Drinking water, which is ______ must for any human to survive, has to be stored based

on ______ number of people in the household.

[ ]

A. the; a

B. a; the

C. /; the

D. the; the

根据《联合国 * * 》，联合国成员国必须遵循的原则不包括

A．善意履行 * * 义务

B．以集体武力解决国际争端

C．各会员国主权平等

D．禁止会员国以武力相威胁