版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
Unit4
Earthquakes
languagespointsUnit4Earthquakes1
1.Imagineyourhomebeginstoshakeandyoumustleaveitrightaway.假设你的家开始晃动,你必须立刻离开Shake(shook,shaken)v.摇动,摇,颤抖,震动n.摇动,摇,颤抖,震动翻译:服药前请摇动瓶子Pleaseshakethebottlebeforetakingthemedicine.当火车经过时大地在剧烈地震动Whenthetrainpassedby,theearthshookseriously1.Imagin2这个可怜的孩子正冻得发抖Thepoorchildwasshakingwithcold.联想记忆:shakehandswithsb.shakeone’shead/nodone’sheadshakesbbythehand=shakeone’shandshakeone’sfistatsbrightaway=rightnow=atonce=immediately立刻;马上
这个可怜的孩子正冻得发抖Thepoorchildwas3Wemustbeoffrightaway/rightnow.It’seight.
请立刻把这篇文章打出来Pleasetypethisarticleoutrightaway/rightnowrightaway不可用于进行时态,rightnow还相当于atthisverymoment;atpresent在此刻,此时,可用于进行时态他们正在录制唱片
TheyaremakingtherecordrightnowWemustbeoffrightaway/righ4翻译:他此刻正在写一本小说Heiswritinganovelrightnow.现在是暑假我在农场上帮助爸爸干活RightnowitissummervocationandI’mhelpingmydadonthefarm.
翻译:他此刻正在写一本小说Heiswritingan5
2.Forthreedaysthewaterinthevillagewellsroseandfell,roseandfell.三天来,村子的水井中的水位升升落落不停.@rise(rose,risen)vi.升起,起身,高耸,增长,上升n.上升,增加,上涨,发生,出现Everyoneknowsthatthesunrisesintheeast.Herosefromhischairwhenthedoorbellrang.Pricescontinuetorise.2.Forthreedaysthewateri6raise[reIz](raised,raising)vt.抬高;举起Iwillnotraiseahandagainstyou.我不会做任何不利于你的事。提高;增加toraisesalaries提高工资他把手臂举过头顶。Heraisedhisarmsabovehishead.他们坚决要求提高工资Theyinsistedonraisingsalariesraise[reIz](raised,raising)7rise与raise上升,提高Thepriceoftomatoeshas_________(rise,raise)recently.Thepriceofthetomatoeshasbeen____(rise,raise)recently.He____(rise,raise)thechildfromthegroundThechild____(rise,raise)fromtheground.roseraisedraisedroserise与raise上升,提高rose83.Asmellygascameoutofthecracks.发臭的气体从裂缝中冒出来。@smellyadj.有臭味的eg:Thefoodwassmelly.扩展:n.+y构成形容词blood----mud----sun-----cloud----rain----wind---taste----dream----ice----greed----fat----fog-----4.Inthefarmyards,thechickensandeventhepigsweretoonervoustoeat.@too…to…太…以至于不能(表否定)3.Asmellygascameoutofth9口头翻译:李平的弟弟年纪太小而不能参军LiPing’sbrotheristooyoungtojointhearmy.=LiPing’sbrotherisnotoldenoughtojoin….听到这个消息他紧张地说不出话来.Hearingthegoodnews,hewastoonervoustospeak.口头翻译:LiPing’sbrotheristoo10“too…to…”结构之前带有only,but,never,not,时,是强调肯定的表示法,译作“非常……”“十分…”“实在……””真是太……”等Iamonlytoohappytoteachyou.我非常高兴教你们。Heisbuttoogladtodoso他非常喜欢这样做Youcanneverbetoooldtoenjoyasong.我们绝对不会老得不能获得歌曲带来的欢乐“too…to…”结构之前带有only,but,never,11Too…to..结构中带有表示心情或描绘性的adj/advEgready,eager,satisfied,kind,willing,anxiousetcSheistooreadytohelpother.他乐于助人。Iamtooeagertohaveaworldtrip.我很想去环球旅行Too…to..结构中带有表示心情或描绘性的adj/adv12扩展修饰单数名词too+adj.+a+n:Ithinkshe’stookindagirltorefuse.扩展:扩展修饰单数名词扩展:135.Inthecity,thewaterpipesinsomebuildings
