个人贷款业务中，银行没有实物或第三方保障还款来源的是( )。
A．个人住房贷款B．个人汽车贷款C．信用卡透支D．个人助学贷款
参考答案：C
—Do you know ______ last night?
—Sorry , I don't know. But I think he should go to bed early
because he will have an English exam this afternoon. [ ]
A. when he goes to bed
B. when he went to bed
C. when did he go to bed
D. when does he go to bed
客户满意度测试，“聘请企业外部监督员”的做法，属于以下哪种方法（）
A、问卷调查法
B、样本测试
C、试用测试
D、专职调查测试
