Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
1. The flowers and grass have gone!
go在此处是不及物动词，意为“不复存在，不见了，丢失，失窃”
2. It smells terrible.
系动词的分类
(1)表示状态的系动词
be; feel; smell; sound; taste; seem; appear; look; keep; remain; stay; stand
(2) 表示转变或结果的系动词
become; turn; grow; fall; get; go; come
3. Look, there are several chemical factories pouring waste water into the stream.
(1) There be + sth./sb. doing sth. 为固定句型，意为“有某人或某物正在做某事”
(2) pouring ... into把…倒入
(3) waste adj. 废弃的，无用的
n. 浪费，废弃物
v. 浪费
Unit 2 Topic 1 Section A 随堂练习
根据句意及首字母提示写出正确的单词
Jack is a lazy boy. His room is always in a .
You should know it's a to cheat in the exam.
We shouldn't every drop of water because we are short of it now.
Wang Bin is a brave young man. He saved a boy from a river months ago.
Don't throw littler around. It will the air.
二．单项选择
1. -- Mike's father works in a supermarket. He's always as busy as ________ bee.
-- So he is.
a B. an C. the D.不填
2. -- What a wonderful park!
--Yes. There are many birds __________ here.
sing B. singing C. to sing D. sang
--Tommy, don't make a________ in your room.
--OK, Mom. I’ll put away my toys at once.
A. mistake B. mess C. decision D. face
4. We can't swim in the river any more. The new factory is ______ waste water into it.
A. throwing B. wounding C. cleaning D. pouring
5. -- Our country a lot so far .
--Yes . I hope it will be even .
A. has changed ; well B. changed ; good C. has changed ; better D. changed ; better
6. Zhao Lan already in this school for two years .
A. was ; studying B. will ; study C. has ; studied D. are ; studying
根据汉语意思完成英语句子，每空一词
1.这些树太小了，你们不应该砍下它们。
These trees are too young. You shouldn't __________ __________ _________.
2.刚才这个男孩把牛奶倒入了碗里。
The boy __________ the milk __________ the bowl just now.
3.因为你的错误决定,我们不得不停止这个计划。
We had to stop the plan ___________ __________your wrong decision.
花和草都消失了。
The flowers and grass _________ _________.
去野餐怎么样？
What about ________ ________ _________
Section B
1. It’s difficult for me to breathe.
breathe v. 呼吸
breathe out 呼出； breathe in 吸入
注意：breath n.
take a deep breath 深深地吸一口气； hold one’s breath 屏住呼吸 be out of breath停止呼吸
2. I’ve got a pain in my throat.
pain n. 疼痛；痛苦。
have a pain in+身体某部位：表示身体某部位疼痛。
拓展：No pain, no gains.没有痛苦就没有收获。
painful 痛苦的 painless 没有痛苦的；无痛的
3. The chemical factory produces terrible gas.
produce v. 出产，生产，制造
n. product 产品[c]
4. What’s worse 更糟糕得是
What’s more 而且，并且，更为重要得是
5. ... I can’t bear the environment here.
bear v. 容忍
can’t bear sb. / sth.
bear doing /to do sth.
拓展：stand 也有容忍，忍受的意思。
6. anyway adv. “ 无论如何”
hope to do sth.
hope that+从句
wish to do sth.
wish that+从句
wish sb. to do sth
wish sb. sth.
注意: hope n. 希望； wish n. 祝愿，祝福
7. harmful adj. 对......有害的
be harmful to 对......有害
harm n. 损害；伤害，危害
do harm to 对.....造成伤害
Unit 2 Topic 1 Section B 随堂练习
根据句意及汉语提示写出正确的单词
His broken leg gave him a lot of (疼痛)last year.
The gas smells very （很坏的）。I can hardly breathe.
How many bikes does the bike factory （制造）every day
Lisa can't （忍受）to have dinner in a crowded place.
Fish cannot (呼吸) out of water.
