下列哪项不属于无牙颌口腔前庭的解剖标志A．颧突B．上颌结节C．翼上颌切迹D．颊侧翼缘

    Music is different from songs. Songs express feelings with lyrics, but music with tones (音调). Unlike

songs, music tones in themselves have no specific meanings. Different people may get different things from

the same musical performance. Though some music works are difficult to understand, people need music

in their daily life because it brings fun to them. Different people like different music: some love classical

music, and others take pleasure in pop music. Most young people like pop music.

    Pop music began in the USA and became popular around the world during the 1950s and 60s. The

best-known early kind of pop music was “rock and roll”. Pop music has taken the place of native music

in many parts of the world. It has caused the number of people for “jazz” music to become much smaller

than in the 1950s and earlier and it has now begun to become the most popular. Much pop music is

without artistic value (价值), but the works of some pop singers such as the Beatles, Bob Dylan, the

groups like Pink Floyd and Crosby are excellent. And there is still great interest in it today. Pop music

concerts and festivals are held all over the world.

1. The biggest difference between music and songs is _____.      

A. feelings  

B. lyrics and tones  

C. languages and countries  

D. meanings

2. According to the passage, the number of people for jazz in the 1950s and earlier was _____ it is today.

A. much greater than  

B. much smaller than  

C. as great as  

D. as small as

3. What does the underlined word "kind" mean?      

A. Type.    

B. Class.  

C. Feature.      

D. Entertainment.

4. Which of the following has now become the most popular according to the passage?      

A. Native music.          

B. Jazz.  

C. Pop music.                

D. Classical music.

5. Which of the following is NOT true according to this passage?      

A. People can get different things from the same piece of music.      

B. Pop music began to be popular in the mid-twentieth century.      

C. The best known early form of pop music was “rock and roll”.      

D. Much pop music is of great artistic value, so it interests young people greatly.

气电立焊与焊条电弧焊相比焊接效率高、焊缝成形美观、劳动强度（）。

关于万有引力和万有引力定律的理解正确的是(   )

A．不能看做质点的两物体间不存在相互作用的引力

B．只有能看做质点的两物体间的引力才能用F=计算

C．由F=知，两物体间距离r减小时，它们之间的引力增大

D．万有引力常量的大小首先是由牛顿测出来的，且等于6.67×10^-11N·m²/kg²

“道不同，不相为谋。”这句话出自（）。

A、《诗·小雅·大东》

B、《荀子·正名》

C、《论语·述而》

D、《孟子·尽心下》

刘小姐跟王先生谈恋爱时候生了一个孩子。小孩两岁时候打的结婚证。不知这种情况能否申领独生子女证？有法律依据吗？