人教新课标必修1第四单元（知识点讲解）

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1、LanguagepointsforreadingLanguagepointsPhrasesinthetextriseandfallsmellygascomeoutofjumpoutofcrackandburstfalldownthinklittleofone-third/twothirdscutacrossinruinsatanendbeinjuredthousandsofbeleftwithoutparentsblowawayuselesspiecesofsteelgivemilktensofthousandsofinsteadofhundredsofth

2、ousandsofrescueworkerscoalminesdigoutfreshwater分数表达法:分子用基数（one,two…)，分母用序数词(first,second…)，当分子超过1时，分母的词尾加s.1/3:onethird2/3:twothirds1/4:onefourth(a/onequarter)1/5:onefifth3/5:threefifths24/5:twoandfourfifths1/2:ahalf或onehalf(例外)百分数表达法：百分数+单n+单谓；百分数+复n+复谓75%：seventy-fivepercent90%:n

3、inetypercent▲Morethan70%ofthesurfaceoftheearthiscoveredbywater.▲40%ofthestudentsinourschoolaregirls.数词+量词+形容词twohundredkilometersaway两百公里远eightkilometerslong八公里长thirtymeterswide三十米宽四米深fourmetersdeep五米高fivemetershigh六米厚sixmetersthickThetrainissevenminuteslate.Mywatchiseightminutesfa

4、st.(adj快的)1.Imagineyourhomebeginstoshakeandyoumustleaveitrightaway.imagine:formamentalpictureimagine+n./pronimaginesb.tobeshake:causetomovetoandfrorightaway:atonce;innotime;immediatelyrightnow:atthisverymomentMakeupyourmind_r_i_g_h_t_n_o_w___.I’llreturnthebook__r_ig_h__t_a_w_a_y_.2

5、.risevi.&raisevt.He_r_o_s_e_fromhischairwhenthedoorbellrang.Herjobis_r_a_is_i_n_g_chickens.Hertemperatureisstill_r_i_si_n_g_.He_h_a_s_r_i_se_n_inrankrecently.3.A_sm__e_l_ly_gascame_o_u_t_o_fthecracks.smelly:smell+y=adj.smelln./v(smelt/smelled)Theywereallhungryandthefood_s_m__e_lt_g

6、ood.Ican_s_m__e_ll_somethingburninginthekitchen.Pleasethrowthe_s_m_e_l_ly__fishaway.4.…thewaterpipesinsomebuildingscrackedand_b_u_r_st_.burst:tocomeopenorflyapartsuddenlyTheballoonsuddenlyburst.burstinto+n.Somerobbersburstintothathouse.burstoutburstout+doingTheyburstoutlaughing.bur

7、stinto+n.burstout+doing……Heburstintolaughter.=HeburstoutlaughingHeburstintotears.=Heburstoutcrying.atanendCompare:attheendofbytheendofintheendattheendof用于表示具体事物或场所的场合，它也可以用来表示比喻意;bytheendof用于表示时间的场合到……结束的时候，用语过去完成时态;intheend意思“最后、终于”。1).Hisfatherwillreturnhome_a_t_th__e_e_n_d__o_ft

8、hisyear.2).Hewillbeascient