项目建议书中投资估算精度要求一般应达到( )。
A.±10%
B.±15%
C.±20%
D.±30%
参考答案:C
解析:项目建议书阶段的投资估算和成本估算,精确度在+20%左右。
-- What do you think of David ?
-- There are some things that are not easy to , and his coldness is one .
A.put aside
B.put up with
C.think of
D.get along with
下面程序把从终端读入的文本(用@作为文本结束标志)复制到一个名为bi.dat的新文件中,请填空。 # include<stdio.h> FILE*fp; main() char ch; if((fp=fopen(______))==NULL) exit(0); while((ch=getchar())!=’@’)fputc(ch,fp);______;