八年级英语下册 Unit 4 Why don’t you talk to your parents Section B 2课件 .ppt

Unit4Whydontyoutalktoyourparents?SectionBPeriodTwoWordspreviewpot-belliedpigadvantagedisadvantageperfectrabbitcompany大腹便便的;大肚子的猪有利条件;优点不利条件;缺点完美的;理想的兔;野兔伙伴DiscussionWhatkindofanimaldoyouthinkispopularnowadays?Readthearticleandanswerthesequestions.(3a)1.Whydoyouthinkpot-belliedpigsarepopular?Firstbecausepot-belliedpigslooknicetopeople.Secondbecausetheywillnotcausetroublestotheirowners.Thirdbecausetheyareeasytokeep.2.Whataretheadvantagesanddisadvantagesofkeepingsuchapet?AdvantagesPot-belliedpigsmakethebestpets.TheywillwatchTVonthesofawiththeirownerseverynight.Theyaretheirbestfriends.2.Whataretheadvantagesanddisadvantagesofkeepingsuchapet?DisadvantagesPot-belliedpigseatalot.Theycanbetoobigtosleepinthehouse,soyouhavetomakethemaspecialpighouse.Also,pigsneedalotoflove.Sometimesyoudonthaveenoughtimetospendwiththem.1.tooto这个短语虽然是肯定的形式，但是表达的是否定的意思：“太.以至于(不能).”。如：Heistoooldtowork.他太老了,不能工作了。Theboxistooheavyforthelittlegirltocarry.这箱子太重,小女孩搬不动。如在too前面或者后面有否定词not，则整个句子表达肯定。如：Thisquestionisnottoodifficulttoanswer.这道题不太难回答。Heistooclevernottoseethat.他很聪明，不会不懂这一点。比较sothat如此.，以至于.而that后的从句多用否定句。Theboxissoheavy,thatthelittlegirlcantcarryit.这个盒子如此重，以至于那个小女孩搬不动它。2.spendon在.上花（时间或金钱）如:Hespendsalotofmoneyonbooks.他花许多钱买书。spend(in)doingsth.花(时间或金钱等)做某事如:Thegovernmentwillspendmoneylookingafterthepatients.政府要花钱去照料那些病人。英语中表“花费”的词语：1)spend的主语必须是“人”，宾语可以是钱、精力、时间等。如：Hespendsmuchmoneyonbooks.他平时将很多钱用在买书上。Hespentalotofmoney(in)buyinganewcar他花很多钱买了一辆新车。2)cost的主语必须是“物”或“事”，表示“费用”、“耗费”，后接life，money，health，time等，侧重于“花费”的代价。Theworkcostthemmuchlabor.这项工作花费了他们很多的劳动。Itcostsyou12poundstogotoLondonbyship乘船到伦敦要用12英镑。3)take表示“花费”时，其主语一般是“一件事”，有时主语也可以是人，它说明事情完成“花费了”。Ittakessbsometime/money/energytodosth.Ittookmetenminutestogotothepostoffice到邮局用了我十分钟时间。Ittakesalotofmoneytobuyahouseasbigasthat买一座像那样大的房子要花很多钱。4)pay的基本意思是“支付”，作为及物动词，宾语可以是“人”、“钱”，如：Hepaidthetaxidriverandhurriedtothestation他付了出租车的钱，急忙向车站赶。Theyhadtopaytwohundredfrancs他得付一百法郎。Wellpayyouinafewdays几天后我会给你钱。5)payfor的宾语为“物”、“事”，for表示支付的原因。如：Youllhavetopaymetendollarsaweekforyourmeals你得每周付给我十美元饭钱。下面两句中payfor的意义不同:Ofcoursewehavetopayforwhatwebuy.当然我们买东西得付钱。Dontworryaboutmoney;Illpayforyou.别担心钱，我会替你付的。Lookatthesenotesabouthamstersandwriteanarticleaboutthem.(3b)popular,quiet,cleaneasytotakecareofcheaperthanrabbitsorcatssmallsometimesnoisyatnightsleepalldayHamstersarepopularpets.Peoplelikethembecausetheyarequietandclean._GroupworkTalkabouttheadvantagesanddisadvantagesofkeepingpetsinanapartment.Fillinthetable.AdvantagesDisadvantagesgood company can be noisy根据汉语完成句子。根据汉语完成句子。1.鹦鹉是最不寻常的动物。_are_pets.2.这些天来最流行的宠物是大肚猪。The_kindofpet_isthe_pig.3.然而，和猪一起的生活并不总是完美的。However,_isntalways_.Parrotsthemostunusualtrendiestthesedayspot-belliedlifewithapigperfectHomeworkWhatkindofanimaldoyoulike?Writeanarticleabouttheanimal.