【简答题】Passage one Stratford-on-Avon, as we all know, has only one industry-William Shakespeare-but there are two distinctly separate and increasingly hostile branches. There is the Royal Shakespeare Company...
【简答题】下列程序的功能是:从键盘输入若干个学生的成绩,统计最高成绩和最低成绩,当输入为负数时,结束输入。 #include int main(void) { float x,max,min; scanf("%f",&x); max=min= ; do{ if(x>max) max=x; if(x
【单选题】一组数据中的每一个数据都减去 10,得一组新数据,若求得新数据的平均数是6,方差是5,则原来数据的平均数和方差分别是 ( )
【单选题】“中国中央电视台”的英文缩写是:____________.
【简答题】That’s why teachers often (6) ______ the early use of dictionaries and pay attention to content rather than technical ability.
【简答题】一组数据的方差为1/23,若将该组数据中的每一个数都减去10得到一组新数据,则该组新数据的方差为