[单项选择]{{I}}Questions 14 - 17 are based on the following dialogue.{{/I}}Why does Johnson do yard work A. To earn money for school. B. To keep his family’s yard looking nice. C. To be able to work outdoors. D. To get exercise while working.
第14题: [填空题]下面程序的运行结果为 【11】 。 x = -2.3 y = 125 z = Len(Str$(x) + Str$(Y)) Print z 参考答案:H 答案解析:[解析] 本题考查Str和Len函数的用法。Str函数是将数值型量转换为字符型量,因为Y为正数,所以Str$(Y)带一个空格,Str$(x)前面带有“-”号,Len函数是计算字符串的长度,由此可见本题