crackedandburst.在城市里,有些建筑物里的水管出现裂缝或者破裂.@crackvi.使开裂,破裂,eg:TheicecrackedasIsteppedontoit.玻璃制成的瓶子当从桌子摔落到地上时容易破碎Thebottlesmadeofglasseasilycrackwhentheyfellintothegroundfromthetable.5.Inthecity,thewaterpipes14
n.裂缝,裂纹翻译:今天别去滑冰了-----冰上有危险的裂缝.Don’tgoskatingtoday---therearedangerouscracksintheice.镜子破裂了Themirrorcracked.墙上有个裂缝Thereisacrackinthewalln.裂缝,裂纹Don’tgoskatingtoda15爆炸;胀裂;突然而起;闯入burst(burst,burst;bursting)Theballoonburstsuddenly.气球突然爆炸了水管在寒冷的天气里经常冻裂。Water-pipesoftenburstincoldweather.(水库,堤坝等)决口河水冲毁了堤岸,淹没了村子Theriverburstitsbanksandfloodedthetown.爆炸;胀裂;burst(burst,burst;burst16Ifyougetmuchfatteryouwillburstyourclothes.扩展:
burstinto+n突然….burstintotearsburstintosongburstintoleafbursintoflower她突然闯进门。Sheburstintothedoor.突然哭起来突然唱起来长出叶子开花Ifyougetmuchfatteryouwi17burstout+v-ing:suddenlybegindoingsthburstoutcryingburstoutlaughingburstoutsinging
突然哭起来突然笑起来突然唱起来burstintotheroom闯入房间aburstofapplause/anger/tears一阵…..burstout+v-ing:suddenlybeg186.Itseemedthattheworldwasatanend.似乎世界末日来临@atenend结束;终结Thewarwasatanend.区分:attheendof;bytheendof;intheend.Thereisabigbookstore_____thisroad.Thereisaprettybirdsinging_____thetree.HowmanyEnglishwordshadyoulearned__________________lastterm.Hewillbeascientist_____.Myfatherwillreturnhome___________thisyear.attheendofattheendof
bytheendof
intheend
attheendof6.Itseemedthattheworldwas19bring/put….toanend使终止cometoanend.结束endupwith以….而告终attheend(of):在……末尾,指时间和空间bytheendof:到……末为止intheend:最后,最终,不与of连用其他词组:bring/put….toanend使终止co207.Infifteenterriblesecondsalargecitylayinruins在可怕的十五秒钟内,一座大城市变为废墟.@ruin
n.废墟(c.n),毁灭(u.n)Vt.使毁灭
inruins荒芜的,成为废墟,一般用作表语战争给这个国家带来了毁灭Thewarbroughtruintothecountry.Ourplanisinruins我们的计划泡汤了暴风雨摧毁了农作物Thestormruinedthecrops.7.Infifteenterribleseconds21
那建筑物已断壁残垣
如果你继续这样愚蠢下去,你将自毁前程Youwillruinyourprospectsifyoucontinuetobesofoolish.Thebuildingisinruins如果你继续这样愚蠢下去,你将自毁前程Youwill228.Two-thirdsofthepeoplediedorwereinjured
duringtheearthquake.三分之二的人在地震中死亡或受伤
injurevt.损害,受伤adj.injured受伤的,受委屈的Hecan'tplaytodaybecausehe'sinjuredhisknee.因为伤了膝盖,他今天不能比赛。Amongthedeadandinjured,thereweresixchildren.死伤的人中,有六名儿童。8.Two-thirdsofthepeopledie23辨析:hurt,injure,wound
hurt受伤的一般用语,常指心灵的伤害,也可指身体的受伤或疼痛.
wound指战场上的刀伤或枪伤
damage指对物体的破坏或损坏
injure一般指由于意外或事故而受伤,也可以表示“损害名誉,伤害感情等”辨析:hurt,injure,wound24
Hiswords______herfeelings.
