必修四词性变化练习题unit2VIP专享VIP免费

必修四课文基础知识记忆与练习巩固unit2一熟记下面重点单词词性变换后完成相关习题，要求抄写在课本上1.hungern.&v.[U]饥饿；欲望；（使）饥饿→hungryadj.饥饿的2.expandv.使变大；伸展→expansionn.[U,C]扩大；扩展3.satisfyvt.满足，使相信，使满意→satisfiedadj.对……表示满意→satisfactory/satisfyingadj.满意的，令人满意的→satisfactionn.满意4.freeadj.&adv.自由的(地)；免费的(地)vt.解放→freedomn.自由5.equipv.配备，装备→equipmentn.[U]装备；设备6.discovervt.发现，找到→discoveryn发现→discoverern.发现者二、重点词词形变换1.Thechemicallabis________withplentyofmodern_________.(equip)2.Tohis__________,everybodyseemstobe_________bythisquestion.(confuse)3.Mikehasbeen__________forhissuccessinhiscareer.(struggle)4.“Ihavebeen_________notbeingtherewhenmymotherdied.”Stevensaid________.(regret)5.Therehasbeenadramatic________inthereleaseofcarbondioxidesincethegovernmenttookeverymeasureto_________it.(reduce)6.Itis________tothinkaboutsomuchworktodo.Ihavetodisconnectmymobilephoneinordernottobe________.(disturb)7.HehasChinese________.Ournewspaperisa________newspaper.(nation)8.Columbusissaidtohave________Americain1492.(discover)三、课文回顾Bornintoapoorfarmer’sfamilyin1931,YuanLongping,oneofChina’smostfamousscientists,1_________(work)thelandtodohisresearch.His2_________(sunburn)faceandarmsandhisslim,strongbodyarejustlikethoseofmillionsofChinesefarmers,3_______whomhehasstruggledforthepastfivedecades.Sincehe4__________(graduate)fromSouthwestAgriculturalCollegein1953,hehasbeenfindingwaystogrowmorerice.Hesearchedforawaytoincreasericeharvests5_________expandingtheareaofthefields.6________(Owe)tohisresearch,theUNhasmoretoolstoridtheworld7_____hungerandthefarmersareproducingharveststwiceaslargeas8_________.Richandfamous9________heis,hedoesn’tcareaboutitandissatisfiedwithhislife.LongagoDrYuanhadadreamaboutriceplantsastallassorghum.Nowhehas10________dream---toexporthisricesothatitcanbegrownaroundtheglobe.三重点单词短语记忆1记忆步骤一遮住中文，看着英文想出中文意思，二记忆单词读音和拼写之后，在右边横线写出相应的英语单词和短语左边记忆右边检测1decaden.十年；十年期2.equipv.配备；装备3.regret(regretted)vt.(对……)遗憾；惋惜4.reducev.减少；减缩5.focusv.集中(注意力)；聚焦n.[U,C]焦点；中心点6.commentv.表达意见；作出评论n.[U,C]评论；议论7.strugglevi.&n.斗争；拼搏；努力8.disturbingadj.引起烦恼的；令人不安的9.confusevt.使迷惑；使为难10.exportv.输出；出口11.skimvt.浏览；略读12.underlinevt.画底线标出；强调1.thanksto幸亏；由于；因为(有时作反语)2.ridsb./sth.of使某人/某物摆脱3.besatisfiedwith对……表示满足或满意4.wouldrather宁愿……5.buildup逐渐建立；逐渐增强体质；积累；开发6.leadto导致；造成（后果）；通往7.keep...freefrom/of使……免受(影响/伤害)；使……不含(有害物)8.focuson集中(注意力、精力等)于9.commenton对……作出评论四词性变化拼写巩固1.______n.&v.[U]饥饿；欲望；（使）饥饿→______adj.饥饿的2.______v.使变大；伸展→______n.[U,C]扩大；扩展3.______vt.满足，使相信，使满意→______adj.对……表示满意→______adj.满意的，令人满意的→______n.满意4.______adj.&adv.自由的(地)；免费的(地)vt.解放→______n.自由5.______v.配备，装备→______n.[U]装备；设备6______vt.发现，找到→______n发现→______n.发现者2