单项选择
1. It’s difficult for me after the 20-kilometer hiking.
A. breath B. breathe C. to breath D. to breathe
2. The office is so small that we can’t ________working in it.
A. bears B. stand C. help D. make
3. I ________ you to have a happy journey.
A. hope B. wish C. wonder D. make
4. Noise pollution can make people sick and deaf. ________ , too much noise cause high blood pressure.
A. What’s more B. What’s worse C. Whatever D. What’s better
5. —My mother doesn't allow me to eat too much sweet food.
—She is right. Sweet food is harmful ______ your teeth.
at B. to C.in D. on
三.从方框中选择恰当的短语，并用其适当形式填空。
what’s worse in a bad mood had better write to be harmful to
1. Litter__________________ our environment.
2. I __________________ you as soon as possible.
3. It’s dangerous here. You __________________ go home at once.
4. Every time they went dancing, they ended up____________________.
5. It is getting colder.____________________, they don’t have enough water.
四．综合填空
根据短文内容，用所给单词的适当形式填空。
loud, live, protect, easy, pollute, waste
Life today is much better. However, there are new problems. One of the biggest ones is how to 1 our environment. Waste water has made rivers dirty. It kills fish and 2 our drinking water. Noise pollution makes us speak 3 and become angry more 4 . Air pollution is the most serious. It’s bad for all 5 things in the world.
1.________ 2.________ 3.________ 4.________ 5.________
Section C
1. However, not all people know noise is also a kind of pollution and is harmful to people’s health.
not all…… 不是所有的，表示部分否定。not 与every, both, all等连用时表示部分否定。
拓展表示全部否定的词有：neither, none, nothing, nobody, no one 等。
例如：None of what they said was right.
2. go deaf 变聋。
拓展“go+形容词”多表示“(从好的状态)变成坏的状态”。
例如：In hot weather，meat goes bad easily. 在天热的时候，肉很容易变质。
3. lose one’s hearing 丧失听力=have hearing loss
4.
It is reported that...... 据报道…… It is said that ...... 据说……， It is believed that ...... 人们相信…… It is well known that ...... 众所周知……
no better than = almost as bad / badly as 不比……好，和……一样糟
例如：His English speaking is no better than my sister’s.
5. too much 太多 + 不可n. 例如：I drank too much cola last night．昨天晚上我可乐喝得太多了。
much too 太 + adj./ adv. 例如：It's much too cold．天气实在太冷了
Unit 2 Topic 1 Section C 随堂练习
―.根据句意用适当的介词填空。
Yang Lin, you look pale.What’s wrong you
It won't be easy us to finish the report on time.
This kind of animal sleeps in the daytime and goes out night.
What’s your opinion these problems
二．根据汉语或首字母提示写出正确的单词。
1. The old man can hear nothing, because he is ________.
2. The workers work late at night to tomorrow's newspaper.
3. To my joy, my spoken English has improved a lot (最近).
4. Mike is doing his homework We'd better not him.
单项选择
1. —Don’t make so much noise, or you’ll your neighbors.
A. hurt B. cheer C. disturb D. include
2. If we continue to be their cry for help, things are sure to go from bad to worse.
A. interested in B. pleased with C. close to D. deaf to
3. —A few students went to the park though the weather was terrible.
—Yeah. the students wanted stay at home on Sundays.
Not all B. Not every C. Almost all D. Nearly all
4.—Are you feeling better, Yang Li
—To tell the truth, it's ________ before and I should say ifs even worse.
much better than B.no better than C. much worse than D. no worse than
5. It ___________ that the bad weather will stay for two weeks.
A. reported B. is reported C. reports D. will report
6. Water pollution influences the look of our city and even worse, it ____ our health.
A. does good to B. points to C. does harm to D. is helpful to
四. 综合填空：根据短文内容及所给提示，用正确形式将短文补充完整。
Noise is a kind of 1 (pollute). Cars and machines produce too much noise. It makes people feel 2 (comfortable). Making a loud noise in public is also a 3 /s t/ of pollution. It not only 4 (打扰) others but also hurts people’s 5 (hear). It can even make people go 6 /def/ or have high blood pressure.
