According to ___ announcement by Guangzhou Price Bureau, ____ new measures which have been taken recently are expected to cut the operation costs of each taxi driver by 1280 yuan.

A．the, \

B．an, the

C．\, the

D．an, \

轻度缺水是指人体缺水占体重的

A．2%
B．4%
C．6%
D．7%
E．8%