题目内容

How many people suffer from hunger？

A. 8000 million
B. 800 million
C. 80 million

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___________ of what we waste is enough to end world hunger.

A. one fifth
B. one third
C. one fourth

We can do the following to save food: ______(多选)

A. To buy only what you need.
B. To lose weight.
C. To take leftover food home from resaurant.

有以下程序#includevoid swap1(int c[]){int t;t=c[0];c[0]=c[1];c[1]=t;}void swap2(int c0,int c1){int t;t=c0;c0=c1;c1=t;}int main( ){int a[2]= {3,5},b[2]= {3,5};swap1(a);swap2(b[0],b[1]);printf("%d %d %d %d\n",a[0],a[1],b[0],b[1]);return 0;}其输出结果是_______。

A. 5 3 5 3
B. 5 3 3 5
C. 3 5 3 5
D. 3 5 5 3

有以下程序#includeint f(int b[][4]){int i,j,s=0;for(j=0; j<4; j++){i=j;if(i>2) i=3-j;s+=b[i][j];}return s;}int main( ){int a[4][4]= {{1,2,3,4},{0,2,4,5},{3,6,9,12},{3,2,1,0}};printf("%d\n",f(a));return 0;}执行后的输出结果是___________。

A. 11
B. 12
C. 16
D. 18