【单选题】下列关于抽样标准误的叙述中哪个是错误的?
【单选题】下列叙述中锴误的是( )。
A.
对于各种特定的输入算法的时间复杂度是固定不变的
D.
算法的时间复杂度与实现算法过程中的具体细节无关
【单选题】以下 关 于 面 向 对 象 继 承 的 叙述 中 , 错 误 的 是 ( )。
D.
继承仅仅允许单重继承,即不允许一个子类有多个父类
【简答题】—You've made great progress in your studies of English, haven't you? —Yes, but much . A. remains to do B. is remained to do C. remains to be done D. is remained to be...
【单选题】It’s time you changed your attitude ___ your studies, for the time is running out.
【单选题】After a short holiday, he _____ himself once more to his studies.