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英语必修1&2必修1Unit 4 Earthquakes课前预习ppt课件
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这是一份英语必修1&2必修1Unit 4 Earthquakes课前预习ppt课件，共44页。PPT课件主要包含了before ，loss ，wasnt ，help ，课文内容复述，smelly ，shake ，ruins ，including ，trapped 等内容，欢迎下载使用。
一、在空格处填上适当的词概括课文
The passage shws what happened (1)_________ ， du-ring
and after the Tangshan earthquake in 1976.The earthquake caused aterrible (2)_________ f life and a serius (3)____________ t thecity's buildings, but all hpe (4)__________ lst, fr the army and
rescue wrkers rushed t (5)__________．
destructin
二、根据课文内容，选择最佳答案1．Befre the earthquake peple were asleep as usual because
A．they didn't ntice anything strange happeningB．they knew well abut earthquakesC．smething strange happened in many placesD．they didn't realize the arrival f an earthquake
2．When did the earthquake happen?______.A．On the night f July 28th, 1976.B．On the mrning f July 28th, 1976.C．On the afternn f July 28th, 1976.D．The writer didn't tell us.
3．Which is TRUE accrding t the passage?_______.
A ．Peple paid much attentin t thse strange things befrethe earthquake.B．Befre the earthquake animals became nervus.C．After the earthquake water was needed because there wasn water in dams and wells.D ．After the earthquake the peple in Tangshan lst all hpebecause they were hmeless.
4．What des the sentence “Slwly, the city began t breathe
again.” mean?_______.
A ．The city will nt die; it has hpe and it can recver frmthe pain.B．The army sent 150,000 sldiers t Tangshan t help peple.C．Hundreds f thusands f peple were helped.D．Mst f the 10,000 miners were rescued.5．What des “shcked” in the third paragraph mean?_______.
A．Shaken.C．Appalled (震惊的).
B．Unpleasant.D．Very upset.
Befre Tangshan earthquake, strange things happened and a(1)___________ (smell) gas came ut frm the cracks f wells and
animals became nervus.At 3 ： 42 am, everything began t(2)___________．The city lay in (3)______________ in just fifteen
secnds.Many peple, (4)___________ (include) wrkers anddctrs, came t rescue thse (5)___________ (trap) under theruins.Later that afternn, (6)________ big quake struck Tangshan,killing, injuring mre peple (7)________ making mre buildingsfall dwn.Sldiers were called (8)________ t help the rescuewrkers and teams (9)_________________ (rganize) t dig utthe trapped and (10)___________ the dead.
were rganized
Fr three days the water in the village wells rse andfell, rse and fell.一连三天，村子里的井水都时高时低。1．rise
(1)vi.上升；起立；起床；增长
The sun has nt risen yet.太阳还未升起。(2)n.上升；上涨；升起There will be a rise in unemplyment next year.明年的失业率将会上升。
rise in price 涨价
at the rise f the sun 日出之时
(1)rise (rse, risen)为不及物动词，指自然“上升”，常用于日、月、烟雾、物价、温度、河水及人的职位等的上升，不带宾语，不可以用于被动语态。(2)raise (raised, raised) 为及物动词，多指外部的力量使其“举起；提高”，后带宾语，可以用于被动语态。
用上面所提供的辨析词的适当形式填空
①After the heavy rain the river _________ by three meters.②The wrkers asked their bss t _________ their wages.
In the city, the water pipes in sme buildings crackedand burst.在市区里，有些楼房里的水管爆裂了。2．burst
(1)vi.(burst, burst)爆裂；爆发
That balln will burst if yu blw it up any mre.你再给气球充气，它就会爆了。(2)n.[C]突然破裂；爆发a burst in the water pipe 水管爆裂a sudden burst f anger 怒火的迸发
burst int sth.＝burst ut ding sth.突然爆发出用适当的介词填空
① The little by was s frightened that he burst ________crying.②The audience gave a burst ________ applause.③That quiet girl suddenly burst ________ tears.
