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7年级下册鲁教版
【寒假专版】
D版词义辨析及同义替换精讲
寒假专版
【Unit3】Vill people have robots?
词义辨析及同义替换精讲
本单元核心词汇
一、全部单元单词
paper/'pep/n.纸:纸张;论套房
成形;塑造
文
human/'hju:man/n.人类adj.人fa/f:/v.(fel,fallen)落下;跌
pollution /p3'lu:n/n.污染;污染的:人类的
倒:减少n.落下;秋天
物
dangerous/'demd3r3s/adj.危possible./'ppsabl/adj.可能的:可
future/'fju:tfa(r)/n.将来:未来险的
能存在的
adj将来的
already:l'redi/ad.已经;早impossible/m'ppsabl/adj.不可
pollute /p3'lut/v.污染;弄脏已
能的:办不到的
environment /m'vairanmant/n.factory /'faektri/n.I
side/said/n.边;方面;侧面
环境
believe /bI'li:v/v.相信:认为
probably'prDbabli/adv..很可
planet/'plaent/n.行星
disagree/.drsa'gri/v.不同意:持能;大概
Erth3:0/n.地球:大地
不同意见
during/'djor四/prep.在…期
peace /pi:s/n.和平;平静
even/'i:vm/adv.甚至;连:愈加间
apartment'pa:tmnt/n.公寓shape /ferp/n.形状;外形v.使holiday/'hplader/n.假日;假期
词义辨析及同义替换
1.
pper/pep(r)/n.纸;纸张;论文
词义辨析:
pa即r:作“纸”时为不可数名词,指书写或印刷用的材料:作“论文”时为可数名词,指学术
性文章。
newspaper:侧重指“报纸”,是可数名词,强调刊载新闻的读物。
同义替换:
essay(论文义),document(文件义)
例句:
Can you give me a piece of paper?I need to write down the notes.
真题链接:(鲁教版7下同步练习)
He is writing a
about environmental protection.
7年级下册鲁教版
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D版词义辨析及同义替换精讲
A.paper
B.newspaper
C.book
(答案:A)
2.pollution /p3'lujn/n.污染:污染物
词义辨析:
pollution:不可数名词,泛指“污染”这一抽象概念,或污染物的总称。
pollutant:可数名词,指具体的“污染物”,如工厂排放的有害物质。
同义替换:
contamination
例句:
Air pollution is becoming more and more serious in big cities.
真题链接:(鲁教版7下单元测试)
The river is dirty because of the
from the factory.
A.pollution B.pollute C.pollutant
(答案:A)
3.future/'fjut()/n.将来;未来adj.将来的
词义辨析:
fure:名词时指“未来”,强调时间上的“以后”:形容词时表示“将来的”,修饰名词。
tomorrow:
仅指“明天”,时间范围具体且短暂。
同义替换:
future time,coming
例句:
We should study hard for our future.
真题链接:(鲁教版7下同步练习)
What do you want to be in the
A.past B.future C.present
(答案:B)
4.pollute/p3'lut/.污染;弄脏
词义辨析:
pollute:及物动词,侧重“使受污染”,直接接宾语,如pollute the air/water。
dity:可作动词或形容词,作动词时指“弄脏”,语气较弱,如dirty the floor。
同义替换:
contaminate,弄脏→soil
例句:
Factories should not pollute the river near our village.
真题链接:(鲁教版7下单元测试)
It's bad to
the environment.We should protect it.
A.pollute
B.clean C.save
(答案:A)
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5.environment./m'vairenment/n.环境
词义辨析:
environment:
指生物生存的自然“环境”,或影响人成长的社会环境,不可数名词。
surroundings:
指“周围的事物或环境”,强调具体的物质环境,可数名词。
同义替换:
surroundings,habitat
例句:
We must do something to protect the environment.
真题链接:(鲁教版7下期中测试)
The
around us is very important for our health.
A.environment B.future C.planet(答案:A)
6.possible/'ppsabl/adj.可能的:可能存在的
词义辨析:
possible:强调“客观上有可能”,但实现的可能性不一定大,常用搭配It is possible to do sth,
probable:指“很可能的”,可能性比possible大,常用搭配It is probable that..
同义替换:
likely,achievable
例句:
It is possible for us to finish the work in two days.
真题链接:(鲁教版7下同步练习)
Is it to travel to the moon by spaceship?
A.possible
B.impossible C.probably
(答案:A)
7.impossible/im'pDs3bl/adj.不可能的:办不到的
词义辨析:
impossible:possible的反义词,指“完全不可能”,语气绝对。
unlikely:指“不太可能的”,可能性较小,但并非完全没有可能。
同义替换:
out of the question
例句:
It is impossible for a man to fly like a bird without machines
真题链接:(鲁教版7下单元测试)
-Can you finish the task in an hour?
No,it's.I need at least two hours.
A.possible B.impossible C.easy
(答案:B)
8.probably/'prpbabli/adv.很可能;大概
3
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词义辨析:
probably::副词,侧重“可能性较大”,常位于be动词、助动词之后,实义动词之前。
maybe:副词,口语化,可能性比probably小,位置灵活,可放句首、句中或句末。
同义替换:
likely,perhaps
例句:
It will probably rain tomorrow,so take an umbrella.
真题链接:(鲁教版7下同步练习)
She
comes from England.Her English is very good.
