新版广州深圳沈阳牛津英语七年级下unit4Savethetrees.docx
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新版广州深圳沈阳牛津英语七年级下unit4Savethetrees.docx
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新版广州深圳沈阳牛津英语七年级下unit4Savethetrees
Unit4Savethetrees课文同步讲解
1.掌握下列短语:
1发出,散发giveout2对...有害beharmfulto
3世界上,在地球上onEarth4对...有用beusefulfor
5在...末端attheendof6生物livingthings
7最后intheend=finally=atlast8为...感谢thanksfor
9来自comefrom10例如forexample
11了解很多关于...事情knowalotabout
12与...交流communicatewith
13提醒(警告)某人某事warnsbofsth14砍倒,砍掉cutdown
15使某人做某事makesbdosth16等待,等候waitfor
17参加,加入joinin=takepartin18和...连结在一起jointogether
19传递某人某物passsthtosb=passsbsth
20相互,互相eachother=oneanother
21反对beagainst22冲走washaway
23属于belongto24太...而不能too…to
25阻止做某事stopfromdoingsth=keepfromdoingsth
26在某人看来inone’sopinion27照顾lookafter=takecareof
28,十分,非常alot=verymuch29出发...到..:
leave…for…
30对...感兴趣beinterestedin=bekeenonsth/doingsth
31玩得开心,过得愉快enjoyoneself=haveagoodtime
32喜欢做...enjoydoing=likedoingsth
33提醒、警告某人不要做某事warnsbnottodosth=warnsbagainstdoingsth
34保护...免受protectfromdoingsth=protectagainstdoingsth
35处于危险中beindanger
36最好做某事:
hadbetterdosth.
最好不做某事:
hadbetternotdosth
二,掌握下列句子释义:
1.beharmfultosb=doharmtosb=bebadforsb
2.Thanksbfor(doing)sth=thanksforsb(doing)sth
3.Alot=verymuch;alotof=many/much
4.Thisbookbelongstome.=Thisbookismine.=Ihavethisbook.
5.Too...to=so...that=not...enough
6,beindanger=benotsafe
7.Lookafter(well)=take(good)care
8,Warnsb.=givesb.awarning
语法
现在进行时:
一、用法
1.表示说话时正在进行的动作。
常和now,Look!
Listen!
或其他铺垫句及情景设置句连用。
Eg1.Iamreadingabooknow.
Eg2.Look!
Theyarehavingabasketballmatch.
Eg3.Listen!
Heisplayingthepiano.
Eg4.It’s7:
00pm.TheGreensarewatchingTV.
2.表示现阶段正在进行着的动作但说话时不一定正在进行。
Eg1.Heisworkinginashoefactorythesedays.(临时性的工作)
Eg2.Mr.Greeniswritinganothernovel. (说话时并未在写,只处于写作的状态。
)
3.表示在近期按计划或安排要进行的动作。
即用现在进行体表示将来要发生的动作。
但一般要与将来时间连用,而且仅限于少量动词。
例如:
come,go,start,arrive,leave,stay等。
Eg1.Mr.SmithisleavingforLondontomorrow.
Eg2Areyoustayingheretillnextweek?
4.常与表示渐变的动词连用。
例如:
get,grow,become,turn,,begin等。
Eg1.Theleavesareturningred.
Eg2.It’sgettingwarmerandwarmer.
二、构成(肯定,否定,一般疑问,特殊疑问)
1、主语+be+现在分词ThestudentsofClassTwoaresinging.二班的学生正在唱歌。
2、主语+be+not+现在分词Iamnotlookingattheblackboard.我没有正在看黑板。
3、be+主语+现在分词Isshedancing?
她正在跳舞吗?
4、特殊疑问词+be+主语+现在分词Whatareyoudoingnow?
你正在做什么?
