Lesson 17School Science Fair1. _ n. 奖品;奖赏 2. _ n. 录像;视频3. _ n. 张;片 4. _ n. 参观者1. video_(复数) 2. visitor_(复数)_(v. )1. _赢得一等奖 2. _对感兴趣3. _一片/张 4. _不同种类的1. 我有两条消息要告诉你。I have_ _ _ news to tell you. 2. 这个书店有很多不同种类的书。 There are many_ _ _ books in the bookshop. 3. 他弟弟对唱歌感兴趣。他也擅长讲有趣的故事。His brother_ _ _ singing. He is also good at telling_ stories. Lesson 17School Science Fair核心单词:1. prize2. video3. piece4. visitor单词变形:1. videos2. visitorsvisit核心短语:1. win first prize2. be interested in3. a piece of4. different kinds of重点句型:1. twopiecesof2. differentkindsof3. isinterestedininteresting