As students, we should help solve this environmental problem. First, we shouldn’t speak 7 a loud voice in public. Second, we should find a suitable time and place to enjoy music. We can also plant more trees.
If everyone makes a contribution 8 the environment, we’ll succeed in improving it.
Section D
1. There are many kinds of pollution around us, including air pollution, soil pollution, noise pollution and light pollution.
①include是动词.意思是包含,包括, including 是介词，后一般接名词。
②各种各样的污染：air pollution, soil pollution, noise pollution, water pollution, light pollution.
2. In the fields, farmers use too many chemicals which destroy the soil.
① chemical作名词时，意为“化学品”，在此指“化肥和农药”。作形容词时意为“化学的”。
② which destroy the soil 是定语从句，修饰chemicals。
3. For example, people may lose their hearing if they work in a noisy place for a long time.
① lose one’s hearing 丧失听力=hearing loss(名词短语，可数)
② noise 噪音，常指不悦耳、不和谐的嘈杂声。 n. noisy 嘈杂的，吵闹的 adj.
区别： voice 嗓音，一般指人的声音，说话、唱歌。
sound 作“声音”，“响声”讲时，可以指人或动物发出的声音，或物体碰撞的声音。这个词的使用范围很大。可以说，大自然的任何“声音”都可以用sound。
Eg. Don’t make any noise!
Light travels much faster than sound.
The girl has a beautiful voice.
4. With less pollution, our planet will become greener and our health will be better. Let’s be greener people.
① with 在此意为“随着” eg. with the increase in pollution… with the development of…
② 第二个greener 意为“环保的，赞成环保的”。
5. 重点词组串烧
be bad for 对……有害
in many ways 在许多方面
breathing problem 呼吸系统问题 breath n. 呼吸 breathe 呼吸 v.
put… into 把……放入
go deaf 变聋
high blood pressure 高血压
Unit 2 Topic 1 Section D 随堂练习
根据句意及汉语提示写出正确的单词。
Now few families in the city use __________（煤块）to cook.
Our government plans to ____________（创造）more jobs for young people.
He got up from the ground with __________（血）on his face.
There are many people in the room, ___ （包括）Jim and Lucy.
二.单项选择
1. Mr. Zhang looks very weak because he lost a lot of _________ in the accident
A. space B. water C. blood D. money
2. —There are cars on the road these days.
—Yes, and there's pollution！
too much; too many B.too many； too much C.too much; too much D.much too; much too
3. The noise pollution is too serious, and lots of workers in this factory _______ deaf so far.
A. go B. went C. have gone D. going
4. It _______ that the bad weather will stay for three days.
A. is reported B. reported C. reports D. reporting
5. --- I hear that noise pollution can cause people to lose _______, Is that true
--- Of course, quite a few people living near airports have _______.
hearing loss, their hearing B. their hearing, hearing loss
C.their hearings, hearing losses D. their hearings, hearing loss
三．根据句意填入合适的短语.
1. 噪音污染也可能引起高血压。
Noise pollution can cause as well.
2. 大多数人没有意识到自己正呼吸着被污染的空气。
Most people don’t that they polluted air.
3. 我们需要发展本地工业。
We need to the local .
4. 随着工业的发展，环境污染成为一大社会问题。
, environmental pollution becomes a big social problem.
5. 燃烧煤和汽油污染大气，也有害于我们的健康。
Burning coal and oil pollutes the air, and it our health .
四．从方框内选择恰当的单词正确形式完成下面的短文。
Air is all around us. It is around us when we walk and play. From the time we were born, air is around us on each side. We live in the air every day. However, with the 1. of modern society, air pollution has become one of the most serious problems in the world today. People make the air dirty with gas and smoke 2. by machines. Badly polluted air can cause sickness and even 3. . Everyone wants to stop pollution, but it’s a difficult problem to solve.
