用无头结点链接方式存储的队列,在进行插入运算时()
A.仅修改头指针
B、头、尾指针都要修改
C.仅修改尾指针
D、头、尾指针可能都要修改
参考答案:D
单词拼写(共l0小题,计10分)
小题1:He has a_________ his dream of becoming the winner in this competition.
小题2:She took part in helping people in the Wenchuan Earthquake. She would never forget this unusual e .
小题3:I like c______ with my friends online very much.
小题4:In Lily’s paper there are f_____ mistakes than in Jack’s.
小题5:I read my essay a_________ in class and everyone can hear me clearly.
小题6:His speech was boring, but he did not r__________ it.
小题7:He is good at thinking. I think he can answer the question in a d__________ way.
小题8:Would you mind not w______ your time?
小题9:Don’t stay up late, or you will feel s___________ in class during the day.
小题10:He joined the army(军队) five years ago, so he has been a s___________ for five years.
用于治疗胃、十二指肠溃疡病,停药后复发率最高的药物是
A.西米替丁
B.雷尼替丁
C.奥美拉唑
D.法莫替丁
E.兰索拉唑(达克普隆)