内容正文:
高中外研版必修第二册
【Unit6】
Earth first二
必修第二册
【Unit6】Earth first二
词汇变形及词缀精讲
全部单元单词
affect/'fekt/v.影响
carbon/'kabn/n.碳
severe/s'Iar)/adj.(问题、伤
supply/s3'pla/n.(煤气、电力、greenhouse/'grinhaos/n.温室,势、疾病等)很严重的
自来水等)供应(系统)
暖房
infection /in'fekn/n.感染,传
restore/r'st:r)/v.使恢复
reusable/ri:ju:zab/adj.可再度染病
adopt/A'dppt/v.采取(某种方
使用的,可多次使用的
lecture/'lektf(r)/n.(尤指大学
法)
brochure/'braa)/n.小册子
里的)讲座,讲课,演讲
sustainable/sa'steinabl/adj.可reduce /r'dju:s/v.减少,降低permission /p3'mun/n.允许,许
持续的,不破坏环境的
solar/'sala()/adj.利用太阳光可
bulb /balb/n.灯泡
(能)的
slide/slaId/n.幻灯片
renewable/r'nju:ab/adj.(能release /r'li:sv.释放,排放
源)可更新的,可再生的,可恢smog/smpg/n.烟雾,雾霾
复的
fog/fogn.雾
词汇变形及词缀精讲
1.affect/A'fekt/v.影响
名词形式:effect(影响,效果)
构词解析
前缀af.(=ad-,表“朝向”)+fct(词根“做,制作”),字面义“使作用于”,引申为“影响”。注
意区分:affect(动词)/effect(名词)。
同类词:effect(n.影响)、infect(v.感染)
例句:The bad weather will affect our plan to have a picnic this weekend..
真题链接(外研版高中必修第二册同步练习):The environment has a great
(affect)on people'
s health.(答案:effect)
2.sustainable/sa'stemabl/adj.可持续的,不破坏环境的
动词形式:sustain(维持,支撑)
名词形式:sustainability(可持续性)
构词解析
前缀sus-(=sub-,表“在下面”)+tain(词根“保持”)+后缀-able(可…的),意为“可保持下
高中外研版必修第二册
【Unit6】
Earth first二
去的”。
同类词:maintain(v.维持)、contain(v.包含)
例句:We should develop sustainable energy to protect the environment.
真题链接(外研版高中必修第二册教材例句):Sustainable development is important for the future of
our planet.
3.renewable /rI'nju:abl/adj.(能源)可更新的,可再生的
动词形式:renew(重新开始,更新)
名词形式:renewal(更新,恢复)
构词解析
前缀re-(表“再次")+new(新的)+后缀-able(可…的),意为“可重新变新的”。
同类词:renew(v.更新)、review(v.复习)
例句:Solar energy is a kind of renewable energy that will never run out
真题链接(外研版高中必修第二册同步练习):We should use more
(renew)resources to reduce
pollution.(答案:renewable)
4.reusable /ri:'ju:zabl/adj.可再度使用的,可多次使用的
动词形式:reuse(重新使用)
构词解析
前缀re-(表“再次")+use(使用)+后缀-able(可…的),意为“可再次使用的”。
同类词:recycle(v.回收)、rewrite(v.重写)
Bringing a reusable bag to the supermarket is a good way to reduce waste.
真题链接(外研版高中必修第二册单元测试):These bottles are__(reuse),so you can clean them
and use them again..(答案:reusable)
5.reduce /rI'dju:sv.减少,降低
名词形式:reduction(减少,降低)
形容词形式:reductive(减少的,简化的)
构词解析
前缀re-(表“向后,返回”)+duce(词根“引导”),字面义“引回,使退回”,引申为“减少”。
同类词:produce(v.生产)、introduce(v.介绍)
We can reduce air pollution by taking public transport instead of driving.
真题链接(外研版高中必修第二册同步练习):The government is trying to make a_(reduce)in
carbon emissions..(答案:reduction)
6.solar/'sal()/adj.利用太阳光(能)的
名词形式:sun(太阳)
构词解析
前缀so.(词根“太阳”,来自拉丁语sol)+后缀-r(形容词后缀,表“…的”)。
同类词:solar energy(太阳能)、solarium(日光浴室)
例句:Many houses in this area use solar panels to generate electricity.
真题链接(外研版高中必修第二册教材例句):Solar power is becoming more and more popular around
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高中外研版必修第二册
【Unit6】
Earth first二
the world.
7.release /rI'li:s/V.释放,排放
名词形式:release(释放,发布)
构词解析
前缀re-(表“再次")+lease(词根“松开,释放”),意为“使再次松开”。
Factories should not release harmful gases into the air without treatment.
