魏晋时的中书省和门下省原本只是充当皇帝秘书的机构，后来权力逐渐增大，进而演变成了国家的核心机关。这反映（    ）

如图，∠1=____°

读拼音，写汉字。 

      lán                      zhèn              shān

____色       一____风         ____动

    Everybody likes music. Everybody can make sounds1a way by singing 2playing an instrument. Many 3 are developing as people find 4 how to sing in different ways. There are many kinds of music5. Then you are sure to find some music that will greatly interest you.

    Music has meaning 6everyone. The old and the young, men and women all 7it. It can 8 people happy or sad. In our modern world, radios and televisions supply us with a constant flow of music, giving us enjoyment.9in a music lesson or at a concert, music means different things to different people. Music belongs to the 10world.