砂浆应随拌随用,水泥砂浆和水泥混合砂浆应分别在拌成后( )后使用完毕。
A.4h,3hB.2h,3hC.3h,4hD.3h,2h
参考答案:C
下列情形中,()的诉讼时效期间为1年。
A.身体受到伤害要求赔偿的
B.延付或者拒付租金的
C.因国际货物买卖合同引起争议的
D.出售质量不合格的商品未声明的
E.寄存财物被丢失或者损毁的
There is a fire in the crew’s quarters of your vessel. You should().
A.ventilate the quarters as much as possible
B.prepare to abandon ship
C.close all ventilation to the quarters if possible
D.attempt to put the fire out yourself before sounding the alarm