It seemed as if the wrld was at an end！仿佛到了世界末日！3．at an end 结束；终结
Eventually the war was at an end.战争终于结束了。at the end (f) 在……末端
by the end f...到……为止in the end 最后draw t an end (快要)结束cme t an end 结束put an end t sth.＝bring sth.t an end 使某事终止
用 end 及其构成的短语的适当形式填空
①The year was ________________ t an end.②Yu must __________________ the quarrel.＝Yu must bring the quarrel ______________.③G straight and yu'll find the hspital ________________the rad.④The lng ht summer was at last _____________________________________________.
__________________________ this term?
_________________.
drawing/cming
put an end t
at the end f
at an end/drawing t an
end/cming t an end
by the end f
in the end
In fifteen terrible secnds a large city lay in ruins.在可怕的 15 秒钟内，一座大城市就成了一片废墟。4．ruin
(1)n.[pl.]废墟；[U]毁灭
the ruins f an ancient castle 一座古代城堡的废墟(2)vt.毁灭；使破产(强调倒塌成为碎片；也可以指健康、价值受严重的损害或断送前途)The strm ruined the crps.风暴摧毁了庄稼。
(1)be/lie in ruins 变成废墟(强调状态)
The huses acrss the street were in ruins.街对面的房子成了一片废墟。(2)fall int ruin＝g t ruin 毁坏；瓦解(强调动作)He had let the farm fall int ruin/g t ruin.他任由农场渐渐变成废墟。
①This village ____________________ (成了一片废墟) afterthe war.② Hw can yu stand by and watch the cuntry____________________________ (走向灭亡)?
was/lay in ruins
fall int ruin/g t ruin
Tw-thirds f them died r were injured during theearthquake.三分之二的人在地震中死亡或受伤。5．injure vt.损害；伤害
They were seriusly/badly injured in the crash.
他们在碰撞中受了重伤。
injure/harm/hurt/wund
(1)injure 一般指由于意外事故而受伤。如：He had ne leg injured in a car accident.在一场车祸中他的一条腿受伤了。
(2)harm 多指精神上的伤害以及对健康、权利、事业等无形
Dn't harm yur eyes by reading in dim light.不要在昏暗的灯光下看书，以免损害眼睛。
(3)hurt 是一般用语，既可指肉体上的伤痛，也可指精神上的伤害，还可指对利益等造成损害或不良影响。如：He hurt his back when he fell.他跌倒时伤了后背。
I'm srry I didn't mean t hurt yu.
对不起，我不是故意要伤害你的感情。
High interest rate has hurt many cmpanies.高利率已使众多公司受损。
(4)wund 指外伤，多指枪伤、刀伤、剑伤等，尤指在战争或战斗中受伤。如：The sldier was badly wunded in the head.那位战士头部受了重伤。
①The man wh ____________ his leg in a traffic accident isstill in hspital.②In the battle, hundreds f sldiers were ____________ andsme were even killed.③Reading in the sun will ____________ yur eyes.④Hw culd yu ________ her feeling?
injured/hurt
Everywhere they lked nearly everything wasdestryed.人们无论朝哪里看，哪里的一切都几乎被毁了。6．destry vt.破坏；毁坏；消灭
A fire destryed the huse.一场火烧毁了这所房子。destry/ruin/damage
(1)destry 既可表示在物质上对某物进行完全的毁坏，使之无法复原，也可表示在肉体上、精神上或道义上彻底摧毁。如：Please destry it after reading.看完后请销毁。The partial criticism may destry the child.偏颇的批评会毁了这孩子。
(2)ruin 指对某物彻底的破坏，往往指在一定过程中逐渐毁
掉，也常用于对抽象事物的破坏。如：
Yu will ruin the pprtunity f the jb if yu wear that shirt
t the interview.
穿那件衬衫面试，你会失去得到这份工作的机会。
(3)damage 常指进行局部的破坏、损坏，并可以修复。如：
The car was badly damaged in the accident.那辆车在事故中被严重毁坏。
①The heavy rain ________ ur hliday.②Mr.Smith is repairing his car which was ____________.③The earthquake ______________ his huse.He becamehmeless.
