(一)Greetings问候语1.Hello!/Hi!你好!2.Goodmorning/afternoon/evening!早晨(下午/晚上)好!3.ImKathyKing.我是凯西金。4.AreyouPeterSmith?你是彼得史密斯吗?5.Yes,Iam./No,Imnot.是,我是。/不,我不是。6.Howareyou?你好吗?7.Fine,thanks.Andyou?很好,谢谢,你呢?8.Imfine,too.我也很好。9.HowisAmy/yourwife/yourhusband?爱米好吗?/你妻子好吗?/你丈夫好吗?10.Sheisverywell,thankyou.她很好,谢谢。11.Goodni...
一.宾语从句1.宾语从句的含义在整个句子中做宾语的从句叫做宾语从句。如:Sheknewthattheteacherhadseenthefilm.她知道这位老师看过这部电影。(“thattheteacherhadseenthefilm”做knew的宾语,同时又是由连接词that引导的从句,所以它叫做宾语从句。)2.宾语从句的分类(1)动词宾语从句:顾名思义,它是位于动词后面的宾语从句。例如:Heaskedwhosehandwritingwasthebestinourclass.他问我们班上谁的书法最好。(2)介词宾...
酸•碱•盐一、酸及酸的通性酸的定义:电离时生成的阳离子全部都是H+。酸是由氢离子和酸根离子构成。酸的通性:酸使紫色石蕊试液变红,使无色酚酞试液不变色。金属+酸→盐+氢气Zn+2HCl=ZnCl2+H2↑Zn+H2SO4=ZnSO4+H2↑碱性氧化物+酸→盐+水Fe2O3+6HCl=2FeCl3+3H2OFe2O3+3H2SO4=Fe2(SO4)3+3H2O碱+酸→盐+水NaOH+HCl=NaCl+H2OCu(OH)2+H2SO4=CuSO4+2H2O盐+酸→另一种盐+另一种酸AgNO3+HCl=AgCl↓+HNO3BaCl2+H2SO4=BaSO4↓+2HCl二、...
01宾语从句一、定义在句子中起宾语作用的从句叫做宾语从句。二、连接词that:Ithinkthatyoucanpasstheexam.Whether/if:Idon’tknowwhatthewordmeans.“Wh”:Idon’tknowwhatthewordmeans.Idon’tknowwherehefoundthebook.只用whether的情况:1.与ornot连用:Idon’tknowwhetherit’srainingornot.2.与动词不定式连用:Hedoesn’tknowwhethertoaccepttheinvitation.3.连接词前有介词时:Itdependsonwhetherheiscoming.三、时态1....