Unit3ConservationTopicTalk词汇课件高中英语北师大版选择性

选择性必修一Unit3ConservationTopicTalk词汇by:Emily1.conservationn.保护；管理；节约

conservev.保护；节约

conservativeadj.保守的；守旧的

①Environmental_____________(conserve)hasbeenahottopicinrecentyears.②节约用水至关重要。

___________________________________.conservationConservationwaterisofgreatimportanceconversation交谈；谈话2.destroy

v.破坏；毁掉

destruction

n.破坏，摧毁

destructive

adj.破坏性的

destroynature毁坏自然

易混词对比：

destroy-destroyed-destroyed3.plastic

n.塑料

adj.

塑料制的

plasticwaste

塑料垃圾

plastics

n.塑料;整形外科

4.recycle=re+cycle

v.再回收；回收利用

recyclable

adj.可回收的

unrecyclable

adj.不可回收的

①Weallneedtorecycleandreducetheamountofwasteweproduce.

②cutdowntheuseofunrecyclableplastic.

5.informative

adj.有教育意义的

information

n.

信息

inform

v.通知

informsbof/informsbthat通知，告知Thelecturewasreally___________(inform).

informative6.threat

n.威胁;构成威胁的人/事（常用复数）

threaten

v.威胁

threateningadj.带威胁的，恐吓的

threatenedadj.受到威胁的①Theuseofoilandcoalisoneofthebiggest________(threat)toourplanet. ②Wildlifehasbeengreatly___________(threat)inthemodernage.

threatsthreatened7.switch

v.转换，改变n.转换，改变;开关

switchoff

关上（电灯、电视等）=turnoff

switchon

打开（电灯、电视等）=turnon

switchover

改变转换

Heswitchedtheconversationfromonesubjecttoanother.

他转变了话题。

8.havearole

起某种作用

playapart/rolein

在…中扮演角色/起作用

doone’spart尽自己的职责①Weallhavearoletoplayinprotectingtheenvironment.Ifwealldoourpart,wecanliveahealthierlifeonEarth.②Chinaisplayinganincreasingly（越来越）

important

part/roleinsafeguardingworldpeace.

9.illegally

adv.非法地，违法地

illegal

adj.非法的

legaladj.合法的legally

adv.合法地①It’sillegaltoreadpeople’sprivateletterswithoutpermission.②Manyanimalsareillegallyhuntedforsomethingtheyhave.

10.

hunt

v.猎杀，猎取

hunter

n.猎人

huntfor

搜寻

huntforajob/lostwalletWhalesarestillbeinghuntedandkilledintheArctic.

11.extinct

adj.灭绝的，绝种的

extinctionn.灭绝

①Wemustprotecttheseendangeredanimalsbeforetheybecomeextinct.②Sadly,manyspecieshavebecomeextinctandmanyareindangerofextinction.12.incredibly

adv.非常地，极端地;难以置信地

incredibleadj.难以置信的

urgent

adj.紧急的，急迫的

urgentlyadv.紧急地，急迫地

urgencyn.紧急,急迫anincrediblyurgentmatter

非常急迫的事Exercise1.WhenNataliereturnedtoRockawayafterthehurrican,shefoundthatherneighborhood___________(destroy).2.Humansalso_________(threat)carnivorousplantsinotherways.

人类还以其他方式对食肉植物产生威胁。3.Iwill________________(尽自己的职责）tohelpcleanupthepark.4.Theactofselling________(legal)orwithoutpermissionisn’tallowed.wasdestroyedthreatendomypartillegally5.Whenyouhunt______ajob,itisnotyourbookknowledgebutyourexperiencethatmattersmore.6.Asaresult,theworld’sforestsareno