下面关于过程调用的陈述中，______是正确的。
A．实参与形参的数量必须相等
B．当实参的数量多于形参的数量时，出现运行时错误
C．当形参的数量多于实参的数量时，多余的形参被逻辑假
D．上面Ｂ)和Ｃ)都对
参考答案：D
解析：[知识点] 过程与过程调用
[评析] 当过程所接收的参数多于所需要的个数时，Visual FoxPro将产生一个错误信息。例如，如果只列出了两个参数，却使用3个参数调用它，这时将会出错。但如果过程接收的参数个数小于所要求的数目，则Visual FoxPro仅将余下的参数赋初值为“假”(.F.)，而不产生出错信息，因为无法得知最后的参数是被置为“假”值，还是被忽略。
阅读下列应用文及相关信息，并按照要求匹配信息。 从所给的六个选项中，选出最佳选项，并在答题卡上将该项涂黑。 首先阅读下列外国某旅行社对一些旅游地点的介绍： 
下面是一些需旅游者的喜好。请为他们选择适合他们的旅游地点。 小题1:When I was young, I used to travel in some modern cities because I used to believe I could broaden my outlook there ,However, now I find the best way to cultivate my mind is to get close to the oceans, the forests, the hills and the culture behind the nature. 小题2:I am going to travel around several cities near our country in the South America with my girlfriend in this New Year vacation, She is really fond of the ancient tales and stories about a mysterious empire in this old continent. So I am looking for an ideal route to visit Inca Cultrure. 小题3:Nothing is better than exploring an uninhabited land for a postgraduate majoring in Geography, In a holiday, all my classmates are going to the North Pole and carry on some researches there, but I had to go alone several days after they set off, so I hope I can find a tour route and meet them there. 小题4:Although I can enjoy having snow battles with my kids in the winter vacation if we stay at home in China, I would like to take my twins to Egypt, an amazing country in Africa, to feel the different climate,the fantastic Arabic culture and its long history. 小题5:As an American-boun Turkish, I can speak both English and Turkish fluently, but I have never gone back to my original country to visit the relatives living in Istanbul. So if possible, I’d like to fly there, visiting Istanbul and other cities in this great country. |