Peple were shcked.人们非常震惊。7．shck
(1)vt.& vi.(使)震惊；震动
They were shcked by her rudeness.他们因她的无礼而震惊。(2)n.休克；打击；震惊The news f his death was a shck t us.他去世的消息令我们震惊。
be shcked at/by (ding) sth.对(做)某事感到震惊
be shcked t d sth.对做某事很震惊be shcked that...对……震惊be a shck t sb.对某人来说是一个打击
①We were all _____________________ ( 对……感到震惊) her death.②It was ___________________ (对我来说是个打击)t be tld that bad news.③Everyne _____________________ ( 感到震惊) seesuch a wnderful building.
shcked at/by
a shck t me
was shcked t
Sme f the rescue wrkers and dctrs were trappedunder the ruins.一些救援人员和医生被困在了废墟下面。8．rescue
(1)n.[C]援救；营救
The lifebat was invlved in fur rescues last week.这艘救生艇上周参加了四次营救任务。(2)vt.援救；营救Firefighters wrked fr five hurs t rescue peple frm thebus.消防队员们奋战五小时把人们从公共汽车里救了出来。
rescue sb./sth.frm 从……救出某人/物
cme/g t the rescue＝cme/g t ne's rescue 营救某人；帮助某人
用 rescue 及其构成的短语的适当形式填空
① They successfully ________________ all the children___________ the burning building.②The by was flating n the sea fr hurs befre the sldiercame t ________________.
the/his rescue
(1)vt.使陷于困境 (常用于被动语态)
Twenty miners were trapped undergrund.20 个矿工被困在地下。(2)n.[C]陷阱；困境They set a trap fr fish alng the river.他们沿河设置了陷阱来捕鱼。
be trapped (in) 陷入困境；被困住
trap sb.int (ding) sth.诱使某人做某事fall int the trap f ding sth.掉进做某事的陷阱中set a trap fr sb.为某人设置陷阱
①We ___________________ ( 被 困 住 ) by the rising fldwater.②She had ___________________ (设置陷阱) fr him and hehad walked straight int it.
were trapped
set a trap
用所给单词的适当形式填空
1 ． Because f the clrful ___________ culture, I lve the___________ with heart and sul.(natin)2．Please wipe the ___________ ff the table.The rm lks___________ with the table.(dirt)3．Mst peple prtect themselves frm ___________ fr theirself-esteem ( 自 尊 ), because they think if their self-esteem is___________ greatly, they will feel upset.(injure)
4．______________ can be fund everywhere.Smetimes yu
may get an ___________ shck by tuching an unsafescket.(electricity)
5．Dn't cnsider this small nail ___________.As a matter f
fact, it is f great ___________ when in need.(useless)
6．These ___________ wrk hard in the deep ___________ all
year rund.(mine)
Electricity
1．It seemed as if the wrld was at an end！仿佛到了世界末日！
本句是个复合句，含有一个 as if 引导的表语从句，
其句型为“It lks/seems/sunds/feels as if...”。其中 it 本身无词义，常与 lk, seem, feel, sund, smell 等连系动词连用。
(1)as if 常可以和 as thugh 互换，意为“仿佛；好
像”。如：It lks/seems as if yu have gt n experience.＝It lks/seems as thugh yu have gt n expe-rience.看来你似乎并没有经验。
(2)as if 引导的从句谓语动词常用虚拟语气，表示不真实或
极少有可能发生或存在的情况：
若表示与现在事实相反的主观设想，动词用过去式(be 动词用 were，适用于各种人称)；若表示与过去事实相反的主观设想，动词用“had＋过去分词”形式。如：
He acts as if he were smking.
他的举动好像在抽烟。(其实不是)
They talked as if they had been friends fr years.
他们谈话的样子好像他们是多年的好朋友。(其实不是)
(3)as if 引导的从句也可用陈述语气，表示说话者认为陈述
的事情是真实的或极可能发生或存在的。如：
It sunds as if smene is cming.
听起来似乎有人来了。(很可能存在)
①It _______________________ ( 听 起 来 似 乎 ) smene_______________________ ( 正 在 敲 ) the dr when it blwsstrngly.