It______theeyestoreadinthesun.Morethan200peoplewere_________inthecaraccident.Thesoldierswere__________-inthebattle.hurthurtsinjuredwounded
Hiswords______herfeelings.259.Thenumberofpeoplewhowerekilledorinjured
reachedmorethan400000.伤亡的人数达到400000.Hesenthissontojointhearmyassoonashe
reached18.YourletterofAugust24onlyreachedmetoday.We’vegottoreachanagreementaboutthisquestion.Theboywasn’ttallenoughtoreachthebranches.Theparkreachesasfarastheriver.达到(指某种数目)抵达,传到达成(协议)得出(结论)伸手够到(某物)vi.延伸9.Thenumberofpeoplewhowe2610.Everywheretheylookednearlyeverythingwasdestroyed.人们无论朝哪里看,哪里一切都几乎被毁坏了.
everywhere=wherever=nomatterwhere
在这里做连词用,引导状语从句.如:Everywhereheappeared,hewaspopular.无论他出现在哪里,他都是受欢的无论他去哪,他的狗都跟着他。Everywherehegoes,hisdogsfollowshim.10.Everywheretheylookednea27everywherepron.到处,处处我们到处找你。Wehavelookedeverywhereforyou.到处是深谷Everywherearedeepvalleys.everywherepron.到处,处处我们到处找2811.Tensofthousandsofcowsnevergivemilkagain数以万计的奶牛再也不产奶了@tensofthousandsof数以万计的hundredsandhundredsof成百上千的hundredsofthousands数以十万计的thousandsof数千计的millionsof数百万计的scoresof许许多多的dozensof许多,大量
11.Tensofthousandsofcowsn2912.Peoplewereshocked.人们感到震惊..Iwasshockedatthenewsofherdeath.HewasshockedtoknowhehadbeencheatedLiuxiangshockedthewholeworld
(2)n.打击,震惊,休克Theshockofthefailureintheexammadeherill.
Itgavemequiteashocktolearnthathehadmarriedagain.Thepatientwentintoanothershock.@shockvt.&n.(1)vt.Causeashocktosb.使某人吃惊,使愤慨12.Peoplewereshocked.人们感到震3013.Someoftherescueworkersanddoctorswere
trappedundertheruins.有些救援人员和医生被困在废墟中@rescuevt.援救;营救rescuesbfromsb/sth救出一孩子免于溺毙rescueachildfromdrowning解放军战士从即将倒塌的房子中救出了那位老太。ThePLAmanrescuedtheoldladyfromthefallinghouse.n.援救,营救arescueteam;arescuemission.救援队;营救任务13.Someoftherescueworkers31@trap(trapped,trapped)n.陷阱,圈套vt.使受限制(困)于;诱骗Thecarwastrappedinthedeepsnow.
@trap(trapped,trapped)n.陷阱,3215.peoplebegantowonderhowlongthedisasterwouldlast.人们开始困惑这灾难要持续多久@disaster(c.n.)灾难,灾祸,灾害adj.disastrous
adv.disastrously15.peoplebegantowonderhow3316.Thearmyorganizedteamstodigoutthosewhoaretrappedandtoburythedead.军队组成救援队挖掘那些受困的人们并埋葬死者。16.Thearmyorganizedteamst34buryvt.(1)place(adeadbody)intheground埋葬
eg:Hewasburiedwithhiswife.(2)hide
掩埋
隐藏,Ourdogburiesitsbonesinthegarden.Sheburiedherfaceinherhandsandwept.
