We should often help _______ poor. [ ]
A. a
B. 不填
C. the
答案:C
肺结核重症患者作标准化疗的疗程为
A.3~6个月
B.6~12个月
C.12~18个月
D.18~24个月
E.24—36个月
运行中高压加热器进汽压力允许超过规定值。