题目

计算(－32)÷(－8)的结果是( ) A．－32    B．－8    C．－4    D．4 答案：D 【解析】 试题分析：根据有理数的除法法则可得：(-32)÷(-8)=+(32÷8)=4. 故应选D. 考点：有理数的除法.–Please ________ your brother when I'm on business. —My pleasure.A. look at B. look up C. look like D. look after