八年级·上册Unit 1 How often do you exercise? how often多久一次 hardly adv. 几乎不；几乎没有 【助记魔咒】 太困难了，几乎不能做到。 hard（困难的）+ly（副词后缀）→hardly（adv.几乎不） ever adv. 曾；曾...

　　Unit 1 Welcome back! Passage 1 阅读理解一 Learners of English often ask: What are the differences between British and Amer ican English? How important are these differences? Certainly, there are some...

　　Unit 11 Scientific achievement重点、难点、考点精析 1.These are some great scientific achievements that have changed the world.（WARMING UP）这些是曾经令世界改变的巨大科学成就。 (1)scientific的用法 ①...