膝半月板损伤和膝关节内游离体的共有体征是：（）. A.关节内积液 B.弹响和交锁 C

根据短文判断下列句子的正确的(T)与错误( F)。

     Have you seen the videos on TV? Do you wear large T-shirts and baggy jeans? Or have you heard someone

rap (说唱)? Hip-Hop is very hot now.

     Hip-Hop music was started in the middle of the 1970s by African Americans in New York. The music,

break-dancing (霹雳舞) and graffiti (涂鸦) make up Western Hip-Hop culture. Most of the Hip-Hop songs are

about love, jobs or even games.

     Usually in rap, singers speak words very quickly to a certain beat. Most of the words are fun. Singers play

off words to make fun of themselves or others. Hip-Hop music has few rules. Singers just do what they think

and rap it out in a clever or creative way. The freedom makes a lot of teenagers fall in love with the music.

Many of them like wearing large T-shirts and baggy jeans. Famous rap and Hip-Hop stars include Eminem in

the U. S. and Jay Chou from China.

     Today Hip-Hop is more and more popular across most of the world.

( )1. African Americans started Hip-Hop music in the middle of the 1970s in New York.

( )2. There are three main kinds of music in Western Hip- Hop culture.

( )3. Hip-Hop music is very popular, but it has a lot of rules to follow.

( )4. From the passage we know Jay Chou is a famous rap and Hip-Hop star.

( )5. Many teenagers don't like wearing large T-shirts or baggy jeans.

列举东汉末年内迁的少数民族的民称。

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某无色溶液中，若加入NaClO溶液或适量HCl溶液，均能产生淡黄色沉淀。则该溶液中可能大量存在的离子组是[ ]

A．Na⁺、K⁺、S^2-、Cl^-

B．H⁺、Na⁺、S^2-、NO₃^-

C．K⁺、Ca²⁺、S^2-、SO₃^2-

D．Na⁺、S^2-、SO₃^2-、SO₄^2-

与我国相邻的东南亚国家有_______ 、________ 、缅甸。

会计期间中的“中期”就是指半年。( )