外研版八年级下册英语Module3Unit1教学课件.pptVIP

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 2) yet“还，尚”，用于现在完成时的一般疑 问句和否定句句尾。 你看过这部电影了吗？ Have you seen the film yet? 辨析：yet和already yet already 用于现在完成时的否定和一般疑问句，谈论尚未发生的事情。 用于现在完成时的肯定句，谈论已经发生的事情。 注意：在肯定句中用already，变疑问句时要把already换成yet，并放句末。 — The drama series The Thunder (《破冰行动》) hits screens three days? — Oh, what a pity! I __________ any of them yet. doesn’t watch B. didn’t watch C. won’t watch D. haven’t watched （镇江中考改编） 3. That’s why it’s on the news. 1) that’s why… 意为“那就是……的原因”。 That’s …为主句，why it’s on the news在句中 作表语，从句的语序用陈述句语序。 那就是汤姆学习好的原因。 That’s why Tom studies well. 2) on 在（播放）中；关于…… 电视正在播放什么节目？ What’s on the TV? discover意为“发现；找到”，强调发现客观存在但不为人知的事物，后可接名词做宾语。 4. So have they discovered life on Mars? 1492年哥伦布发现了美洲。 Columbus discovered America in 1492. 辨析：find，find out，invent和look for find find out 找到 查明；弄清楚 invent look for 发明 寻找 强调寻找的结果和能力 强调经过一番努力而查明真相 强调创造出以前没有的新事物 强调寻找的动作 New energy cars have been _______ to cut down air pollution. A. discover B. found C. invented D. refused （葫芦岛中考） Pronunciation and speaking 5 Listen and underline the words the speaker stresses. 1. I’ve just made a model spaceship for our school project. 2. I haven’t started yet because I’m not sure how to make it. 3. Has it arrived yet? 4. Astronauts have already been to the moon. Now listen again and repeat. 6 Make lists of what we have and have not done in space travel. We have ... A dog has travelled in space. Men have travelled to the moon. Spaceships have taken photographs on Mars. We have not ... We have not built houses in space. Astronauts have not been to Mercury. Scientists have not visited Venus. 7 Work in pairs. Talk about space travel with the lists in Activity 6. — Have we sent a spaceship to Mars? — Yes, we have. But… Have we travelled to the moon? Yes, we have. Have we built houses in space? No, we haven’t. Have we _______