仿造或变造的汇票票据审查人员应(),并直接通知保卫部门负责人和主管领导
A、归还假票
B、销毁假票
C、扣留假票
D、追查假票
参考答案:C
— Have you seen my e-mail about our TESL project?
— Yes. Luckily I checked my e-mails yesterday. Normally I ______ my e-mail box for days.[ ]
A. haven't opened
B. didn't open
C. hadn't opened
D. don't open
冬期施工中,为了提高砼的温度,除可加热水外,还可加热()。