外研版八年级英语下册《Has it arrived yet?》journey to space PPT优秀课件，共31页。Warming-upDo you know about our solar system?How many planets go around the sun?Which planet is the third planet from the sun?Which planet is the fourth planet from the sun?Words and expressionsearth n. 地球moon n. 月亮，月球news n. 新闻，消息planet n. 行星reach v. 到达；抵达yet adv. 还，尚just adv. 刚才，刚刚model n. 模型Now answer the questions.1.What school project have Daming and Tony got?They have got a school subject on spaceships.2. How does Daming feel about the school project?He isn’t sure how to make the model.3. What news has Tony heard?The spaceship to Mars has reached there.4. Has anyone been to Mars? Why?No one has been to Mars yet, because Mars is very far away, much farther than the moon.Language points1. What are you up to?这个问句的意思是“最近在忙什么? ”I haven’t seen you around lately. What are you up to?最近没见到你，在忙什么呢?be up to表示“从事于，忙于”，后面接名词、代词或-ing形式等。如：All of us are up to good deeds.我们所有人都在做有益的事情。Go and see what these naughty boys are up to.去看看这些顽皮的孩子在做什么。2. I’m not sure how to make it.be sure后可接从句、动词不定式或“介词of/about+名词/代词/动名词”，表示“对……确信、有把握”。I’m not sure whether I’ve met him before.我不能确定以前是否见到过他。He is sure to be back soon. 他不久一定会回来。I am sure of his returning. 我确信他会回来。... ... ...关键词：Has it arrived yet? PPT课件免费下载，.PPT格式； 本作品中主体文字及图片可替换修改，文字修改可直接点击文本框进行编辑，图片更改可选中图片后单击鼠标右键选择更换图片，也可根据自身需求增加和删除作品中的内容，源文件无水印。如认为该内容涉嫌侵权，可通过邮件提出书面通知，我们将及时处理。