②It _________________________
( 看起来好像) it
_______________________ (下了雨) but it was sunny.③It lks as if _______________________________( 她 已 经 出 去 ) fr a few days, because the table is cvered withdirt.
sunds as if/thugh
were kncking at
lks as if/thugh
had rained
she has been ut
2．One-third f the natin felt it.全国三分之一的地方都有震感。
句子的主语用了分数表示法。英语中的分数表示规
则为：分子用基数词，分母用序数词，当分子大于 1 时，分母词尾要加-s，分子和分母中间可以用连字符，也可不用。如：三分之一——ne third 或 ne-third 或 a third三分之二——tw thirds 或 tw-thirds
当分数作句子主语时，谓语的单复数由分数后面名
词的单复数来决定。如：One third f the apple has rtted.这个苹果的三分之一烂了。One third f the apples have rtted.这些苹果中三分之一烂了。
①Tw-thirds f the cttn ________ (send) t America twdays ag.②One third f the students ________ (have) their readingclass in the mrning every day.
3 ． Everywhere they lked nearly everything wasdestryed.人们无论朝哪里看，哪里的一切都几乎被毁了。
everywhere 作从属连词，引导地点状语从句，相当
于 wherever 或 n matter where。如：Everywhere/Wherever/N matter where he ges, he gets warmwelcme.无论他走到哪里都受到热烈的欢迎。
every time, each time, the mment, anywhere 也可作
连词引导状语从句。如：Each time I saw him, I thught f his pr brther.每次看见他，我就想起了他可怜的弟弟。
①_______________________________________________(无论他旅行到哪里), he will take phts f beautiful sights.②______________________________ (我看到他的那一刻),my heart was brken.
Everywhere/Wherever/N matter where he travels
The mment I saw him
4．All hpe was nt lst.并非所有的希望都破灭了。
该句使用了部分否定的句子结构。部分否定是由表
示 “ 全 体 ” 意 义 的 代 词 、 副 词 或 形 容 词 all, bth, every,everybdy, always 等和否定副词 nt 连用构成的。如：Everyne desn't like the stry.＝Nt everyne likes the stry.并非每个人都喜欢这个故事。Bth f the students dn't like the stry.并非这两个学生都喜欢这个故事。
如要对上述的 all, bth, every, always 等词作完全否
定，那就分别要用与之相对应的全否定词，如 n, nne, neither,n ne, never, nt (never)． all 等。如：All f them can d it.他们每个人都能做这件事。→Nne f them can d it.没有一个人能做这件事。He is always late.他经常迟到。→He is never late.他从不迟到。
一、在空格处填上适当的词概括课文
The passage shws what happened (1)_________ ， du-ring
and after the Tangshan earthquake in 1976.The earthquake caused aterrible (2)_________ f life and a serius (3)____________ t thecity's buildings, but all hpe (4)__________ lst, fr the army and
rescue wrkers rushed t (5)__________．
destructin
二、根据课文内容，选择最佳答案1．Befre the earthquake peple were asleep as usual because
A．they didn't ntice anything strange happeningB．they knew well abut earthquakesC．smething strange happened in many placesD．they didn't realize the arrival f an earthquake
2．When did the earthquake happen?______.A．On the night f July 28th, 1976.B．On the mrning f July 28th, 1976.C．On the afternn f July 28th, 1976.D．The writer didn't tell us.
3．Which is TRUE accrding t the passage?_______.
A ．Peple paid much attentin t thse strange things befrethe earthquake.B．Befre the earthquake animals became nervus.C．After the earthquake water was needed because there wasn water in dams and wells.D ．After the earthquake the peple in Tangshan lst all hpebecause they were hmeless.
4．What des the sentence “Slwly, the city began t breathe
again.” mean?_______.
A ．The city will nt die; it has hpe and it can recver frmthe pain.B．The army sent 150,000 sldiers t Tangshan t help peple.C．Hundreds f thusands f peple were helped.D．Mst f the 10,000 miners were rescued.5．What des “shcked” in the third paragraph mean?_______.
A．Shaken.C．Appalled (震惊的).
B．Unpleasant.D．Very upset.
