【判断题】个人计算机采用 PPPoE 拨号,使用静态 IP 地址接入 Internet 。( )
【单选题】设总体 X 服从正态分布 N(0,1), x 1 , x 2 , ... , x n 是来自 X 的样本,则 x 1 2 + x 2 2 +,...,+ x n 2 ~ ( )
【判断题】Qi baishi is a artist.
【单选题】设 V ={ x =( x 1 , x 2 ,..., x n )| x 1 + x 2 +...+ x n =0 ; x 1 , x 2 ,..., x n ∈ R }, 对于通常向量的加法和数乘运算,集合 V 构成线性空间,则其维数是( )
【单选题】If a diesel engine operates at about 700 r/min, then what is it known as? 如果柴油机在大约700 r/min的速度下运行,那么它可以被称作什么?
A.
A slow speed diesel engine. 低速柴油机
B.
A high speed diesel engine. 高速柴油机
C.
A medium speed diesel engine. .中速柴油机
D.
None of the above is true. 以上都不是
【判断题】Qi Baishi is very famous for painting bamboo.
【简答题】Qi Baishi was an o________________ artist in China . He was very famous.