内容导读：
unit 5
have soccer ball tennis
racket ping-pong volleyball basketball
bat let play well
sound good sport many
club more class interesting
boring fun difficult relaxing
watch great collection but
only them every day
interest [5intrist] n.兴趣 v.使……感兴趣
拆分：in + t + e + rest
记忆：在(in)十(t)只鹅(e)中，我对剩下(rest)的那只鹅感兴趣。
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