Although he is very old, _____ he works 发布时间:2017-06-22 23:23 │ 来源:www.tikuol.com 题型:选择题 问题: Although he is very old, _____ he works very hard. [ ]A. and B. but C. / D. so
题型:选择题 已知A、B的值、表达式A2/(5A+B)的求值过程,该公式求值过程可用前驱图__(1)__来表示,若用PV操作控制求值过程,需要__(2)__的信号量。空白(2)处应选择()A.3个且初值等于1B.2个且初值等于0C.2个且初值等于1D.3个且初值等于0 查看答案