原型化方法的基本思想是通过试用,反馈和【 】的多次反复,最终开发出真正符合用户需要的应用系统。
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There are three competing schools of thought among giant squid experts.
基金份额净值与基金份额价格的变化是完全一样的。( )
A. 对
B. 错
Too often we believe what accounts for other’s success is some special secret or a lucky break,________________(但成功却很少如此神秘).
下面的程序执行后,文件test.txt中的内容是______。 #include<stdio.h> void fun(char *fname,char *st) { FILE*myf;int i; myf=fopen("test.txt","w"); for(i=0;i<strlen(st);i++) fputc(st[i],myf); fclose(myf); } main() { fun("test","new one"); fun("test","hello,"); }
A. hello,
B. new onehello,
C. new one
D. hello,ne