有以下程序#includeint main(){ FILE *fp; fp=fopen("filea.txt","w"); fprintf(fp,"abc"); fclose(fp); return 0;}若文本文件filea.txt中原有内容为“hello”，则运行以上程序后，文件filea.txt中的内容为（ ）。
A. helloabc
B. abclo
C. abc
D. abchello
查看答案
How does the man face his life after suffering great misfortune?(video 1)
A. He keeps a positive attitude toward life and benefits a lot from adversity.
B. He is defeated by the setback.
which one is not the description of happy, positive, and optimistic people? (video 2）
A. Earn higher incomes
B. Experience more stress
C. More energetic
D. live longer
How ___ the green one?Well, you must try it on.
微信支付 
支付宝支付