Young students are ______ not to smoke, either in or out of school.

A．suggested

B．requested

C．hoped

D．invited

经行风疹块血虚证的经血特点是（）

A.月经推迟，量少色淡

B.月经推迟，量多色淡

C.月经推迟，量少色红

D.月经提前，量多色红

E.月经提前，量少色黯