题型:判断题 If you ______ a fresh mind for an interview, be sure to have a good sleep the night before it.[ ]A. will have B. have had C. are having D. are to have 查看答案
题型:判断题 有如下程序: #include main( ) { FILE *fp1; fp1=fopen("f1.txt","w"); fprintf(fp1,"abc"); fclose(fp1); } 若文本文件f1.txt中原有内容为:good,则运行以上程序后文件f1.txt中的内容为( )。A.goodabcB.abcdC.abcD.abcgood 查看答案
题型:判断题 在反应M+2N==R+2Q中,3.2gM与N恰好完全反应后,生成8.8gR,且反应生成的R和Q的质量比为11:9,则在此反应中N和Q的质量比是[ ]A.16:11B.16:9C.9:16D.4:9 查看答案