4 From the passage we know that __________.
A. the college earns profits by running its own restaurants and hotel
B. the teaching staff and the students can dine at the restaurants and live in the hotel free of charge
C. a large public will come to the college- run restaurants and hotel to enjoy their service
D. the restaurants and the hotel run by the college are really places for practical training
查看答案
5 What is the passage mainly about?
A kind of classrooms completely different from traditional ones.
B. Useful practice courses in restaurants and hotels.
C. New teaching methods used by the students of restaurant and hotel businesses.
D. College students work as restaurant and hotel staff.
将递归算法转换为非递归算法时，通常需要使用________。
A. 栈
B. 队列
C. 链表
D. 树
如下程序中f(8)的值是________。int f(int n){if(n==1)return 1;elseif(n==2)return 2;elsereturn f(n-1)+f(n-2);}
A. 13
B. 21
C. 55
D. 34
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