合成催化剂降温使用的是()。
A、空气
B、低压蒸汽
C、氮气
D、合成气
参考答案:C
None at the Iraq police station ________ the car bombing last week .[ ]
A. survived
B. was survived in
C. had survived
D. has survived in
凡办理“固定期限交易”的客户,按具体到期日交割;办理“择期交易”的客户,则可在择期期限内的任意一天进行交割。交割日后3个工作日为客户与中国银行办理正常交割的宽限期。远期结售汇业务交割日后3天为客户与我行办理交割的宽限期,宽限期内交割的视同如约交割。()