三、注意动词的现在分词的变化。
动词现在分词构成:
1.正常变化是在动词原型后加ing
如:
read----reading; drink---drinking; eat---eating; listen---listening
jump---jumping; wear---wearing; grow---growing; collect---collecting
2.特殊变化:
1)以e结尾的动词,去掉e再加ing
如:
write---writing; make---making;
ride---riding; take---taking
2).以重读闭音节结尾的动词,如果末尾只有一个辅音字母,(只有一个元音字母,而其后跟有一个辅音字母时)要双写结尾的辅音字母再加ing
例如sit---sitting; swim---swimming; put---putting; run---runningget----getting
PartⅣ、课后作业「consolidationhomework工作纸、测试卷」
现在进行时专练
单项选择
1.--Ican’tfindmypen.Canyoulend_______yours?
--Sorry,I’musingit________.
A.I,myselfB.me,meC.me,myselfD.I,mine
2.–Oh,hi,Ann.
--Hi,Mary.Comein.Make____________athome.
A.youB.yourC.yourselfD.yourselves
3.--Sheistoobusytohelp______withthework.
--Let’sdoit__________.
A.her,herselfB.us,ourselvesC.it,itselfD.you,yourself
4.Tom,yourfatheraskedyoutodoit___________.
A.itselfB.yourselfC.himselfD.yourselves
方位介词
(1). in在……里面:
(2). on在……上面:
(3). under在……下面正下方:
(4).over在……正上方:
(5) below 在……斜下方:
in 和on表示“在……上”,门一类——镶嵌在墙里的,用in,字画一类——挂在墙面上的,on
through通过,穿过 / across横过
鸟一类落在树上的,用in,苹果一类长在树上的,用on
“接壤”在里——用in , A和B相邻(接壤)——用on ,A和B不相邻(不接壤)——用to
1)at表示较小的地点。
如:
at the bus stop, at home 2)in表示较大的地点。
如:
in China, in the world
( ) 1 The boat is passing___ the bridge.
A. through B. below C. under D. across
( ) 2 Two planes are flying___ the city.
A. through B. over , C. on , D, below
( ) 3 We can see a river running to the east____ the hill.
A. under B. below C. over D. on
( ) 4 Do you see the kite ___ the building.
A. over B. cross C. on D. above
( ) 5 There are some birds singing___ the trees.
A. in B. on C. at D. from
( ) 6 There are so many apples___ that tree.
A. in B, on C. at D. from
( ) 7The United States is ____ the south of Canada and ___ the east of Japan.
A. to; in B. on; to C. in; beside D. at; on
( ) 8 The man stood____the window, watching the boys playing outside.
A. in B. by C. with D. to
( ) 9 Japan lies____ the east of China.
A. on B/ to C. in D. with
() 10 Uncle Wang arrived____ No. 14 Middle School half an hour ago.
A.atB. in Cto D. /
( ) 11 My uncle lives ____ 88 Beijing Street.
A. to B. of C. at D. on
( ) 12 They are waiting ___ a bus ___ the bus stop.
A. for; in B. on; at C. with; at D. for; at
一、写出下列动词的现在分词
stand_________swim_________play__________watch________
skate_________run__________
sleep_________jump_________walk_________ride__________clean_________make________wash_________do____________go__________listen_________
play__________come_________sing__________have_________write________dance_________sit___________read_________
二、 用括号中动词的适当形式填空:
1. My parents _______(watch)TV now.
2. Look. Three boys _______(run).
3. What _______ your mother _______(do)now?
4. _______ your dog _______ now?
(sleep)
5. _______ you _______(listen)to music?
Yes, I am.
6. Look, Miss Chen _______ football.(play)
7. Tom and his sister _______(wait)for you over there.
8. Now Class 3 and Class 4_______(have)a test.
9. Listen, someone _______(sing)in the classroom.
10. ——Where is Zhang Yan?
——She _______(talk)with her teacher in the teacher’s office.
二.选择填空:
( )1. Who ______ over there now?
A. singing B. are sing C. is singing
( 2. It’s nine ten. The students ______ a music class.
A. have B. having C. are having
( )3. Listen!
The boy _______.
A. crying B. is crying C. cries
( )4. Don’t talk here. Grandparents ______.
A. sleep B. is sleeping C. are sleeping
( )5. Is the man _______ tea or milk?
