【单选题】You are performing two sums, the first is a sum of two scalar variables and the second is a matrix sum of a pair of two— dimensional arrays—size 1000 by 1000. What speedup is achieved when the calcula...
【简答题】At the age of four , our kids began to help us with the housework. They helped __ 1 __ their pets and clean the house. Now Tate can make her bed , __ 2 __ her clothes and set ( 布置 )the table. Last wee...