Whenwasitinvented【课前预习】1、想出一个主意____________________________2、提及,提到____________________________3、突然____________________________4、几乎,将近____________________________5、被要求不要做某事____________________________6、多于,超过____________________________【答案】1.comeupwithanidea2.mention3.allofasudden4.nearly5.beaskednottodo6.morethan【自主学习】要求:阅读教材书47--48页内容完成下列句子。1.判断某些发明的发明者是困难的。____________________________2.很难说谁先想出了那个想法。______________________________3.我的手表被偷了。___________________________________【答案】1.Itisdifficulttodecideontheinventorofcertaininventions.2.Itishardtotellwhocameupwiththeideafirst.3.Mywatchwasstolen.【合作探究】通过阅读47-48页内容,翻译下列句子,以为写作提供句式。1.我认为……是一项很有用的发明。___________________________________2.……是由……(某人)发明的___________________________________3.……是在……(某时间)发明的___________________________________4.它被用来……___________________________________5.……是由……(材料)制成的___________________________________【答案】1.Ithink…isaveryusefulinvention.2.…wasinventedby…3.…wasinventedin…4.Itwasusedfor…5.…ismadeof…【课堂反馈】根据句意,用括号内所给单词的适当形式填空1.Aglassisusedfor________(drink)water.2.Whatisthemost(use)inventionintheworld?3.Doyouknowthe(heat)icecreamscoop?4.Thiskindofbicyclewas(invent)byamiddleschoolstudent.5.Whatdoyouthinkofthese(invent)?【答案】1.drinking2.useful3.heated4.invented5.inventions【解析】试题分析:1.考查被动语态,beusedfordoing被用来做什么。2.本题考查use的用法,根据句意需要形容词修饰invention.3.heated是形容词作定语。4.考查一般过去时的被动语态,was/were+及物动词的过去分词。5.根据题意需要名次的复数形式故填inventions。意思:你觉得这些发明怎么样?