Most of the pollution is caused by things that people need. Automobiles （汽车）and planes cause pollution, but they also provide people with transportation. Factories cause air pollution, too, but they also provide people with jobs and products. In crowded cities, 4. of automobiles and factories can add tons of pollution to the air every day.
Nobody likes air pollution. It makes clear and fresh air look 5. and smell bad. It is 6. to everyone’s health. Air pollution damages the plants that provide us with food. Most materials are used up more quickly in polluted air than they do in clean air. Polluted air can even damage strong materials like steel and concrete （混凝土）.
If we want to stop pollution immediately, we would have to stop 7. many of the machines that make life 8. for us. Pollution can be stopped 9. . Scientists and engineers can develop automobiles that produce 10. pollution.Unit 2 Saving the Earth
Topic 1 Pollution has caused too many problems.
Section A
1. The flowers and grass have gone!
go在此处是不及物动词，意为“不复存在，不见了，丢失，失窃”
2. It smells terrible.
系动词的分类
(1)表示状态的系动词
be; feel; smell; sound; taste; seem; appear; look; keep; remain; stay; stand
(2) 表示转变或结果的系动词
become; turn; grow; fall; get; go; come
3. Look, there are several chemical factories pouring waste water into the stream.
(1) There be + sth./sb. doing sth. 为固定句型，意为“有某人或某物正在做某事”
(2) pouring ... into把…倒入
(3) waste adj. 废弃的，无用的
n. 浪费，废弃物
v. 浪费
Unit 2 Topic 1 Section A 随堂练习
根据句意及首字母提示写出正确的单词
Jack is a lazy boy. His room is always in a mess .
【答案】mess
【解析】in a mess 肮脏，杂乱.
You should know it's a shame to cheat in the exam.
【答案】shame
【解析】shame n. 羞耻，羞愧.
We shouldn't waste every drop of water because we are short of it now.
【答案】waste
【解析】waste v. 浪费
Wang Bin is a brave young man. He saved a boy from a river several months ago.
【答案】several
【解析】several pron. 几个，数个.
Don't throw littler around. It will pollute the air.
【答案】pollute
【解析】pollute v.污染.
二．单项选择
1. -- Mike's father works in a supermarket. He's always as busy as A bee.
-- So he is.
a B. an C. the D.不填
【答案】A
【解析】bee以辅音音素开头，所以用a.
2. -- What a wonderful park!
--Yes. There are many birds B here.
sing B. singing C. to sing D. sang
【答案】B
【解析】there be +主+doing sth 某人/某物做某事
--Tommy, don't make a B in your room.
--OK, Mom. I’ll put away my toys at once.
mistake B. mess C. decision D. face
【答案】B
【解析】make a mess 弄乱，搞成一团糟
4. We can't swim in the river any more. The new factory is D waste water into it.
A. throwing B. wounding C. cleaning D. pouring
【答案】D
【解析】pour into 把...倒里，倒入
5. -- Our country C a lot so far .
--Yes . I hope it will be even .
has changed ; well B. changed ; good C. has changed ; better D. changed ; better
【答案】C
【解析】so far 到目前为止，与现在完成时连用；even 更加，修饰比较级.
6. Zhao Lan C already in this school for two years .
A. was ; studying B. will ; study C. has ; studied D. are ; studying
【答案】C
【解析】for+一段时间，与现在完成时连用.
根据汉语意思完成英语句子，每空一词
1.这些树太小了，你们不应该砍下它们。
These trees are too young. You shouldn't cut them down .
【答案】cut them down
【解析】cut down 砍下.
2.刚才这个男孩把牛奶倒入了碗里。
The boy poured the milk into the bowl just now.
【答案】poured ; into
【解析】pour…into… 把……倒入……； just now 刚才，用于一般过去时.
3.因为你的错误决定,我们不得不停止这个计划。
We had to stop the plan because of your wrong decision.
【答案】because of
【解析】because of 因为.