Befre Tangshan earthquake, strange things happened and a(1)___________ (smell) gas came ut frm the cracks f wells and
animals became nervus.At 3 ： 42 am, everything began t(2)___________．The city lay in (3)______________ in just fifteen
secnds.Many peple, (4)___________ (include) wrkers anddctrs, came t rescue thse (5)___________ (trap) under theruins.Later that afternn, (6)________ big quake struck Tangshan,killing, injuring mre peple (7)________ making mre buildingsfall dwn.Sldiers were called (8)________ t help the rescuewrkers and teams (9)_________________ (rganize) t dig utthe trapped and (10)___________ the dead.
were rganized
Fr three days the water in the village wells rse andfell, rse and fell.一连三天，村子里的井水都时高时低。1．rise
(1)vi.上升；起立；起床；增长
The sun has nt risen yet.太阳还未升起。(2)n.上升；上涨；升起There will be a rise in unemplyment next year.明年的失业率将会上升。
rise in price 涨价
at the rise f the sun 日出之时
(1)rise (rse, risen)为不及物动词，指自然“上升”，常用于日、月、烟雾、物价、温度、河水及人的职位等的上升，不带宾语，不可以用于被动语态。(2)raise (raised, raised) 为及物动词，多指外部的力量使其“举起；提高”，后带宾语，可以用于被动语态。
用上面所提供的辨析词的适当形式填空
①After the heavy rain the river _________ by three meters.②The wrkers asked their bss t _________ their wages.
In the city, the water pipes in sme buildings crackedand burst.在市区里，有些楼房里的水管爆裂了。2．burst
(1)vi.(burst, burst)爆裂；爆发
That balln will burst if yu blw it up any mre.你再给气球充气，它就会爆了。(2)n.[C]突然破裂；爆发a burst in the water pipe 水管爆裂a sudden burst f anger 怒火的迸发
burst int sth.＝burst ut ding sth.突然爆发出用适当的介词填空
① The little by was s frightened that he burst ________crying.②The audience gave a burst ________ applause.③That quiet girl suddenly burst ________ tears.
It seemed as if the wrld was at an end！仿佛到了世界末日！3．at an end 结束；终结
Eventually the war was at an end.战争终于结束了。at the end (f) 在……末端
by the end f...到……为止in the end 最后draw t an end (快要)结束cme t an end 结束put an end t sth.＝bring sth.t an end 使某事终止
用 end 及其构成的短语的适当形式填空
①The year was ________________ t an end.②Yu must __________________ the quarrel.＝Yu must bring the quarrel ______________.③G straight and yu'll find the hspital ________________the rad.④The lng ht summer was at last _____________________________________________.
__________________________ this term?
_________________.
drawing/cming
put an end t
at the end f
at an end/drawing t an
end/cming t an end
by the end f
in the end
In fifteen terrible secnds a large city lay in ruins.在可怕的 15 秒钟内，一座大城市就成了一片废墟。4．ruin
(1)n.[pl.]废墟；[U]毁灭
the ruins f an ancient castle 一座古代城堡的废墟(2)vt.毁灭；使破产(强调倒塌成为碎片；也可以指健康、价值受严重的损害或断送前途)The strm ruined the crps.风暴摧毁了庄稼。
(1)be/lie in ruins 变成废墟(强调状态)
The huses acrss the street were in ruins.街对面的房子成了一片废墟。(2)fall int ruin＝g t ruin 毁坏；瓦解(强调动作)He had let the farm fall int ruin/g t ruin.他任由农场渐渐变成废墟。
①This village ____________________ (成了一片废墟) afterthe war.② Hw can yu stand by and watch the cuntry____________________________ (走向灭亡)?
was/lay in ruins
fall int ruin/g t ruin
Tw-thirds f them died r were injured during theearthquake.三分之二的人在地震中死亡或受伤。5．injure vt.损害；伤害
They were seriusly/badly injured in the crash.
他们在碰撞中受了重伤。
injure/harm/hurt/wund
(1)injure 一般指由于意外事故而受伤。如：He had ne leg injured in a car accident.在一场车祸中他的一条腿受伤了。
(2)harm 多指精神上的伤害以及对健康、权利、事业等无形
Dn't harm yur eyes by reading in dim light.不要在昏暗的灯光下看书，以免损害眼睛。
(3)hurt 是一般用语，既可指肉体上的伤痛，也可指精神上的伤害，还可指对利益等造成损害或不良影响。如：He hurt his back when he fell.他跌倒时伤了后背。
I'm srry I didn't mean t hurt yu.
