1、Lesson 20Join Our Club！1. _ v. 参加 2. _ v. 提高；改善3. thinking adj. _ 4. _ n. 技能；技巧5. challenge v. & n. _ 6. _ n. 聚会；会议7. _ v. & n. 行动；扮演 8. _ adj. 有用的；有益的9. _ n. 职能；角色 10. _ n. 队；组11. _ n. 样子；形状 12. _ n. 小池；水塘13. _ n. 水平；标准；质量1. thinking_(v. )_(n. )2. useful_(v. & n. )_(反义词)3. improve_(第三人称单数形式)_(过去式)_
2、(过去分词)_(n. )1. _使某人做某事 2. _ 交朋友3. _同时 4. _享受5. _保持体型1. 我哥哥去年参了军。My elder brother_ the army last year. 2. 我的老师让我努力学习。My teacher_ me _ hard. 3. 听英文歌是学习英语的一种有效的方法。Listening to English songs_ _ _ way to learn English. 4. 我不能边听音乐边写作业。I cant listen to music and do my homework _ _ _ _. 5. 我的好朋友琳达喜欢唱英文歌。她将来
3、想成为一名歌唱家。My good friend Linda enjoys_ English songs. She wants _ _ a singer in the future. Lesson 20Join Our Club!核心单词：1. join2. improve3. 思想的；理性的4. skill5. 挑战6. meeting7. act8. useful9. role10. team11. shape12. pool13. level单词变形：1. thinkthought2. useuseless3. improvesimprovedimprovedimprovement核心短语：1. make sb. do sth. 2. make friends3. at the same time4. enjoy doing5. stay in shape重点句型：1. joined2. makesstudy3. isauseful4. atthesametime5. singingtobe
