元音分为单元音和双元音，具体是以下这20个，分别为，单元音：[e] [ae] [a:] [כ] [כ:] [ʌ] [3:] [ə] [i] [i:] [u] [u:] 、双元音： [ei] [ai] [כi] [əu] [au] [εə] [iə] [uə] 。
There is an apple on the desk. The apple is mine.Well， there is a girl in front of the classroom. The girl is my sister.
Unit 7 Would you like a pie?第7单元 你想要个派吗？点击上方的小喇叭即可收听音频跟读视频Story timeNew wordsCartoon timeLetter timeRhyme timeUnit 7 Would you like a pie?
"above" 表示在某物的上方，但不一定接触着它。例如：The sun is above the clouds.（太阳在云层之上。）The painting is hanging above the sofa.（画挂在沙发上方。）"on" 表示在某物的表面，并产生接触。
