港澳台居民、外国公民申请龙卡贷记卡主卡的，原则上必须要求申请人提供（）。
A、保证人
B、保证金
C、保证人或保证金
D、推荐人
参考答案：C
________ is the most important for him is not his job, but his family.
A．It
B．As
C．What
D．That
带电水冲洗时应注意哪些事项？
