已知链队列Q的头、尾指针分别是front和rear，则出队操作是：p=Q->front;;free(p);
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What happens on the day before the sports day?
A. Many people wear colored clothes.
B. The sports field is well prepared for the special event.
C. People are having a big festival.
Who arrive at the sports field first?
A. The students and teachers.
B. The students' parents.
C. The special guests.
The writer is good at __________.
A. the 100-meter race
B. the three-legged rice
C. the sack rack
Find out the activities the writer and his classmates do on the sports day.
A. 100-meter race
B. cycling race
C. high jump
D. long jump
E. three-legged race
F. egg-and-spoon race
G. sack race
H. potato race
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