听力原文:W:Hello,Tom. Where are you going? M:Hello,Julia! I'm going to my aunt's. W:Is that box heavy? M:No, it' s light. W:But it's filled with books! Can I help you? M:Of course. Could you open the door,please? W:OK. M:Thanks. What was in the box?
A.
A lot of books.
B.
A book.
C.
Some paper.
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【单选题】有如下函数void fun(int a[3][4]){ int i=0,j=0; for(i=0; i<3; i++){ int s=0; for(j=0; j<3; j++) { s=s+a[i][j]; } a[i][3]=s; }}执行如下程序片段int a[3][4]={1,2,3,4,5,6,7,8,9};int i;fun(a);for(...