英语七年级下册Section B课文课件ppt

这是一份英语七年级下册Section B课文课件ppt，共15页。

1.Then the guide taught us hw t make a mdel rbt.(教材P65)然后导游教我们如何制作机器人模型。[解读] (1)在本句型中,“hw t make a mdel rbt”是“疑问词+动词不定式”结构,在句中作宾语,相当于一个由该疑问词引导的宾语从句 (=hw we culd make a mdel rbt) 。(2)“疑问词+动词不定式”结构中的疑问词包括疑问代词wh,what,which和疑问副词hw,when,where等。(3)“疑问词+动词不定式”结构还可放在tell,shw,teach,learn,knw, wnder,discuss,remember,frget,find ut等动词(词组)之后作宾语。I dn’t knw what t d next.我不知道下一步该做些什么。Can yu teach me hw t make dumplings?你能教给我如何包水饺吗?
(4)“疑问词+ 动词不定式”结构还常在句中作主语、宾语、表语等。Where t g is a prblem.到哪里去是一个问题。(主语)I knw where t find the key.我知道在哪儿找到钥匙。(宾语)The questin is hw t learn English well.问题是如何学好英语。(表语)
2.They weren’t expensive.(教材P65)它们不贵。[解读] expensive是形容词,意为“昂贵的”,相当于dear。其反义词为cheap或inexpensive。I dn’t want t buy the expensive shirt.我不想买这件昂贵的衬衫。It’s expensive t travel by plane.坐飞机旅行很贵。
3.Everything was abut rbts and I’m nt interested in that.(教材P65)任何东西都是关于机器人的,我对此不感兴趣。[解读] everything用作不定代词,意为“所有事物;一切”,作主语时,谓语动词用单数形式。Everything begins t grw in spring.春天万物开始生长。I hpe everything ges well.我希望一切顺利。Everything is ready.一切就绪。助记every(adj.每个的)+ thing(n.东西;事情)= everything 所有事物;一切类似单词还有:every+bdy=everybdy人人;每人every+day=everyday每日的;平常的every+where=everywhere到处;无论何处
4.The rms were really dark and it was difficult t take phts...(教材P65) 房间实在很昏暗,很难拍照……[解读] It’s+形容词+t d sth.意为“做某事怎么样”,其中it是形式主语,真正的主语是动词不定式短语t d sth.。It’s exciting t play snwmen in winter.冬天,玩雪人是一件令人兴奋的事。
Sectin B1a　1.a　2.c　3.b　4.e　5.d　6.f1b　1.It was terrible.　2.It was great.1c　Jane:went t the cuntryside,climbed a muntain.Tny:went t an art museum,saw sme paintings,drew pictures.2a　gd:interesting,exciting,lucky,delicius,large,great,lvely,clbad:difficult,bring,expensive,slw,terriblebth:ht,fast,cheap2b　1.Yes,they thught the trip was great,but Jim didn’t like it at all.