债权人分立、合并或者变更位所未通知债务人,导致履行债务发生困难,债务人可以( )或将标的物提存。
A.终止合同B.解除合同C.中止合同D.不履行合同
参考答案:C
-- Mr John, would you please speak a little more ________ ?
-- Sorry ! I thought you could follow me.
A.quietly
B.quickly
C.slowly
D.politely
E-mail地址由用户名和域名两部分组成,这两部分的分隔符为______。