;;★每日早晚必背
;【佳文背诵】
DearEditor，
Wehadadiscussionoverwhetherit’snecessarytocarryouttheouterspaceexplorationataclassmeetingtheotherday.Someofusthinkitimportanttoexploretheouterspace.First，peoplecangetabetterunderstandingoftheouterspacethroughexploration.Second，newresourcescanbefoundinspaceforhumanstouseanditwilldiscovernewlivingplacessuitableforhumantoliveon.
; However，othersdon’tbelieveso.Intheiropinion，notonlydoesthiskindofexplorationcosttoomuchmoneybutit’salsoverydangerousforastronautstodosuchwork.
Inmyopinion，suchexplorationsintotheouterspaceareworthwhile.
Yours，
LiHua;【词汇积累】
haveadiscussion讨论
carryout开展
getabetterunderstandingof更好地了解
worthwhileadj.值得做的
;【句式仿写】
1.他们想知道是否能提前完成这个项目。（whether引导的宾语从句）
Theywantedtoknowaheadoftime.?
2.我们都认为有必要举行一个聚会来庆祝这个节日。（it作形式宾语）
Weallforustohaveapartytocelebratethefestival.?
;?高频重点词汇
◎核心词汇会运用
1.n.程序；步骤；手续?
2.adj.有智慧的；聪明的；有智力的?
3.vt.vi.标志着；标明；发信号?n.信号；标志
4.adv.否则；要不然?
5.prep.在更远处；超出?
;6.n.资源；财力；物力?
7.vt.n.发射；发起；上市?
8.vt.回收利用；再利用?
9.n.设施；设备?
10.n.模式；图案；模范?
11.n.（环绕地球、太阳等运行的）轨道；势力范围?
vt.vi.沿轨道运行；环绕……运行
;12.n.监视器；监测仪?
vt.监视；监测；监控
13.adj.肤浅的；浅的?
;【语境活用】根据汉语提示完成句子
1.Ithaspassedthroughaninteresting（步骤）ofevolution.?
2.Astheyworriedaboutthesafetyoftheirhomes，morepeopleequippedtheirhomeswith（监视器）.?
3.Manycitieswithbansstillallowshopperstopurchasepaperbags???whichareeasily（回收利用）butrequiremoreenergytoproduceandtransport.?
;4.Thepolicehave（发起）manycampaignstoreduceroadaccidentssincelastmonth.?
5.He（发信号）wildlyforhelp，butunluckily，nobodynoticed.?
6.TheygottwofreeticketsforCanadaluckily，（否则）they’