— I hear there'll be _____ talk on teenage problems next Monday.

— Do you mean _____ talk our teacher asked us to listen to? [ ]

A. a; the

B. a; a

C. the; the

D. the; a

麦芽的功效是

A．降气化痰

B．回乳

C．消食和中

D．化瘀止痛

E．行气导滞