第13题: [单项选择]下列程序段的执行结果为______。 Private Sub Command1_Click( ) n = 0 For a = 1 To 20 For b = 1 To 20 For c = 1 To 20 If a * a + b * b - c * c Then n=n+l End If Next c Next b Next a Print n End Sub A. 9 B. 12 C. 10 D. 11 参考答案:B
第22题: [填空题]This is a (health) ______ place--fresh air, plenty of sunshine and clean water. 参考答案:healthful 答案解析:[解析] 本句中需要一个形容词修饰名词place,作定语,名词health有两个形容词,分别为healthy和healthful,其中healthy意为“健康的”,healthful 意为“有益于健康