Lesson 1 Excuse me!
Contents Lesson 60 The future 哈勃望远镜发射太空国家航空和航天局10亿有错误的宇航员航天飞机机器人手抓被发射到…从最开始主要的镜子纠正做必要的修复 语法重点Text
Lesson 1 Finding fossil manWe can read of things that happened 5000 years ago in the Near East where people first learned to write. But there are some parts of the world where even now people cannot w
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capsule n. 容器layer n. 层 beneath prep. 在......之下lower v. 放下降低 progress v. 进展进行smoothly adv. 顺利地 many men have been trapped in a mine and for how
前言英文中26个字母A a I i Q q Y y B b J j R r Z zC c K k S sD d L l T tE e M m U uF f N n V
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Lesson 13 A new dress 一件新连衣裙Listen to the tape then answer this question. What colour is Annas hat听录音然后回答问题安娜的帽子是什么颜色的LOUISE: What colours your new dressANNA: Its : e upstairs and
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