Unit 2 A country life is a healthy life
milk(牛奶)country(国家)take(学习；上（课）)grandparent(祖父；祖母；外祖父；外祖母)still(仍然；依旧；还是)更多单词 >>
Unit 6 The secret to good health
at least( 至少)less(更少)least(adv.最小；最少adj.&pron.最小的；最少的)simple(adj.简单的；易做的)even(adv.甚至；连；愈加)更多单词 >>
Unit 8 A trip to Hong Kong
Disneyland(迪士尼乐园)were(（are的过去式）是)better(（well的比较级）更好的)felt(（feel的过去式）感觉)later(adv.以后)更多单词 >>
Unit 10 Then and now
office(办公室)village(村庄；村镇)ago(以前)store(n.商店)nearby(adj.附近的；邻近的adv.在附近；附近)更多单词 >>
Unit 11 I like the Spring Festival best
their(他们的；她们的；它们的)race(赛跑)moon(月亮)each other( 相互)Mid-Autumn Festival(中秋节)更多单词 >>
