【简答题】在同一正态总体中以固定 n 随机抽样,理论上有 99% 的样本均数在 范围内。
【单选题】I can't decide to choose which of them to ________. [ ]
【判断题】褐藻、红藻、绿藻大多生活于淡水中。( )
【判断题】If I were not to make a preparation for my experiment this afternoon, I would have gone to see the film with you last night。 ()
【简答题】运行OSPF协议的DROther使用( )将LSU(链路状态更新)数据包发送给DR和BDR。
【简答题】教育基本制度第十二条:汉语言文字为学校及其他教育机构的基本教学语言文字。少数民族学生为主的学校及其他教育机构,可以使用本民族或者当地民族通用的语言文字进行教学。学校及其他教育机构进行教学,应当推广使用全国通用的( )。
【简答题】―Which would you like, a hamburger or a sandwich? ― _____ of them is OK. I think _______ of them are delicious. A.Either, All B.Neither, both C.All, either D.Either, Both
【单选题】If I ____Alice, I _____them the truth.
【单选题】通过向导建立高速计数器时,应选用( )。
【单选题】If I were a teacher, I would allow my students to ____ by themselves. [ ]