A. drinks B. drink C. drinking
三、根据提示完成下列句子
1.Thestudents_____________(正在上英语课)
2.Somegirls__________________(正在跳舞)
3.I_______________________(正在骑自行车)
4.Mymother_________________(正在做家务)
5.Helen__________________(会做模型飞机)
6.______you______________(正在看报纸吗)
7.______she___________(正在打扫图书馆吗)
8._______theboys__________(正在打篮球吗)
课堂作业
一、用所给词的正确形式填空。
1.Howdoyou______________(communicate)yourpenfriend?
2.Waterpollutionis________(harm)toourhealth.
3.Judyis________(collect)somefactsforaclassprojectonpollution.
4.Weallknowthattigers_________________now.(dangerous)
5.Doyouenjoy________(breathe)freshair?
6.I______very______________(interest)playingthepiano.
7.Everyyear,people_______(destroy)manyforests.
8Look!
The_______ofthattreearetoolong,Theyreachthewindowofourlivingroom(branch)
9Treesare_________plants,sopeopleusethemtomakealotofthings(use)
10First,theworkersputsomesoilinthe_________(contain)
11Don’twalkintotheforestalone.Therearealotof_______animalsandplantsthatyoudonotknow(harm)
12Treesarereally_____________,Theyhelpusreducepollutionandmakeourlifebetter(fight)
二、单项选择。
1.OurEarthwillbe_________ifwegooncuttingdownmillionsoftreeseveryyear.
A.ingreatdangerB.dangerC.dangerouslyD.outofdanger
2.Studentswillmakegreatprogress(进步)ifthey__________asubject.
A.areinterestedinB.areinteresting
C.areinterestedD.areinterestingin
3.Look!
Thebaby________happilynowbecausehe________youarehisfriends.
A.similes;isknowingB.issmiling;isknowing
C.issmiling;knowsD.smiles;knows
4.Thetrain__________forBeijingsoon.Thepassengerswhoarestillontheplatform(月台)shouldgetonthetrainatonce.
A.leavesB.isleavingC.leftD.leaving
5.Booksgiveusknowledge(知识)andmakeus________happy.
A.feelingB.feelC.feelsD.felt
6.They’rethebiggestandoldest________thingsonEarth.
A.lifeB.liveC.livingD.alive
7.Theboyenjoys___________intheevening.
A.playtheguitarB.playingtheguitarC.playingguitarD.playguitar
8.Look,who__________ontheplayground?
A.isplayingB.playingC.plays D.played
9.Itisgoingtorain.You’dbetter__________anumbrella.
A.bringB.havingC.hadD.tohave
10.JinYongisoneofthegreatestandoldest_________writers.Heisstill________.
A.living;aliveB.living;livingC.alive;livingD.alive;alive
三、根据汉语提示,补全句子。
每空一词。
46.这个人昨天被车撞了,现在仍处于危险中。
Themanwashitbyacaryesterdayandhe_____still__________now.
47.谢谢你告诉我这个好消息。
Thankyou_______________thegoodnews.
48.我们不应该把树砍掉,因为树很有用。
Weshouldn't_______________becausetheyarevery
49.没有树,很多生物都会死去。
__________,manylivingthingswoulddie.
50.他们穿着厚衣服,以免受风吹。
Theywearthickclothesto__________thewind.
HOMEWORK
一、单选:
11.Mr.Smithis___________forShanghainextweek.
A.leaveB.leavingC.willleaveD.leaves
12.--What_________yourfamilydoinginthepark?
--They’reflyingkites.
A.isB.doesC.areD.am
13.IthinkEnglishis____________thanChinese.
A.interestingB.moreinterestingC.mostinterestingD.interested
14.Thepolicewarnpeople___________theterrorists(恐怖分子).
A.withB.toC.onD.against
15.Themanis___________,becausea___________lioniscoming.
A.indanger;dangerousB.dangerous;dangerous
C.danger;indangerD.dangerous;indanger
二、翻译下列句子
1树木为我们提供了很多东西。
例如,咖啡、橡胶、和纸张都来自树木(forexample)
_____________________________________________________________________
2树木为我们提供了
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