真题链接(外研版高中必修第二册同步练习):The(release)of chemicals from the factory
polluted the river.(答案:release)
8.severe/sr'vIe)/adj.(问题、伤势、疾病等)很严重的
副词形式:severely
名词形式:severity(严重程度)
构词解析
词根sver(切断,分离)+后缀-e(形容词后缀),原指“切断的,分离的”,引申为“严重的”。
例句:The area was hit by a severe storm last night.
真题链接(外研版高中必修第二册单元测试):The patient's condition is(severe)than we
expected.(答案:more severe)
9.infection/m'fekn/n.感染,传染病
动词形式:infect(感染)
形容词形式:infectious(传染性的)
构词解析
前缀in-(表“进入”)+fct(词根“做,制作”)+后缀-ion(名词后缀,表“动作或结果”),意为
“进入体内并起作用”,即“感染”。
同类词:infect(v.感染)、disinfect(v.消毒)
例句:Washing hands often can prevent the spread of infection.
真题链接(外研版高中必修第二册同步练习):The doctor said that the wound was(infect),so
he needed to take antibiotics.(答案:infected)
l0.permission /p3mun/n.允许,许可
动词形式:permit(允许)
形容词形式:permissible(允许的)
构词解析
前缀per-(表“完全”)+mit(词根“送,放出”)+后缀-ion(名词后缀),意为“完全放出(许
可)”。
例句:You need to ask for permission before you leave the classroom.
真题链接(外研版高中必修第二册教材例句):Without permission,students are not allowed to enter
the lab.
11.lecture/'lekt∫a(r)/n.讲座,讲课
动词形式:lecture(讲课,演讲)
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高中外研版必修第二册
【Unit6】
Earth first三
构词解析
词根lect(选择,收集,引申为“讲”)+后缀-ure(名词后缀,表“行为或结果”)。
同类词:lecturer(n.讲师)、collect(v.收集)
Professor Li will give a lecture on environmental protection tomorrow.
真题链接(外研版高中必修第二册同步练习):The teacher
(lecture)us on the importance of
saving energy yesterday.(答案:lectured)
l2.slide/slaid/n.幻灯片;v.滑动
过去式/过去分词:slid
现在分词:sliding
构词解析
词根slide(滑动),名词和动词同形。
The teacher showed us some slides about renewable energy during the class
真题链接(外研版高中必修第二册单元测试):He(slide)on the ice and hurt his leg.(答案:
slid)
综合训练
一、
根据句意及汉语提示完成单词
1.We should develop
(可持续的)energy to protect the environment,.
2.Solar energy is a kind of
(可再生的)energy that will never run out.
3.Factories should not
(harmful gases into the air without treatment.
4.Washing hands often can prevent the spread of
(感染)
5.You need to ask for
(允许)before you leave the classroom.
二、用所给单词的适当形式填空
1.The environment has a great
(affect)on people's health
2.We should use more
(renew)resources to reduce pollution.
3.These bottles are
(reuse),so you can clean them and use them again
4.The government is trying to make a_(reduce)in carbon emissions.
5.The doctor said that the wound was(infect),so he needed to take antibiotics.
6.The teacher
(lecture)us on the importance of saving energy yesterday.
7.He
(slide)on the ice and hurt his leg
高中外研版必修第二册
【Unit6】
Earth first三
三、完成句子(每空一词)
1.恶劣的天气将会影响我们这个周末去野餐的计划。
The bad weather will
our plan to have a picnic this weekend.
2.我们可以通过乘坐公共交通而不是开车来减少空气污染。
We can
air pollution by taking public transport instead of driving.
3.可持续发展对我们星球的未来很重要。
is important for the future of our planet
4.带一个可重复使用的袋子去超市是减少浪费的好方法。
Bringing a
bag to the supermarket is a good way to reduce waste
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。
Reading aloud is a good way to learn English.When we read,we should pay attention to the
(pronounce)of the words.The teacher often(lecture)us on the importance of reading.She also
shows us some
(slide)to help us understand better.With her help,our English has improved
a lot.We are
(thank)to her for her great(affect)on us.To reduce the use of paper,
we use
(reuse)notebooks.We believe that with
(permit)from our parents,we can do
better in English.
参考答案
I.根据句意及汉语提示完成单词
1.sustainable 2.renewable 3.release 4.infection 5.permission
Ⅱ.用所给单词的适当形式填空
1.effect 2.renewable
3.reusable 4.reduction 5.infected 6.lectured 7.slid
L.完成句子
1.affect 2.reduce 3.Sustainable development 4.reusable
V.语篇填空
1.pronunciation 2.lectures 3.slides 4.thankful 5.effect
6.reusable
7.permission