花和草都消失了。
The flowers and grass have gone .
【答案】have gone
【解析】have/has gone 不见了，消失了.
去野餐怎么样？
What about having a picnic
【答案】having a picnic
【解析】have a picnic 去野餐；what about doing sth 做某事怎么样？
Section B
1. It’s difficult for me to breathe.
breathe v. 呼吸
breathe out 呼出； breathe in 吸入
注意：breath n.
take a deep breath 深深地吸一口气； hold one’s breath 屏住呼吸 be out of breath停止呼吸
2. I’ve got a pain in my throat.
pain n. 疼痛；痛苦。
have a pain in+身体某部位：表示身体某部位疼痛。
拓展：No pain, no gains.没有痛苦就没有收获。
painful 痛苦的 painless 没有痛苦的；无痛的
3. The chemical factory produces terrible gas.
produce v. 出产，生产，制造
n. product 产品[c]
4. What’s worse 更糟糕得是
What’s more 而且，并且，更为重要得是
5. ... I can’t bear the environment here.
bear v. 容忍
can’t bear sb. / sth.
bear doing /to do sth.
拓展：stand 也有容忍，忍受的意思。
6. anyway adv. “ 无论如何”
hope to do sth.
hope that+从句
wish to do sth.
wish that+从句
wish sb. to do sth
wish sb. sth.
注意: hope n. 希望； wish n. 祝愿，祝福
7. harmful adj. 对......有害的
be harmful to 对......有害
harm n. 损害；伤害，危害
do harm to 对.....造成伤害
Unit 2 Topic 1 Section B 随堂练习
根据句意及汉语提示写出正确的单词
His broken leg gave him a lot of pain(疼痛)last year.
【答案】pain
【解析】pain n. 疼，痛，痛苦.
The gas smells very awful（很坏的）。I can hardly breathe.
【答案】awful
【解析】awful adj. 很坏的，极讨厌的。
How many bikes does the bike factory produce（制造）every day
【答案】produce
【解析】produce v. 制造.
Lisa can't bear（忍受）to have dinner in a crowded place.
【答案】bear
【解析】bear v. 承受，忍受.
Fish cannot breathe (呼吸) out of water.
【答案】breathe
【解析】breathe v. 呼吸.
单项选择
1. It’s difficult for me D after the 20-kilometer hiking.
A. breath B. breathe C. to breath D. to breathe
【答案】D
【解析】It’s + adj. + for sb. to do sth. 对某人来说，做某事是....的; breathe v. 呼吸; breath n. 呼吸.
2. The office is so small that we can’t B working in it.
A. bears B. stand C. help D. make
【答案】B
【解析】can’t stand doing sth 无法忍受做某事
3. I B you to have a happy journey.
A. hope B. wish C. wonder D. make
【答案】B
【解析】wish sb to do sth 希望某人做某事; hope没有这个用法.
4. Noise pollution can make people sick and deaf. ________ , too much noise cause high blood pressure.
A. What’s more B. What’s worse C. Whatever D. What’s better
【答案】B
【解析】What’s worse 更糟糕的是.
5. —My mother doesn't allow me to eat too much sweet food.
—She is right. Sweet food is harmful ______ your teeth.
at B. to C.in D. on
【答案】B
【解析】be harmful to 对....有害
三.从方框中选择恰当的短语，并用其适当形式填空。
what’s worse in a bad mood had better write to be harmful to
Litter_______________ our environment.
【答案】is harmful to
【解析】be harmful to = do harm to 对……有害.
I _______________ you as soon as possible.
【答案】write to
【解析】write to sb 给某人写信.
It’s dangerous here. You _______________ go home at once.
【答案】had better
【解析】had better do sth 最好做某事.
Every time they went dancing, they ended up_________________.
【答案】in a bad mood
【解析】in a bad mood 心情不好；句意:每次他们去跳舞，都是乘兴而去，败兴而归.
It is getting colder._________________, they don’t have enough water.
