战略数据规划方法产品、服务及资源的生命周期划分为有序的四个阶段，其第一个阶段应该是
A．获得
B．计划
C．管理
D．终结
参考答案：B
—Thank you so much for the lovely evening, Dennis. —You're quite welcome, Julie. ______. We'd been looking forward to seeing you.
A．Were glad to meet youB．I'm afraid you didn't have a good timeC．Thank you for your comingD．Just stay a little longer, please
根据《担保法》的规定，张某和李某双方签订一份价值50万元的合同。为保证合同履行，双方约定定金担保数额最高不得超过（）万元。
A.10
B.5
C.20
D.25
