话题Importantpeople,historyandmethodsofagriculture(农业科学家、农业的历史和农业耕作)功能Persuasion(说服;劝说)语法Thev.ingformastheSubjectandObject(动词的ing形式作主语和宾语的用法)重点单词struggle,decade,hunger,disturbing,super,output,circulate,expand,battle,freedom,therefore,equip,export,chemical,confuse,regret,mineral,focus,reduce,rid,production,bacteria,summary,nutrition,skim,underline,comment重点短语rid...of,besatisfiedwith,thanksto,wouldrather,buildup,leadto,focuson,keep...freefrom/of重点句型1.DrYuanLongpinggrowswhatiscalledsuperhybridrice.2.Thisspecialstrainofricemakesitpossibletoproduceonethirdmoreofthecropinthesamefields.3.Thankstohisresearch,theUNhasmoretoolsinthebattletoridtheworldofhunger.4.Hewouldmuchratherkeeptimeforhishobbies.1.strugglev.&n.挣扎;努力;奋斗;斗争;艰难地进行归纳拓展(1)struggletodosth.努力做某事;挣扎着做某事struggleagainst/with同……作斗争struggletoone’sfeet挣扎着站起来strugglefor为……而斗争;努力争取……struggleon挣扎着,坚持下去(2)withastruggle费劲地Theyhadtolearntostruggleagainst/withallkindsofdifficulties.他们不得不学会与各种困难作斗争。TheboystruggledtohisfeetbeforeIranover.我还没来得及跑过去,这个男孩就挣扎着站起来了。Thepeopleofthiscountrywillcontinuetostruggleforindependence.这个国家的人民将继续为他们的独立而斗争。We'velosttwoofourbestplayersbutwe'restrugglingon.我们失去了两名最好的队员,但我们仍在努力坚持着。AfterashortstruggleIgottheknifeoffhim.经过短暂的搏斗,我从他手里夺过了刀子。【链接训练】①Howeverimpressivetherecordis,itfadesnexttothestoryofArmstrong'sstruggle________disease.A.againstB.forC.fromD.to【解析】struggleagainstdisease“同病魔作斗争”。【答案】A②Weareengagedinabitter________againsttheenemytoseizethecity.A.struggleB.warC.conflictD.fight【解析】fight意为“打斗,打架”;conflict意为“冲突”;war意为国家间的全面“战争”;struggle意为“较长时期的、激烈的争斗”,符合题意。【答案】A2.expandvt.&vi.扩大,增加;使变大;使增强;使膨胀;阐述;细谈归纳拓展(1)expandinto/in...使扩大,变大;把……扩展expandon/upon阐述,详谈(2)expand...into...把……扩展/发展成……(3)expansiveadj.易扩张的;易膨胀的;广阔的expansionn.扩张;膨胀;扩大;发展Metalsexpandwhentheyareheated.金属受热则膨胀。Achild'svocabularyexpandsthroughreading.孩子的词汇量通过阅读得到扩大。Thesmallpocketdictionarywasexpandedintoalargervolume.该袖珍词典被扩展为较大的词典。Heexpandedon/uponhisnewplan.他详述了他的新计划。同类辨析expand,extend,spread,stretch与enlarge(1)expand展开,扩大,使膨胀;不仅指尺寸的增加,还可指范围和体积的扩大。(2)extend伸长,延伸,指空间范围等的扩大,以及长度、宽度的向外延伸,也可指时间的延长。(3)spread伸开,传播,一般指向四面八方扩大传播的范围,如传播(疾病)、散布(信息)等。(4)stretch伸展,拉长,一般指由曲变直、由短变长的伸展,不是加长。(5)enlarge指面积、体积和范围的扩大以及能力的增长,不能用来指重量、速度、时间等。【链接训练】用expand的适当形式填空①Atyre________whenitispumpedair.②The________ofgasesusuallydependsonthetemperature.③Nowthe________landisbecomingsmallerandsmaller.【答案】①expanded②expansion③expansive3.equipvt.装备;配备归纳拓展(1)equip...forsth./todosth.为了(做)……而装备……equip...with...用……装备……,使装(具)备equiponeself整装,预备行装(2)beequippedfor准备好,对……有准备beequippedwith装(配)备;安装befully/specially/poorly/wellequipped装备齐全/独特/简陋/完好(3)equ...