A.probably B.impossible C.possible
(答案:A)
9.during/'djoaru/prep.在…期间
词义辨析:
dung:介词,后接名词或名词短语,表示“在…期间”,强调动作在某段时间内持续。
while:连词,后接从句,表示“当…时候”,强调主从句动作同时发生。
同义替换:
in the course of
例句:
We often go swimming during the summer holiday.
真题链接:(鲁教版7下期中测试)
I read a storybook the flight to Beijing.
A.during
B.while C.when(答案:A)
10.holiday/hol3den.假日;假期
词义辨析:
holiday:英式英语,泛指“假日、假期”,可指一天或多天的休息日。
vacation:美式英语,尤指“较长的假期”,如学校的寒暑假。
同义替换:
vacation,break
例句:
We are going to the beach for our summer holiday.
真题链接:(鲁教版7下单元测试)
What do you usually do your holiday?
A.during
B.on C.with
(答案:A)
11.believe /bI'li:v/v.相信;认为
词义辨析:
believe:侧重“主观上相信”,后可接宾语从句或sb.(指相信某人的话)。
tust:强调“信任、信赖”,指对某人的品德或能力有信心。
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D版词义辨析及同义替换精讲
同义替换:
trust,think
例句:
I believe that our team will win the game.
真题链接:(鲁教版7下同步练习)
Do you
what he said?He often tells lies.
A.believe B.trust C.know
(答案:A)
12.disagree/,dsa'gri:/v.不同意;持不同意见
词义辨析:
disagree:不及物动词,后常接with sb./sth,表示“与…意见不合”,语气较平和。
argue:指“争论、争辩”,强调因观点不同而激烈讨论,常接with sb.about sth,
同义替换:
disapprove,differ
例句:
I disagree with you about this plan.I think it's too risky
真题链接:(鲁教版7下单元测试)
Theywith each other on the best way to solve the problem.
A.agree B.disagree
C.help(答案:B)
l3.dangerous/dend3ar3s/adj.危险的
词义辨析:
dangerous::形容词,指事物本身“具有危险性”,主语通常是危险的来源。
in danger:介词短语,指“处于危险中”,主语是面临危险的对象。
同义替换:
hazardous,risky
例句:
It's dangerous to play with fire
真题链接:(鲁教版7下同步练习)
The river is deep and fast.It's to swim here
A.safe B.dangerous C.easy
(答案:B)
l4.already/:l'redi/adv..已经;早已
词义辨析:
already:副词,用于肯定句或疑问句,强调“动作已完成”,通常位于助动词之后,实义动词之
前。
yt:用于否定句或疑问句,指“尚未”,通常位于句末。
同义替换:
by now,previously
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D版词义辨析及同义替换精讲
例句:
I have already finished my homework.Let's play outside.
真题链接:(鲁教版7下单元测试)
-Have you
seen the movie?
-Yes,I saw it last week
A.yet B.already C.never
(答案:B)
综合演练
综合练习
一、
单项选择
1.We need to reduce
to make the city cleaner.
A.pollution
B.pollutant
C.pollute
2.Itis
for humans to live without water for more than a week.
A.possible
B.impossible
C.probable
3.-Have you finished your scienceyet?
-Yes,I wrote about climate change.
A.paper
B.newspaper
C.book
4.My parents often tell me to study hard for my
A.past
B.future
C.present
5.You should not
the river by throwing trash into it.
A.clean
B.save
C.pollute
二、根据句意及首字母提示填空
6
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D版词义辨析及同义替换精讲
1.The government is trying to protect the e by planting more trees
2.It is p to finish the project in three days if we work together.
3.He has a left for Shanghai,so you can't see him today.
4.Playing with electricity is d;it may cause accidents.
5.We usually go hiking d the summer vacation.
三、用所给单词的适当形式填空
1.Factories should stop(pollute)the air and water.
2.She is (possible)the most hardworking student in our class.
3.We are
(dangerous)when we cross the road without looking.
4.I
(already finish)my homework before dinner.
5.The
(environment)around the lake has improved a lot recently.
四、完成句子(每空一词)
1.我相信我们的梦想总有一天会实现。
that our dreams will come true one day.
2.他不同意我的观点,因为他有不同的想法。
He
me because he has different ideas.
3.这个问题对我来说太难了,几乎不可能解决。
This problem is too hard for me;it's
solve
4.我们应该在假期期间多帮助父母做家务。
We should help parents with housework
the
五、语篇填空
阅读下面短文,在空白处填入一个适当的单词或用括号内单词的正确形式填空,使短文通顺、连
贯。
7
7年级下册鲁教版
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D版词义辨析及同义替换精讲
Environmental protection is important for our future.Many people
(believe)that we must act
now to stop pollution.For example,we should not throw(pollute)into rivers or oceans.It is
(possible)to clean the water once it is heavily polluted.
During holidays,some students volunteer to pick up trash in parks.They say it is(danger)to
leave plastic bags on the ground because animals may eat them.
(probable)more people will
join this activity next year.By working together,we can make our
(environment)cleaner and
safer.
参考答案
I.单项选择
1.A2B
3.A4.B5.C
I工.根据句意及首字母提示填空
1.environment 2.possible 3.already 4.dangerous
5.during
I用所给单词的适当形式填空
1.polluting 2.probably 3.in danger
4.have already finished
5.environment
V.完成句子
1.believe 2.disagrees with 3.almost impossible to 4.during;holiday
V.语篇填空
1.believe
2.pollutants 3.impossible 4.dangerous 5.Probably
6.environment
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