关于妊娠期胆囊的描述正确的是
A.妊娠期胆囊容积明显变小B.妊娠期胆囊壁明显变厚C.妊娠期胆囊容积明显增大D.妊娠期胆囊容积变化不大E.妊娠期胆囊壁无明显变化
参考答案:D
— Bill is ill. Do you know what's wrong with lum?
—Poor boy. His illness is the_________of eating unhealthy food. [ ]
A. result
B. cause
C. reason
D. end
简述政府区域经济政策的功能。