她双手掩面哭了起来.(3)短语:buryoneselfinthecountry隐居乡间buryoneselfinsth埋头于某事物,专心致志于某事
beburiedinthoughts/memoriesofthepast沉思/回忆往事buryvt.(1)place(adeadb35@digout掘出;发现eg:他把狐狸从洞中掘出来了,Hedugoutthefoxfrom/dugthefoxoutofthehole.todiginformationoutofbooks从书本挖掘知识todigouttruth寻求真理@digout掘出;发现eg:Hedugoutt3617.Tothenorthofthecity,mostofthe10000minerswererescuedfromthecoalmines.在城市的北部,一万矿工中的大多数从矿井中被救出。@表方位介词in,to与onin表示“在其中”,在境内;to表示“向”的意思,在境外on表示与境界相接.Japanlies____theeastofAsia.Japanlies____theeastofChina.Fujianlies______thenortheastofDoon17.Tothenorthofthecity,mo3718.Freshwaterwastakentothecitybytrain……@freshadj.新鲜的,无经验的,生的,(水)淡的freshwater------------saltwaterfreshfruit/air/vegetablesafreshhand(新手,初学者)freshman----sophomore----junior----senior
18.Freshwaterwastakentoth38Unit4
Earthquakes
languagespointsUnit4Earthquakes39
1.Imagineyourhomebeginstoshakeandyoumustleaveitrightaway.假设你的家开始晃动,你必须立刻离开Shake(shook,shaken)v.摇动,摇,颤抖,震动n.摇动,摇,颤抖,震动翻译:服药前请摇动瓶子Pleaseshakethebottlebeforetakingthemedicine.当火车经过时大地在剧烈地震动Whenthetrainpassedby,theearthshookseriously1.Imagin40这个可怜的孩子正冻得发抖Thepoorchildwasshakingwithcold.联想记忆:shakehandswithsb.shakeone’shead/nodone’sheadshakesbbythehand=shakeone’shandshakeone’sfistatsbrightaway=rightnow=atonce=immediately立刻;马上
这个可怜的孩子正冻得发抖Thepoorchildwas41Wemustbeoffrightaway/rightnow.It’seight.
请立刻把这篇文章打出来Pleasetypethisarticleoutrightaway/rightnowrightaway不可用于进行时态,rightnow还相当于atthisverymoment;atpresent在此刻,此时,可用于进行时态他们正在录制唱片
TheyaremakingtherecordrightnowWemustbeoffrightaway/righ42翻译:他此刻正在写一本小说Heiswritinganovelrightnow.现在是暑假我在农场上帮助爸爸干活RightnowitissummervocationandI’mhelpingmydadonthefarm.
翻译:他此刻正在写一本小说Heiswritingan43
2.Forthreedaysthewaterinthevillagewellsroseandfell,roseandfell.三天来,村子的水井中的水位升升落落不停.@rise(rose,risen)vi.升起,起身,高耸,增长,上升n.上升,增加,上涨,发生,出现Everyoneknowsthatthesunrisesintheeast.Herosefromhischairwhenthedoorbellrang.Pricescontinuetorise.2.Forthreedaysthewateri44raise[reIz](raised,raising)vt.抬高;举起Iwillnotraiseahandagainstyou.我不会做任何不利于你的事。提高;增加toraisesalaries提高工资他把手臂举过头顶。Heraisedhisarmsabovehishead.他们坚决要求提高工资Theyinsistedonraisingsalariesraise[reIz](raised,raising)45rise与raise上升,提高Thepriceoftomatoeshas_________(rise,raise)recently.Thepriceofthetomatoeshasbeen____(rise,raise)recently.He____(rise,raise)thechildfromthegroundThechild____(rise,raise)fromtheground.roseraisedraisedroserise与raise上升,提高rose463.Asmellygascameoutofthecracks.发臭的气体从裂缝中冒出来。@smellyadj.有臭味的eg:Thefoodwassmelly.扩展:n.+y构成形容词blood----mud----sun-----cloud----rain----wind---taste----dream----ice----greed----fat----fog-----4.Inthefarmyards,thechickensandeventhepigsweretoonervoustoeat.@too…to…太…以至于不能(表否定)3.Asmellygascameoutofth47口头翻译:李平的弟弟年纪太小而不能参军LiPing’sbrotheristooyoungtojointhearmy.=LiPing’sbrotherisnotoldenoughtojoin….听到这个消息他紧张地说不出话来.Hearingthegoodnews,hewastoonervoustospeak.