呋塞米的作用部位是()
氨苯蝶啶的作用部位是()

A.髓袢升支粗段皮质部

B.集尿管

C.髓袢升支粗段髓质和皮质部

D.远曲小管和集合管

E.远曲小管

People have realized that they should go on __ balanced diet and do _____ exercise every day.

A．a; /

B．the; an

C．the; the

D．/; an