺醇后FEV₁>15%

D.吸入倍氯米松后FEV₁>15%

E.支气管激发试验阳性

The head teacher with his students _______Teanchengshan Park if it _______tomorrow.

A．is going to; isn’t rainy

B．are going to; isn’t rainy

C．is going to; won’t rain

D．are going to; doesn’t rain