有以下程序:#include#includeint main(){char s[5][8]={"red","yellow","green","blue","white"};int i,j; char t[8];for(i=0;i<4;i++)for(j=i+1;j<5;j++)if(strlen(s[i])
A. red
B. white
C. yellow
D. green
有以下程序#includeint main(){char s[][6]={"abcd","abc","ab"};int i;for(i=0;i<3;i++) puts(s[i]);return 0;}执行后的输出结果是
A. abcdabcab
B. aaa
C. abcdbcdcd
D. abc
Listen to a conversation between two friends about pollution and choose the best answer to each of the questions.1. Which of the following is true about Porthcawl?[音频]
A. It is by the sea.
B. The man lives there.
C. It is a place with dirty air.
D. It is a town on the north coast of Wales.
Listen to a conversation between two friends about pollution and choose the best answer to each of the questions.2. What made the man feel upset when he visited Porthcawl?[音频]
A. There are no groups cleaning up the local area.
B. The woman doesn’t care about the environment.
C. Animals and birds die because of plastic pollution.
D. Helping the environment is not within our control.