口头翻译:LiPing’sbrotheristoo48“too…to…”结构之前带有only,but,never,not,时,是强调肯定的表示法,译作“非常……”“十分…”“实在……””真是太……”等Iamonlytoohappytoteachyou.我非常高兴教你们。Heisbuttoogladtodoso他非常喜欢这样做Youcanneverbetoooldtoenjoyasong.我们绝对不会老得不能获得歌曲带来的欢乐“too…to…”结构之前带有only,but,never,49Too…to..结构中带有表示心情或描绘性的adj/advEgready,eager,satisfied,kind,willing,anxiousetcSheistooreadytohelpother.他乐于助人。Iamtooeagertohaveaworldtrip.我很想去环球旅行Too…to..结构中带有表示心情或描绘性的adj/adv50扩展修饰单数名词too+adj.+a+n:Ithinkshe’stookindagirltorefuse.扩展:扩展修饰单数名词扩展:515.Inthecity,thewaterpipesinsomebuildings
crackedandburst.在城市里,有些建筑物里的水管出现裂缝或者破裂.@crackvi.使开裂,破裂,eg:TheicecrackedasIsteppedontoit.玻璃制成的瓶子当从桌子摔落到地上时容易破碎Thebottlesmadeofglasseasilycrackwhentheyfellintothegroundfromthetable.5.Inthecity,thewaterpipes52
n.裂缝,裂纹翻译:今天别去滑冰了-----冰上有危险的裂缝.Don’tgoskatingtoday---therearedangerouscracksintheice.镜子破裂了Themirrorcracked.墙上有个裂缝Thereisacrackinthewalln.裂缝,裂纹Don’tgoskatingtoda53爆炸;胀裂;突然而起;闯入burst(burst,burst;bursting)Theballoonburstsuddenly.气球突然爆炸了水管在寒冷的天气里经常冻裂。Water-pipesoftenburstincoldweather.(水库,堤坝等)决口河水冲毁了堤岸,淹没了村子Theriverburstitsbanksandfloodedthetown.爆炸;胀裂;burst(burst,burst;burst54Ifyougetmuchfatteryouwillburstyourclothes.扩展:
burstinto+n突然….burstintotearsburstintosongburstintoleafbursintoflower她突然闯进门。Sheburstintothedoor.突然哭起来突然唱起来长出叶子开花Ifyougetmuchfatteryouwi55burstout+v-ing:suddenlybegindoingsthburstoutcryingburstoutlaughingburstoutsinging
突然哭起来突然笑起来突然唱起来burstintotheroom闯入房间aburstofapplause/anger/tears一阵…..burstout+v-ing:suddenlybeg566.Itseemedthattheworldwasatanend.似乎世界末日来临@atenend结束;终结Thewarwasatanend.区分:attheendof;bytheendof;intheend.Thereisabigbookstore_____thisroad.Thereisaprettybirdsinging_____thetree.HowmanyEnglishwordshadyoulearned__________________lastterm.Hewillbeascientist_____.Myfatherwillreturnhome___________thisyear.attheendofattheendof
bytheendof
intheend
attheendof6.Itseemedthattheworldwas57bring/put….toanend使终止cometoanend.结束endupwith以….而告终attheend(of):在……末尾,指时间和空间bytheendof:到……末为止intheend:最后,最终,不与of连用其他词组:bring/put….toanend使终止co587.Infifteenterriblesecondsalargecitylayinruins在可怕的十五秒钟内,一座大城市变为废墟.@ruin
n.废墟(c.n),毁灭(u.n)Vt.使毁灭
inruins荒芜的,成为废墟,一般用作表语战争给这个国家带来了毁灭Thewarbroughtruintothecountry.Ourplanisinruins我们的计划泡汤了暴风雨摧毁了农作物Thestormruinedthecrops.7.Infifteenterribleseconds59
那建筑物已断壁残垣
如果你继续这样愚蠢下去,你将自毁前程Youwillruinyourprospectsifyoucontinuetobesofoolish.Thebuildingisinruins如果你继续这样愚蠢下去,你将自毁前程Youwill608.Two-thirdsofthepeoplediedorwereinjured
duringtheearthquake.三分之二的人在地震中死亡或受伤
injurevt.损害,受伤adj.injured受伤的,受委屈的Hecan'tplaytodaybecausehe'sinjuredhisknee.因为伤了膝盖,他今天不能比赛。Amongthedeadandinjured,thereweresixchildren.死伤的人中,有六名儿童。8.Two-thirdsofthepeopledie61辨析:hurt,injure,wound
hurt受伤的一般用语,常指心灵的伤害,也可指身体的受伤或疼痛.
wound指战场上的刀伤或枪伤
damage指对物体的破坏或损坏
injure一般指由于意外或事故而受伤,也可以表示“损害名誉,伤害感情等”辨析:hurt,injure,wound62
Hiswords______herfeelings.