【答案】What’s worse
【解析】what’s worse 更惨的是.
四．综合填空
根据短文内容，用所给单词的适当形式填空。
loud, live, protect, easy, pollute, waste
Life today is much better. However, there are new problems. One of the biggest ones is how to 1 our environment. Waste water has made rivers dirty. It kills fish and 2 our drinking water. Noise pollution makes us speak 3 and become angry more 4 . Air pollution is the most serious. It’s bad for all 5 things in the world.
1.【答案】protect
【解析】how to protect the environment 如何保护环境.
2.【答案】pollutes
【解析】句意：废水使河水变脏，杀死鱼，并且污染我们的饮用水.
3.【答案】loudly/louder
【解析】句意：噪音污染使我们说话（更）大声.
4.【答案】easily
【解析】句意：噪音污染使我们更容易大声说话，频繁生气. 副词修饰动词.
5.【答案】living
【解析】living adj. 活着的.
Section C
1. However, not all people know noise is also a kind of pollution and is harmful to people’s health.
not all…… 不是所有的，表示部分否定。not 与every, both, all等连用时表示部分否定。
拓展表示全部否定的词有：neither, none, nothing, nobody, no one 等。
例如：None of what they said was right.
2. go deaf 变聋。
拓展“go+形容词”多表示“(从好的状态)变成坏的状态”。
例如：In hot weather，meat goes bad easily. 在天热的时候，肉很容易变质。
3. lose one’s hearing 丧失听力=have hearing loss
4.
It is reported that...... 据报道…… It is said that ...... 据说……， It is believed that ...... 人们相信…… It is well known that ...... 众所周知……
no better than = almost as bad / badly as 不比……好，和……一样糟
例如：His English speaking is no better than my sister’s.
5. too much 太多 + 不可n. 例如：I drank too much cola last night．昨天晚上我可乐喝得太多了。
much too 太 + adj./ adv. 例如：It's much too cold．天气实在太冷了
Unit 2 Topic 1 Section C 随堂练习
―.根据句意用适当的介词填空
Yang Lin, you look pale.What’s wrong you
【答案】with
【解析】What’s wrong with sb 某人怎么样了？
It won't be easy us to finish the report on time.
【答案】for
【解析】it’s +adj for sb to do sth 对某人来说，做某事怎么样.
This kind of animal sleeps in the daytime and goes out night.
【答案】at
【解析】at night 在晚上.
What’s your opinion these problems
【答案】about
【解析】句意：关于这些问题，你的观点是什么？
二．根据汉语或首字母提示写出正确的单词
1. The old man can hear nothing, because he is ________.
【答案】deaf
【解析】deaf adj. 聋的.
The workers work late at night to tomorrow's newspaper.
【答案】print
【解析】print v. 印刷.
To my joy, my spoken English has improved a lot (最近).
【答案】recently
【解析】recently adv. 不久前，最近.
Mike is doing his homework We'd better not him.
【答案】disturb
【解析】disturb v.打扰，扰乱.
单项选择
1. —Don’t make so much noise, or you’ll your neighbors.
A. hurt B. cheer C. disturb D. include
【答案】C
【解析】句意：别制造太多噪音，否则你会影响到邻居的; disturb v.打扰，扰乱.
2. If we continue to be their cry for help, things are sure to go from bad to worse.
A. interested in B. pleased with C. close to D. deaf to
【答案】D
【解析】be deaf to sth 对.....充耳不闻.
3. —A few students went to the park though the weather was terrible.
—Yeah. the students wanted stay at home on Sundays.
Not all B. Not every C. Almost all D. Nearly all
【答案】A
【解析】not all +名词复数. 不是所有的，表示部分否定。not 与every, both, all等连用时表示部分否定。
4.—Are you feeling better, Yang Li
—To tell the truth, it's ________ before and I should say ifs even worse.
much better than B.no better than C. much worse than D. no worse than
【答案】B
【解析】no better than = almost as bad / badly as 不比……好，和……一样糟
5. It ___________ that the bad weather will stay for two weeks.
A. reported B. is reported C. reports D. will report
【答案】B
【解析】It was/is reported that...... 据报道……
6. Water pollution influences the look of our city and even worse, it ____ our health.
A. does good to B. points to C. does harm to D. is helpful to
【答案】C
【解析】be harmful to = do harm to 对....有害.
