已知函数f（x）=sinωx+cosωx（ω＞0），如果存在实数x1，使得对任意

The crowd cheered and cheered. The man with the horn（号）waved and smiled his great smile. “More! More!” cried the crowd. And Louis Armstrong took his horn and began to play again.

Here he was in England. Now a famous man, he was rich. He knew many important people. Wherever he went, people knew his name. They wanted to hear his music. As he played the sad, slow songs, Louis thought of his home in New Orleans. He lived there as a boy. It was a busy, exciting city. But Louis’s family was very poor. He went to work to help his mother. He also went to school. One of Louis’s teachers asked him to join the school band. “This horn is yours until you leave our school,” his teacher said. Louis’s music was jazz and he loved it. He remembered all the music he heard. He didn’t learn to read music until he was a man.

When he left school, he played on many bands. He loved his work and people loved him. They knew that he had a wonderful talent. Louis played in little towns and in big cities. Armstrong’s horn had as many sounds as ten horns—sometimes slow and sometimes sweet; sometimes fast and hot, high and low. His music was always strong and exciting. “He does make wonderful music,” said the man who listened happily. “Yes,” said another man, “he makes that horn speak. ”

The music ended and the crowd cheered. Louis Armstrong spoke with tears in his eyes, “I think, my friends, you can listen to as much jazz as I can play. I thought jazz was my music; but now I understand it is ours. It is beautiful that music brings us together. ”

小题1:Louis went to work when he was _______.

A．a schoolboy

B．a musician

C．famous

D．a man小题2:Louis was very smart but he didn’t learn to read music until ______.

A．he left school.

B．he was in the the school band.

C．he became a grown-up.

D．he became famous.小题3: He was famous for ______.

A．his horn

B．his sad songs

C．his wonderful jazz music

D．his love for music小题4:Which of the following is the best title for this story ?.

A．Musician

B．A beautiful horn.

C．The man with the horn.

D．Sweet smiles.

2005年5月5日，甲拒绝向乙支付到期租金，乙忙于事务一直未向甲主张权利。2006年4月1日，乙因出差遇险无法行使请求权的时间为20天。根据《民法通则》的有关规定，乙请求人民法院保护其权利的诉讼时效期间是( )

A．自2005年5月5日至2006年5月5日

B．自2005年5月5日至2006年5月25日

C．自2005年5月5日至2007年5月5日

D．自2005年5月5日至2007年5月25日

内痔好发于肛门齿线上（）

A.截石位3、7、11点

B.截石位3、9点

C.截石位6、12点

D.截石位1、8点

E.截石位4、10点

爬坡能力用汽车满载时（）在良好的路面上的最大爬坡度来表示。

常委会组成人员10人以上联名，可以在全国人大常委会会议上，对国务院及其各部委、最高人民法院和最高人民检察院提出质询案。