It______theeyestoreadinthesun.Morethan200peoplewere_________inthecaraccident.Thesoldierswere__________-inthebattle.hurthurtsinjuredwounded
Hiswords______herfeelings.639.Thenumberofpeoplewhowerekilledorinjured
reachedmorethan400000.伤亡的人数达到400000.Hesenthissontojointhearmyassoonashe
reached18.YourletterofAugust24onlyreachedmetoday.We’vegottoreachanagreementaboutthisquestion.Theboywasn’ttallenoughtoreachthebranches.Theparkreachesasfarastheriver.达到(指某种数目)抵达,传到达成(协议)得出(结论)伸手够到(某物)vi.延伸9.Thenumberofpeoplewhowe6410.Everywheretheylookednearlyeverythingwasdestroyed.人们无论朝哪里看,哪里一切都几乎被毁坏了.
everywhere=wherever=nomatterwhere
在这里做连词用,引导状语从句.如:Everywhereheappeared,hewaspopular.无论他出现在哪里,他都是受欢的无论他去哪,他的狗都跟着他。Everywherehegoes,hisdogsfollowshim.10.Everywheretheylookednea65everywherepron.到处,处处我们到处找你。Wehavelookedeverywhereforyou.到处是深谷Everywherearedeepvalleys.everywherepron.到处,处处我们到处找6611.Tensofthousandsofcowsnevergivemilkagain数以万计的奶牛再也不产奶了@tensofthousandsof数以万计的hundredsandhundredsof成百上千的hundredsofthousands数以十万计的thousandsof数千计的millionsof数百万计的scoresof许许多多的dozensof许多,大量
11.Tensofthousandsofcowsn6712.Peoplewereshocked.人们感到震惊..Iwasshockedatthenewsofherdeath.HewasshockedtoknowhehadbeencheatedLiuxiangshockedthewholeworld
(2)n.打击,震惊,休克Theshockofthefailureintheexammadeherill.
Itgavemequiteashocktolearnthathehadmarriedagain.Thepatientwentintoanothershock.@shockvt.&n.(1)vt.Causeashocktosb.使某人吃惊,使愤慨12.Peoplewereshocked.人们感到震6813.Someoftheres
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 领导干部带班工作制度
- 食品安全协调工作制度
- 麻醉用物管理工作制度
- 锡林郭勒盟多伦县2025-2026学年第二学期五年级语文第八单元测试卷(部编版含答案)
- 武威地区古浪县2025-2026学年第二学期四年级语文第八单元测试卷(部编版含答案)
- 日喀则地区南木林县2025-2026学年第二学期三年级语文第七单元测试卷(部编版含答案)
- 银川市灵武市2025-2026学年第二学期三年级语文期末考试卷(部编版含答案)
- 枣庄市峄城区2025-2026学年第二学期五年级语文第七单元测试卷(部编版含答案)
- 区域地质调查员道德考核试卷含答案
- 锂盐田工岗前评优考核试卷含答案
- 2026届湖南天壹名校联盟高三下学期3月质检物理试卷
- 甘肃华亭煤业集团招聘笔试题库2026
- 2026四川成都市锦江区事业单位招聘17人考试备考试题及答案解析
- 2026年数据资产质押融资7个工作日全流程审批操作指南
- 2026校招:广西北部湾国际港务集团笔试题及答案
- 2026年春季北师大版三年级下册小学数学教学计划含教学进度表
- 头疗店卫生制度大全
- 关于起重工年终总结(3篇)
- UOS操作系统基线安全加固手册
- 煤气净化回收工安全生产规范考核试卷含答案
- 电烙铁焊接基础培训课件
评论
0/150
提交评论