对n个元素的序列进行冒泡排序时,最少的比较次数是______。
参考答案:n-1
解析: 当初始元素正序时,第一趟比较n-1次,交换数为0,完成排序。
因为0.5=0.50,所以0.5和0.50的计数单位相同.______.(判断对错)
Lewin was interested in taking research beyond books and looking at how it could ____ real social change
A.bring up
B.bring about
C.bring in
D.bring out