【简答题】何谓材料的吸水性、吸湿性、耐水性、抗渗性和抗冻性?各用哪些指标表示?
【判断题】原文:Such is human nature in the West that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.译文:西方国家许多人常常愿意牺牲较高的薪水来换取成为白领工人的殊荣,这是他们的本性。
【单选题】社会主义核心价值观中对于个人层面的描述是( )
【判断题】原文:Such is human nature in the West that a great many people are often willing to sacrifice higher pay for the privilege of becoming white-collar workers.译文:西方国家许多人常常愿意牺牲较高的薪水来换取成为白领工人的殊荣,这是他们的本性。
【单选题】Such is human nature that many people don’t value things they possess until they’ve lost them .
【简答题】何谓材料的吸水性、吸湿性、耐水性、抗渗性和抗冻性?各用什么指标表示?
【简答题】假设变量a、b和c均为整型,以下语句借助中间变量t把a、b和c中的值进行交换,即把b中的值给a,把c中的值给b,把a中的值给c。例如:交换前,a=10,b=20,c=30;交换后a=20,b=30,c=10。那么______;a=b;b=c;______。