四. 综合填空：根据短文内容及所给提示，用正确形式将短文补充完整。
Noise is a kind of 1 (pollute). Cars and machines produce too much noise. It makes people feel 2 (comfortable). Making a loud noise in public is also a 3 /s t/ of pollution. It not only 4 (打扰) others but also hurts people’s 5 (hear). It can even make people go 6 /def/ or have high blood pressure.
As students, we should help solve this environmental problem. First, we shouldn’t speak 7 a loud voice in public. Second, we should find a suitable time and place to enjoy music. We can also plant more trees.
If everyone makes a contribution 8 the environment, we’ll succeed in improving it.
1.【答案】pollution
【解析】pollution n.污染.
2.【答案】uncomfortable
【解析】句意：车和机器产生很多噪音，它使人感到不舒服. uncomfortable adj. 不舒服的.
3.【答案】sort
【解析】sort n. 一种，一类.
4.【答案】disturbs
【解析】disturb v. 扰乱,打扰.
5.【答案】hearing
【解析】hearing n. 听力.
6.【答案】deaf
【解析】go deaf 变聋.
7.【答案】in
【解析】in a loud voice 大声地。
8.【答案】to
【解析】make a contribution to sth 对......做贡献.
Section D
1. There are many kinds of pollution around us, including air pollution, soil pollution, noise pollution and light pollution.
①include是动词.意思是包含,包括, including 是介词，后一般接名词。
②各种各样的污染：air pollution, soil pollution, noise pollution, water pollution, light pollution.
2. In the fields, farmers use too many chemicals which destroy the soil.
① chemical作名词时，意为“化学品”，在此指“化肥和农药”。作形容词时意为“化学的”。
② which destroy the soil 是定语从句，修饰chemicals。
3. For example, people may lose their hearing if they work in a noisy place for a long time.
① lose one’s hearing 丧失听力=hearing loss
② noise 噪音，常指不悦耳、不和谐的嘈杂声。 n. noisy 嘈杂的，吵闹的 adj.
区别： voice 嗓音，一般指人的声音，说话、唱歌。
sound 作“声音”，“响声”讲时，可以指人或动物发出的声音，或物体碰撞的声音。这个词的使用范围很大。可以说，大自然的任何“声音”都可以用sound。
Eg. Don’t make any noise!
Light travels much faster than sound.
The girl has a beautiful voice.
4. With less pollution, our planet will become greener and our health will be better. Let’s be greener people.
① with 在此意为“随着” eg. with the increase in pollution… with the development of…
② 第二个greener 意为“环保的，赞成环保的”。
5. 重点词组串烧
be bad for 对……有害
in many ways 在许多方面
breathing problem 呼吸系统问题 breath n. 呼吸 breathe 呼吸 v.
put… into 把……放入
go deaf 变聋
high blood pressure 高血压
Unit 2 Topic 1 Section D 随堂练习
根据句意及汉语提示写出正确的单词
Now few families in the city use _______（煤块）to cook.
【答案】coal
【解析】coal n. 煤，煤块
Our government plans to ______（创造）more jobs for young people.
【答案】create
【解析】create v. 创造.
He got up from the ground with _______（血）on his face.
【答案】blood
【解析】blood n. 血.
There are many people in the room, （包括）Jim and Lucy.
【答案】including
【解析】including prep.包括.
二.单项选择
1. Mr. Zhang looks very weak because he lost a lot of _________ in the accident
A. space B. water C. blood D. money
【答案】C
【解析】根据句意可知：他看起来很虚弱，是因为他在事故中失血过多。 blood n. 鲜血
2. —There are cars on the road these days.
