霍乱中型患者补液量()
A.<3000ml/d
B.3000~4000ml/d
C.4000~8000ml/d
D.8000~12000ml/d
E.>15000ml/d
参考答案:C
He often plans ______ a very relaxing vacation. [ ]
A. having
B. have
C. to have
D. to having
稻作区划主要是依据自然生态因素、社会经济因素、稻作生产特点,以()境为基本单元,做出的全国性稻作区划图。
A、省
B、市
C、县
D、乡(镇)