【单选题】Suppose you were a buyer, you would probably prefer payment by ________ ?
A.
30% T/T, 70% against copy of B/L
B.
30% T/T, 70% L/C 60 d/s
【单选题】设f(x)在点x=0处可导,且f(0)=0,则 ( )。
【单选题】砌筑有保温要求的六层以下建筑物的承重墙宜选用( )
【单选题】— _______ is it from your home to school? — It's five kilometers . [ ]
【判断题】船舶大风浪中航行值班轮机员应加强巡视,注意主机转速变化,防止飞车和增压器喘振;
【单选题】设f(x)在点x=x 0 处可导,且f′(x 0 )=-2,则 等于 [ ]
【单选题】—Do you know______ he is? —He says '1.75 meters', but I'm not sure. [ ]
【单选题】对“襟三江而带五湖”句中“襟”字的解释正确的一项是