设某循环队列的容量为50,如果头指针front=45(指向队头元素的前一位置),尾指针rear=10(指向队尾元素),则该循环队列中共有()个元素。
参考答案:O
阅读短文,判断正(√)误(×)。
Jim is an English boy. He is from England. He's 13. He is a new student in our class. Today he is in a
yellow coat. The man in black is his father. He is 40. The woman in white is his mother. She is thirty-six.
His parents are both teachers. Jim has a sister, Jane. She is 15. She is in a green skirt today. She is a student
too. Jim has a happy family.
( ) 1. Jim is 13.
( ) 2. His mother is thirty-seven.
( ) 3. His father is a doctor.
( ) 4. Jim has a sister, Jane.
( ) 5. Jim has a happy family
属于综合财务分析方法的有()。
A.比率分析法
B.比较分析法
C.杜邦分析法
D.趋势分析法