内容正文:
7年级下册鲁教版
【词汇精讲】
Unit 3
词汇精讲
【Unit3】Will people have robots?
词汇变形及词缀精讲
全部单元单词
paper/'pepa)/n.纸:纸张;论human /'hju:mon/n.人类ad.倒;减少n.落下;秋天
文
人的:人类的
possible'ppsabl/adj.可能的;
pollution /p3'lu:n/n.污染;污
dangerous/'dend3ar3s/adj.危可能存在的
染物
险的
impossible/im'ppsabl/ad.不可
future./'fju:tfo(r)/n.将来;未来already:l'redi/adv.已经:早能的:办不到的
adj.将来的
已
side/said/n.边;方面;侧面
pollute /pa'lut/v.污染:弄脏
factory/'faektri/n.工厂
probably/'prDbabli/ad.很可
environment/m'varranmant/n.believe/br'li:v/v.相信;认为
能:大概
环境
disagree/.dsa'gri:/V.不同意;during/'djar山/prep.在…期
planet/.'plaent/n.行星
持不同意见
间
Erth30/n.地球:大地
even/i:vm/adv.甚至:连;愈加holiday/'hplader/n.假日;假期
peace /pi:s/n.和平:平静
shape小ep/n.形状:外形v.使
apartment/Apa:tmant/n.公寓成形;塑造
套房
fall /fo:l/v.(fell,fallen)落下;跌
词汇变形及词缀精讲
1.pollution /p3lu:n/n.污染;污染物
动词形式:pollute
构词解析:后缀-tio:加在动词后,构成抽象名词,表”动作、过程或结果”。
例句:Air pollution is becoming more and more serious in some cities.
真题链接(鲁教版7下同步练习):We should stop
(pollute)the river..(答案:polluting)
2.pollute /p3lut/v.污染;弄脏
名词形式:pollution
构词解析:后缀-ute:构成动词:对应名词后缀为-tion(pollution)。
例句:Factories must not pollute the air and water.
真题链接(鲁教版7下教材例句):People should not throw rubbish into the river,.because it will pollute
the water.
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7年级下册鲁教版
【词汇精讲】
Unit 3
3.environment/m'varenment/n.环境
形容词形式:environmental(环境的)
构词解析:前缀en-:表”使…处于状态';后缀ment:构成名词,表”结果、状态’:-al:构成形
容词。
例句:We should try our best to protect the environment..
真题链接(鲁教版7下同步练习):
(environment)problems are getting more attention now.
案:Environmental)
4.dangerous/'dend3ras/adj.危险的
名词形式:danger
构词解析:后缀-0S:加在名词后,构成形容词,表”具有…性质的”。
同类词:famous(著名的)、humorous(幽默的)
例句:It's dangerous to play with fire.
真题链接(鲁教版7下教材例句):The snake is a dangerous animal.
5.possible/pDsabl/adj.可能的:可能存在的
副词形式:possibly
反义词:impossible(不可能的)
构词解析:前缀im-:表”不、无”(否定前缀):后缀-ble:构成形容词,表”可…的”;y:构成
副词。
例句:It's possible for us to finish the work in an hour..
真题链接(鲁教版7下同步练习):It's(possible)to fly to the moon without a spaceship.(答
案:impossible)
6.impossible/n'pDsabl/adj.不可能的;办不到的
形容词反义词:possible
副词形式:impossibly
构词解析:前缀im-:表否定”;后缀-ible:构成形容词;-ly:构成副词。
例句:It's impossible for a man to live without water,
真题链接(鲁教版7下教材例句):Is it possible or impossible to live on Mars?
7.human/hju:man//n.人类adj.人的;人类的
名词复数:humans
构词解析:无特殊前后缀,直接作名词和形容词。
例句:Humans need air,water and food to live.
真题链接(鲁教版7下同步练习):
__(human)should protect animals and plants.(答案:Humans)
8.believe /bI'li:v/v.相信:认为
名词形式:belief(信念)
构词解析:后缀-ieve构成动词;对应名词为belief(去e加-ief)。
例句:I believe that our future will be better.
真题链接(鲁教版7下同步练习):Do you
_(belief)in God?(答案:believe)
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7年级下册鲁教版
【词汇精讲】
Unit 3
9.disagree/.dis3'gri:/v.不同意;持不同意见
反义词:agree(同意)
名词形式:disagreement(分歧)
构词解析:前缀dis-:表”否定、相反”;后缀-ment:构成名词。
例句:I disagree with your idea about the plan.
真题链接(鲁教版7下教材例句):They agree with each other,,but I disagree.
I0.probably/'prpb3bli/,adv.很可能:大概
形容词形式:probable
构词解析:后缀-y:加在形容词后,构成副词:-able:构成形容词,表”可能的”。
例句:It will probably rain tomorrow.
真题链接(鲁教版7下同步练习):He will
(probable)come to the party this evening.(答案:
probably)
综合训练
一、
根据句意及汉语提示完成单词
6.The river is seriously polluted,and the()has killed many fish
7.We should take action to protect the(around us.
8.It's
(危险的)to cross the road without looking both ways.
9.With hard work,nothing is(不可能的)in the world.
10.
(have the ability to change the world for the better.
二、用所给单词的适当形式填空
6.We must stop(pollute)the earth before it's too late.
7
(environment)protection is one of the most important issues today.
8.The firemen tried their best to save people from
(dangerous).
9.Is it(possibly)for robots to replace human workers in the future?
10.She shook her head in (disagree)with his decision.
三、完成句子(每空一词)
1.空气污染对我们的健康有害。
Air
is harmful to our health
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7年级下册鲁教版
【词汇精讲】
Unit 3
2.没有水,人类生存是不可能的。
It's
for
to live without water.
3.我们应该相信自己能克服困难。
We should
that we can overcome difficulties.
4.这个地区的环境问题需要立即解决。
The
problems in this area need to be solved immediately.
四、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。
Our planet is facing many problems.One of the biggest is air
(pollute).Factories and cars
(pollute)the air every day,making it hard to breathe.Another problem is.
(environment)
damage,which puts many animals in(dangerous).Some people think it's
(possible)to
fix these problems,but I(agree).I believe humans can work together to protect the earth.We
should plant more trees and stop(throw)rubbish everywhere.With everyone's effort,a clean
and safe future is
(probable)not too far away.
参考答案
I.根据句意及汉语提示完成单词
6.pollution 7.environment 8.dangerous 9.impossible
10.Humans
Ⅱ用所给单词的适当形式填空
6.polluting
7.Environmental 8.danger 9.possible 10.disagreement
L.完成句子
1.pollution 2.impossible;humans 3.believe 4.environmental
V.语篇填空
1.pollution 2.pollute 3.environmental 4.danger 5.impossible 6.disagree
7
throwing 8.probably
4