在一个具有n个结点的有序单链表中插入一个新结点并仍然保持有序的时间复杂度是()。
A.O(1)
B.O(n)
C.O(n2)
D.O(nlog2n)
参考答案:B
解释技术的正确做法是( )。
A.准确把握情况B.不分对象C.不分时间、场合D.坚持说明原因
Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams can tell us about ourselves. It’s like our (11) is talking to us. Why are dreams (12) strange and hard to understand Some people think our brain uses (13) to talk to us. When we fly, swim, or fall down in our dreams, it has a (14) meaning. Lots of doctors help people (15) their dreams. They find that dreams tell us about our (16) and fears. These days, many scientists (17) that dreams are very important. During the day, we have many (18) , and our brain receives a lot of information. When we dream, our brain (19) information that is not important, and puts the most important information into our (20) . As we learn more about the brain, we may find answers to our questions about dreams.
Ⅰ. 完形填空
A.never
B.seldom
C.ever
D.often