Unit3ConservationTopicTalk单词课件高二英语北师大版选择性

Unit3TopicTalk词汇课destroyvt.

破坏；摧毁；destroyone'sconfidence/hope摧毁某人的信心/希望→destructive

adj.

破坏性的；引起破坏的

→destructionn．破坏，毁灭 Thoserichcountrieshavecausedhalfoftheworld’senvironmental___________(destroy)whilepayingonly3%ofitscosts.e.g.Thereareseveralwayswedestroynature.destruction/dɪˈstrɔɪ/itemn.一件商品；一则或一条

anitemof一项；一条；一则单句写作：报纸上有一条关于他的新闻.e.g.Weallneedtoreusepreviouslyuseditemsinordertoprotectourenvironment.anitemofnewsabouthimonthenewspaperThereis_________________________________________./ˈaɪtəm/recyclevi.&vt.再利用，回收利用

Wepackageourproductsin___________

(recycle)materials.e.g.Weshouldrecycleandreducetheamountofwasteweproduce.→recyclable

adj.可回收利用的→unrecyclable

adj.不可回收的

recyclable/ˌriːˈsaɪkl/threat

/θret/n．威胁；(灾难等坏事)发生的可能underthreat遭受威胁athreatto对……的威胁→threaten

vt.

威胁；恐吓；危及，威胁到；→threatening

adj.

恐吓的，威胁的Heisunlikelytobe___________theSpanishplayerinthefield.e.g.Theuseofoilandcoalisoneofthebiggestthreatstoourplanet.athreatto相信他不会在决赛中对这位西班牙运动员构成威胁.switch/swɪtʃ/vi.&vt.转换，改变n.[C](电路的)开关；转换器；改变)完成句子：She____________(打开)thebedsidelampandbegantoreadanovel.switchedonswitchon＝turnon打开，接通switchoff＝turnoff关上，把……关掉switchover转换频道，转变Wedefinitelyneedtoswitch

todifferentformsofpowerassoonaspossible.illegally/ɪˈliːɡəli/adv.非法地，违法地→illegal

adj.非法的→legal

adj.合法的It’s_______(legal)toreadpeople’sprivateletterswithoutpermission.e.g.

Manyanimalsareillegallyhuntedforsomethingtheyhave.illegalhunt/hʌnt/vi.&vt.猎取，猎杀vi.搜寻n．狩猎；搜寻Weatherpermitting,we'llgo__________thisSundaymorning.e.g.

Thewholeneighbourhoodhavebeenhuntingforthemissingchild.huntinggohunting去打猎huntfor搜寻，寻找→huntern．猎人；搜集某种东西的人extinct

/ɪkˈstɪŋkt/adj.灭绝的，绝种的；消亡的；不再活跃的；死的→extinctionn．灭绝；消亡

Manyspeciesofplantsandanimalsareindangerof___________.e.g.Howlongdowehavebeforerhinosbecomeextinct？beclosetoextinction濒临灭绝

extinctionurgent

/ˈɜːdʒənt/adj.紧急的，急迫的→urgev．催促，力劝；竭力主张n．冲动

They’vecalledonan__________