对不起，我不是故意要伤害你的感情。
High interest rate has hurt many cmpanies.高利率已使众多公司受损。
(4)wund 指外伤，多指枪伤、刀伤、剑伤等，尤指在战争或战斗中受伤。如：The sldier was badly wunded in the head.那位战士头部受了重伤。
①The man wh ____________ his leg in a traffic accident isstill in hspital.②In the battle, hundreds f sldiers were ____________ andsme were even killed.③Reading in the sun will ____________ yur eyes.④Hw culd yu ________ her feeling?
injured/hurt
Everywhere they lked nearly everything wasdestryed.人们无论朝哪里看，哪里的一切都几乎被毁了。6．destry vt.破坏；毁坏；消灭
A fire destryed the huse.一场火烧毁了这所房子。destry/ruin/damage
(1)destry 既可表示在物质上对某物进行完全的毁坏，使之无法复原，也可表示在肉体上、精神上或道义上彻底摧毁。如：Please destry it after reading.看完后请销毁。The partial criticism may destry the child.偏颇的批评会毁了这孩子。
(2)ruin 指对某物彻底的破坏，往往指在一定过程中逐渐毁
掉，也常用于对抽象事物的破坏。如：
Yu will ruin the pprtunity f the jb if yu wear that shirt
t the interview.
穿那件衬衫面试，你会失去得到这份工作的机会。
(3)damage 常指进行局部的破坏、损坏，并可以修复。如：
The car was badly damaged in the accident.那辆车在事故中被严重毁坏。
①The heavy rain ________ ur hliday.②Mr.Smith is repairing his car which was ____________.③The earthquake ______________ his huse.He becamehmeless.
Peple were shcked.人们非常震惊。7．shck
(1)vt.& vi.(使)震惊；震动
They were shcked by her rudeness.他们因她的无礼而震惊。(2)n.休克；打击；震惊The news f his death was a shck t us.他去世的消息令我们震惊。
be shcked at/by (ding) sth.对(做)某事感到震惊
be shcked t d sth.对做某事很震惊be shcked that...对……震惊be a shck t sb.对某人来说是一个打击
①We were all _____________________ ( 对……感到震惊) her death.②It was ___________________ (对我来说是个打击)t be tld that bad news.③Everyne _____________________ ( 感到震惊) seesuch a wnderful building.
shcked at/by
a shck t me
was shcked t
Sme f the rescue wrkers and dctrs were trappedunder the ruins.一些救援人员和医生被困在了废墟下面。8．rescue
(1)n.[C]援救；营救
The lifebat was invlved in fur rescues last week.这艘救生艇上周参加了四次营救任务。(2)vt.援救；营救Firefighters wrked fr five hurs t rescue peple frm thebus.消防队员们奋战五小时把人们从公共汽车里救了出来。
rescue sb./sth.frm 从……救出某人/物
cme/g t the rescue＝cme/g t ne's rescue 营救某人；帮助某人
用 rescue 及其构成的短语的适当形式填空
① They successfully ________________ all the children___________ the burning building.②The by was flating n the sea fr hurs befre the sldiercame t ________________.
the/his rescue
(1)vt.使陷于困境 (常用于被动语态)
Twenty miners were trapped undergrund.20 个矿工被困在地下。(2)n.[C]陷阱；困境They set a trap fr fish alng the river.他们沿河设置了陷阱来捕鱼。
be trapped (in) 陷入困境；被困住
trap sb.int (ding) sth.诱使某人做某事fall int the trap f ding sth.掉进做某事的陷阱中set a trap fr sb.为某人设置陷阱
①We ___________________ ( 被 困 住 ) by the rising fldwater.②She had ___________________ (设置陷阱) fr him and hehad walked straight int it.
