【单选题】II类粗集料宜用于强度等级( )的水泥混凝土。
【多选题】由于流体具有( ),液流在管道中流动需要损耗一部分能量,它由( ) 损失和( ) 损失两部分组成。
【简答题】There was a(n) ____ long silence in the room. Neither of them had the nerve to say something to break the ice.
【单选题】一个汉字的国标码需要用2个字节存储,其中每个字节的最高二进制位的值分别为 ______。
【单选题】The Mekong River Commission has found no evidence ______ the dams on the upper reaches have an influence on the water flow downstream.
【简答题】A. feed F. prosperous K. violently B. drifted G. migrants L. abundance C. harmony H. heart M. spell D. puzzle I. delighted N. raised E. blaze J. silence O. complain There was once a town in the 01. __...
【多选题】下列可作为编制记账凭证依据的原始凭证有( )。