—Yes, and there's pollution！
too much; too many B.too many； too much C.too much; too much D.much too; much too
【答案】B
【解析】too many +可数名词复数， too much +不可数名词
3. The noise pollution is too serious, and lots of workers in this factory _______ deaf so far.
A. go B. went C. have gone D. going
【答案】C
【解析】go deaf 变聋;so far 到目前为止，与现在完成时连用.
4. It _______ that the bad weather will stay for three days.
A. is reported B. reported C. reports D. reporting
【答案】A
【解析】 it’s reported 据报道
5. --- I hear that noise pollution can cause people to lose _______, Is that true
--- Of course, quite a few people living near airports have _______
hearing loss, their hearing B. their hearing, hearing loss
their hearings, hearing losses C. their hearings, hearing loss
【答案】C
【解析】lose one’s hearing= have hearing loss
三．根据句意填入合适的短语.
1. 噪音污染也可能引起高血压。
Noise pollution can cause as well.
【答案】high blood pressure
【解析】high blood pressure 高血压.
2. 大多数人没有意识到自己正呼吸着被污染的空气。
Most people don’t that they polluted air.
【答案】realize; are breathing
【解析】realize v. 意识到；breathe v.呼吸；be+doing sth表正在做某事.
3. 我们需要发展本地工业。
We need to the local .
【答案】develop; industry
【解析】develop v. 发展； industry n.工业.
4. 随着工业的发展，环境污染成为一大社会问题。
, environmental pollution becomes a big social problem.
【答案】With the development of industry
【解析】with the development of sth 随着......的发展.
5. 燃烧煤和汽油污染大气，也有害于我们的健康。
Burning coal and oil pollutes the air, and it our health .
【答案】is harmful to; as well
【解析】be harmful to sth 对......有害；as well 也.
四．从方框内选择恰当的单词完成下面的短文。
Air is all around us. It is around us when we walk and play. From the time we were born, air is around us on each side. We live in the air every day. However, with the 1. of modern society, air pollution has become one of the most serious problems in the world today. People make the air dirty with gas and smoke 2. by machines. Badly
polluted air can cause sickness and even 3. . Everyone wants to stop pollution, but its a difficult problem to solve.
Most of the pollution is caused by things that people need. Automobiles （汽车）and planes cause pollution, but they also provide people with transportation. Factories cause air pollution, too, but they also provide people with jobs and products. In crowded cities, 4. of automobiles and factories can add tons of pollution to the air every day.
Nobody likes air pollution. It makes clear and fresh air look 5. and smell bad. It is 6. to Everyone’s health. Air pollution damages the plants that provide us with food. Most materials are used up more quickly in polluted air than they do in clean air. Polluted air can even damage strong materials like steel and concrete （混凝土）.
If we want to stop pollution immediately, we would have to stop 7. many of the machines that make life 8. for us. Pollution can be stopped 9. . Scientists and engineers can develop automobiles that produce 10. pollution.
1.【答案】development
【解析】with the development of sth 随着......的发展.
2.【答案】produced
【解析】gas and smoke produced by machines. 由机器产生的气，烟，过去分词表被动.
3.【答案】death
【解析】句意：污染严重的空气能引起疾病甚至死亡；death n.死亡；die v.死亡.
4.【答案】thousands of
【解析】thousands of 成千上万的.
5.【答案】cloudy
【解析】句意：空气污染能使晴朗新鲜的空气看起来雾蒙蒙的，闻起来臭的；cloudy adj.有、多雾的。
6.【答案】harmful
【解析】be harmful to sth 对......有害的.
7.【答案】using
【解析】stop doing sth 停止做某事.
8.【答案】easier
【解析】make sth easier 使某事更容易.
9.【答案】slowly
【解析】句意：污染能被慢慢停止。副词修饰动词。
10.【答案】less
【解析】句意: 科学家和工程师能研发污染更少的汽车.
