【简答题】下列程序的运行结果是【 】。 x='计算机等级考试' Y='' L=LEN(X) DO WHILE L>=1 Y=Y+SUBSTR(X,L-1,2) L=L-2 ENDDO ?Y
【单选题】我国社会主义民主是维护人民根本利益的最广泛、最真实、 的民主。
【单选题】On 5 March, a business sold 10 units of goods on credit which were delivered to the customer on 7 March. On 10 March the customer returned 3 units and was given a sales allowance. The customer paid th...
【单选题】以下所列"药学服务的属性与特征"中,最正确的是
【判断题】我国社会主义民主是维护人民根本利益的最广泛、最真实、最管用的民主
【简答题】结合课程学习,谈谈对半导体发光二极管 LED 的认识和看法。