Unit5WorkingtheLand词汇知识点课件高中英语人教版选择性

Unit5WorkingtheLand

vocabulary

hybridhybridricen杂交种;混血儿;混合体shortagen[C]&[U]不足;缺乏;短缺

devotevt。把...用于;致力于;献身于devote...to...把...用于...devoteoneselfto(doing)sth献身于;致力于;专心于=bedevotedto(doing)sthdevotedadj.devotionn.

tacklecrisisthepoliticalcrisis政治危机

boosttoboostone'smoral增强士气yieldboostyield增产

convinceconvincesbofsth使某人相信某事convincesbtodosth说服某人去做某事【扩展】convincedadj.convincingadj.attainattainone’sgoal达到目标

characteristic【扩展】charactern

.conventional.pollinateself-pollinating

assumption【扩展】assumevtItisgenerallyassumed(that)...普遍认为，...intensethroughintenseeffort

.expandexpandoutput【扩展词】expansionn.扩张；膨胀；阐述

.outputexpandoutput【拓展】inputn.输入.estimateitisestimated+(that)从句据估计，...

.domestic=native反义词foreign.consumption【扩展词】consumev消费；消耗consumern.消费者

.generate

.strain（植物、动物的）品种；种类;拉伤；压力.leisureleisuretime

/activitiesthesedaywehavemoremoneyandmoreleisuretoenjoyit.

.deepdown在内心深处;本质上;实际上.soildeepdown,Yuanisstillverymuchafarmeratheart.

.celebrityHecareslittleforcelebrityormoney..envisionvisionvisible

.sorghum.broomn[C]扫帚；金雀花Anewbroomsweepsclean.新官上任三把火。

.grain.realityinreality实际上;事实上realadj.reallyadv.realityn.popularadj.popuparityn.personpersonalpersonality

.vision【扩展词】visibleadj.可见的invisibleadj.不可见得.saltyadj咸的;含盐的【同根词】saltn.盐tastetastysunsunnydustdustymudmuddy

.urban【拓展】ruraladj.郊区的.bomb

.tunnel.extension【同根词】extendv.延伸，扩大，延长；持续，包括，波及前缀ex-表示“出，出去”expand扩大；发展

.chemicalchemicalelement化学元素【同根词】chemistrychemist

n.化学家；<英>药剂师；<英>药店，药房.wheatwheatflour小麦粉

.flavordifferentflavours.fertilizer

.nutritionpoornutrition营养不良【同根词】nutritionaladj.营养的；滋养的nutritiousadj.有营养的，营养丰富的；滋养的.alleviatealleviatebackpain

.povertyliveinpoverty过着穷苦的生活【同根词】pooradj.poorly

adv.pesticidepest害虫词根cide表示“杀；切开”

.organicorganicfood有机食品【同根词】organn.器官；机构organizeorganization.widespread

.bacterium(plbacteria)细菌.digestdigestionn.消化，消化能力

.inturn【拓展】byturns轮流;交替taketurns轮流;依次turnaway把...转过去;把...打发走turndown①关小;调低(音量等)【反turnup】②拒绝(=refuse)turnin上交(BrE=handin);上缴turninto(使)变成;(使)成为turnoff关(水、煤气、电灯等)【反turn

on】;离开I拐出(某条路)turnon①开(水、煤气、电灯等)【反turnoff】②使(某人)产生兴趣③对....发怒;突然攻击turnout①制造;生产;培养出②原来(是);证明(是);结果(是)③出席;参加turnover①翻身;(使)翻转;翻过(书页)②移交③反复考虑turnup①开大;调高(音量等)【反turndown】②(人)到达;出现③(尤指失去后偶然)被发现④找到;发现:

.essentialnecessary=vitalitisessentialthatsb(should)dosthitisessentialforsbtodosthessentiallyadv本质上;根本上

.mineralmineralwater矿泉水mineminer.grocerygrocerystore)

.alternativehavenoalternativebuttodosthalternativelyadv

.instanceforinstance(=forexample)例如以...为例.depthdeepadj.wideadj.