题目

Technology makes listening to holiday music easier than ever. There are endless sources to help you find your favorite Christmas tunes and many other songs. People have explored how to listen to holiday music with high-tech devices.Apple MusicThis is the first year you can use Apple Music to listen to holiday songs. Apple Music has more than 30 million songs and is available in over 100 countries.Tell voice assistant Siri to play holiday music to open the music program on your iPhone, iPad or Apple TV. Apple Music app is available in the Google Play store, but not with a voice assistant.For th小圆半径是3分米，大圆半径是5分米，小圆面积与大圆面积的比是A.3：5B.9：25C.25：9