SectionⅡGrammar——倍数表达法与形容词/副词的比较级1.形容词/副词的原级比较【语境领悟】*EnglishisasusefulasChineseforus.对我们来说,英语和汉语一样有用。*Heisnotastallashisroommate.他不如他的室友高。*Herunsasfastashiselderbrother.他跑得和他哥哥一样快。*Heisaskindapersonashisfather.他和他父亲一样都是善良的人。【知识归纳】形容词/副词原级比较表示两者程度相同,常用句型为:(1)A+谓语+as+形容词/副词+asBA和B一样……(2)A+谓语+notas/so+形容词/副词+asBA不如B……(3)A+谓语+as+形容词+a/an+单数名词+asBA和B一样是……样的人/物2.形容词/副词的比较级【语境领悟】*Thisappleissweeterthanthatone.这个苹果比那个甜。*Theyworkedharderthaneverbefore.他们比以往工作更努力。【知识归纳】形容词/副词比较级常用句型:(1)A+谓语+形容词/副词比较级+than+B,表示“A比B更……”。(2)A+谓语+not+形容词/副词比较级+than+B,表示“A不如B……”。[考情分析]形容词和副词的比较等级是英语中常见的考点之一,考题常见于语法填空及书面表达中。[即时训练]Ⅰ.单句填空1.AsiaisfourtimesaslargeasEurope.2.Hedoeshishomeworkmoreandmorecarefully.3.Themore_careful(careful)youarethefewermistakesyouwillmake.4.Lookatthetwoboys.Mybrotheristhetallerofthetwo.5.Hishouseistwicelarger(large)thanmine.6.Thisorangeisalittlebigger(big)thanthatapplebutmuchsmaller(small)thanthatwatermelon.7.NowtheairinNewDelhiisratherworse(bad)thanitwasbefore.Ⅱ.同义句转换,每空一词1.Hedoesn'tspeakEnglishbetterthanme.Hedoesn'tspeakEnglishas/sowellasme.2.Heistheyoungestinhisclass.①Heisyoungerthananyotherstudentinhisclass.②Heisyoungerthananyoftheotherstudentsinhisclass.3.Heisnotdiligent.Iamnotdiligenteither.HeisnomorediligentthanIam.4.Ihaveneverreadamoreinterestingnovel.ItisthemostinterestingnovelI'veeverread.5.Youhavefivebooks.AndsodoI.Ihaveasmanybooksasyoudo.Ⅲ.完成句子1.这个房间不如那个大。Thisroomisnot_as/so_bigasthatone.2.这个房间的面积是那间的两倍。Thisroomistwicethe_size_ofthatone.3.这个女孩越来越漂亮了。Thegirlisbecomingmore_and_more_beautiful.4.你越早看医生越好。The_earlieryouseeadoctorthe_betteritis.5.他是这两个男孩儿中比较聪明的那一个。Heisthe_cleverer_ofthetwoboys.6.在这两本词典中,这本更有用。Thisdictionaryisthe_more_useful_ofthetwo.7.她唱得多好啊!这是我听到的最好的嗓音。Howbeautifullyshesings!I'veneverhearda_better_voice.8.他是学习最用功的学生。Heworksharderthan_any_other_student.9.这所房子不如那所贵。Thishouseisless_expensive_thanthatone.10.这所房子和那所一样不贵。Thishouseisno_more_expensive_thanthatone.3.修饰形容词/副词比较级的副词(短语)【语境领悟】*Theexperimentwasmucheasierthanwehadexpected.这个实验比我们预想的简单得多。*Ishefeelinganybetternow?他现在感觉稍好一点吗?【知识归纳】双方比较表示一方超过另一方的程度或数量时,通常可以加副词(短语)来修饰比较级,常见的副词(短语)有:muchevenstillratheranynofaralittleabitalotagreatdeal等。【深化点拨】(1)在比较级中,所列出的比较对象应该是平行关系,具有可比性,不同类事物之间不具有可比性。*我的电脑比她的贵。误:Mycomputerismoreexpensivethanher.正:Mycomputerismoreexpensivethanhers.分析:从逻辑上说,应该是mycomputer与hercomputer作比较,而不是mycomputer与her比较。句中的hers=hercomputer。(2)为了简洁起见,可以用that代替前面出现的不可数名词或者可数名词单数,those代替可数名词复数。*上海的人口比北京的人口多。误:ThepopulationofShanghaiislargerthanBeijing.正:ThepopulationofShanghaiislargerthanthatofBeijing.分析:从逻辑上说,应该是上海人口和北京人口作比较,而不是上海人口和北京这座城...