were trapped
set a trap
用所给单词的适当形式填空
1 ． Because f the clrful ___________ culture, I lve the___________ with heart and sul.(natin)2．Please wipe the ___________ ff the table.The rm lks___________ with the table.(dirt)3．Mst peple prtect themselves frm ___________ fr theirself-esteem ( 自 尊 ), because they think if their self-esteem is___________ greatly, they will feel upset.(injure)
4．______________ can be fund everywhere.Smetimes yu
may get an ___________ shck by tuching an unsafescket.(electricity)
5．Dn't cnsider this small nail ___________.As a matter f
fact, it is f great ___________ when in need.(useless)
6．These ___________ wrk hard in the deep ___________ all
year rund.(mine)
Electricity
1．It seemed as if the wrld was at an end！仿佛到了世界末日！
本句是个复合句，含有一个 as if 引导的表语从句，
其句型为“It lks/seems/sunds/feels as if...”。其中 it 本身无词义，常与 lk, seem, feel, sund, smell 等连系动词连用。
(1)as if 常可以和 as thugh 互换，意为“仿佛；好
像”。如：It lks/seems as if yu have gt n experience.＝It lks/seems as thugh yu have gt n expe-rience.看来你似乎并没有经验。
(2)as if 引导的从句谓语动词常用虚拟语气，表示不真实或
极少有可能发生或存在的情况：
若表示与现在事实相反的主观设想，动词用过去式(be 动词用 were，适用于各种人称)；若表示与过去事实相反的主观设想，动词用“had＋过去分词”形式。如：
He acts as if he were smking.
他的举动好像在抽烟。(其实不是)
They talked as if they had been friends fr years.
他们谈话的样子好像他们是多年的好朋友。(其实不是)
(3)as if 引导的从句也可用陈述语气，表示说话者认为陈述
的事情是真实的或极可能发生或存在的。如：
It sunds as if smene is cming.
听起来似乎有人来了。(很可能存在)
①It _______________________ ( 听 起 来 似 乎 ) smene_______________________ ( 正 在 敲 ) the dr when it blwsstrngly.
②It _________________________
( 看起来好像) it
_______________________ (下了雨) but it was sunny.③It lks as if _______________________________( 她 已 经 出 去 ) fr a few days, because the table is cvered withdirt.
sunds as if/thugh
were kncking at
lks as if/thugh
had rained
she has been ut
2．One-third f the natin felt it.全国三分之一的地方都有震感。
句子的主语用了分数表示法。英语中的分数表示规
则为：分子用基数词，分母用序数词，当分子大于 1 时，分母词尾要加-s，分子和分母中间可以用连字符，也可不用。如：三分之一——ne third 或 ne-third 或 a third三分之二——tw thirds 或 tw-thirds
当分数作句子主语时，谓语的单复数由分数后面名
词的单复数来决定。如：One third f the apple has rtted.这个苹果的三分之一烂了。One third f the apples have rtted.这些苹果中三分之一烂了。
①Tw-thirds f the cttn ________ (send) t America twdays ag.②One third f the students ________ (have) their readingclass in the mrning every day.
3 ． Everywhere they lked nearly everything wasdestryed.人们无论朝哪里看，哪里的一切都几乎被毁了。
everywhere 作从属连词，引导地点状语从句，相当
于 wherever 或 n matter where。如：Everywhere/Wherever/N matter where he ges, he gets warmwelcme.无论他走到哪里都受到热烈的欢迎。
every time, each time, the mment, anywhere 也可作
连词引导状语从句。如：Each time I saw him, I thught f his pr brther.每次看见他，我就想起了他可怜的弟弟。
①_______________________________________________(无论他旅行到哪里), he will take phts f beautiful sights.②______________________________ (我看到他的那一刻),my heart was brken.
Everywhere/Wherever/N matter where he travels
The mment I saw him
4．All hpe was nt lst.并非所有的希望都破灭了。
该句使用了部分否定的句子结构。部分否定是由表
示 “ 全 体 ” 意 义 的 代 词 、 副 词 或 形 容 词 all, bth, every,everybdy, always 等和否定副词 nt 连用构成的。如：Everyne desn't like the stry.＝Nt everyne likes the stry.并非每个人都喜欢这个故事。Bth f the students dn't like the stry.并非这两个学生都喜欢这个故事。
如要对上述的 all, bth, every, always 等词作完全否
定，那就分别要用与之相对应的全否定词，如 n, nne, neither,n ne, never, nt (never)． all 等。如：All f them can d it.他们每个人都能做这件事。→Nne f them can d it.没有一个人能做这件事。He is always late.他经常迟到。→He is never late.他从不迟到。
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