(共48张PPT)
Unit 7
Section A
Period 2 (3a-3c)
achievement n.
southwestern adj.
thick adj.
include v.
freezing adj.
condition n.
成就；成绩
西南的；西南方向的
厚的；浓的
包括；包含
极冷的；冰冻的
条件；状况
take in
succeed v.
challenge v. & n.
in the face of
achieve v.
force n.
nature n.
even though (= even if)
吸入；吞入（体内）
实现目标；成功
挑战；考研
面对（问题、困难等）
达到；完成；成功
力；力量
自然界；大自然
即使，虽然
One of the world’s most dangerous
sports is mountain climbing, …
“one of + the + 形容词的最高级 + 复数名词”，意为“最……之一”。如：
Miss Wang is one of the most popular teachers in our school.
王老师是我们学校最受欢迎的老师之一。
最可爱的孩子之一
______________________________
最美丽的国家之一
______________________________
Shanghai is ____________________________
(中国最大的城市之一).
one of the most lovely children
one of the biggest cities in China
one of the most beautiful countries
1). Sydney is one of ______ cities in the world.
A. beautiful B. more beautiful
C. most beautiful D. the most beautiful
2). China is one of ______ in the world.
A. the oldest country
B. the oldest countries
C. much older country
D. much older countries
D
B
3). We have a lovely room. It’s one of ____
in the hotel. A. nice B. nicer
C. nicest D. the nicest
4). China is one of _____ countries in the
world. A. larger B. largest C. the largest
D
C
（2020·北京）
Zhaozhou Bridge is one of _____ stone
bridges in the world.
old B. older
C. oldest D. the oldest
D
【解析】考查形容词的比较级。句意：赵州桥是世界上最古老的石桥之一。one of
+ the +形容词最高级+名词复数是固定句式，
意为“最……的……之一”。故选D。
（2018·山东滨州）
—Have you seen the movie Wolf Warriors II
—Yes. This is _____ educational film and it has become one of _____ most popular films in the world.
A. a; / B. a; the C. an; the D. /; the
C
【解析】第一个空考查不定冠词，根据名词educational film可知其前应用an； 第二个空考查词组one of the形容词最高级名词复数，故答案为C。
—Do you know Shanghai is one of ______ in the world
—Yes, it’s bigger than ______ city in China.
A. the biggest city; any
B. the biggest cities; any
C. the biggest cities; any other
【解析】考查词组one of the形容词最高级 名词复数，即one of the biggest cities最大的城市之一，根据than这里要用比较级，当比较对象属于比较范围之内，要用any other 可数名词单数，故选C。
C
The rich were one of __________ the four main classes in the Aztec society.
A. the most powerful
B. the more powerful
C. more powerful
D. powerful
【解析】根据语境one of the four main classes （四大阶层之一），可知其前应用形容词的最高级，只有A（是形容词最高级的正确表达形式，故答案为A。
A
2. It is … meters high (long, wide…).
它……米高（长,宽……) 。
英语表示“有多长（宽，高……）”时，一般将数词和数量单位放在表示长、宽、高的形容词前。
The maintain is more than three thousand meters high.
这座山高三千多米。
It is only 380,000 kilometers away.
它离我们只有三十八万公里。
The Green Great Wall is 7,000 kilometers long.
这座绿色长城长7,000公里。
3. Thick clouds cover the top …
thick adj.
1). 浓的，浓厚的；粘稠的；混浊的
It is dangerous to drive in a thick fog.
在浓雾天驾车很危险。
2). 厚的；粗的
How thick is the board
这块木板有多厚
The ice in the lake is about one meter ______.
It’s strong enough to skate on. A. long B. high
C. thick D. wide
I need a t__________(厚的) jacket, and some
warm gloves and socks.
hick
C
4. Even more serious difficulties include
freezing weather conditions and heavy storms.
difficulty n. 困难，难题，难事
Our difficulties are many. To begin with, we can’t get the workers.
我们有许多困难，首要的是我们招不来工人。
He’s having financial difficulties.
他正手头拮据。
difficulty表示具体的难处、难事、麻烦时，是可数名词 。引申还可作“困境(尤指经济上的拮据)”解，这时常用复数形式。
difficulty n. 困难，艰难，幸苦
When you are in difficulty, you may ask for her help.
你有困难时，可以找她帮忙。
I found the place with difficulty.
我费了好大劲才找到那个地方。
当difficulty表示抽象的困难时，是不可数名词，既不能与不定冠词连用，也不能用于复数形式
have difficulty (in) doing sth.
做某事有/存在困难
I have difficulty learning English.
我学英语很吃力。
She had no difficulty making herself understood.
她毫不费力地表达了自己的意思。
One of the difficulties we have _______ English is how to remember new words and expressions.
A. to learn B. in learning
C. learn D. learned
【解析】固定用法。have difficulty (in) doing sth.做某事有困难，句意“我们学习英语的一个困难是怎样记住新的单词和表达” 。
— I have great _____ in finishing the work by myself. Could you help me
— No problem.
A. fun B. success C. advice D. difficulty
用括号内所给单词的正确形式填空
Trust him! He has no difficulty _________ (work) out the problem.
working
D
have fun (in) doing sth.
很高兴做某事
have luck (in) doing sth.
做某事时有运气(走运)
have trouble / problem (in) doing
做事有麻烦
have a hard time (in) doing sth.
做某事很辛苦
知识链接
My deskmate has some trouble ______ spelling some of the words in American English.
I have great difficulty _____ the suitable food on the menu in that restaurant.
A. find B. found
C. to find D. finding
in
freezing adj. 冻结的；冰冻的；极冷的
It’s freezing outside now.
现在外面冷极了。
It’s very cold today, and the temperature has dropped to freezing point.
今天很冷，温度降到了冰点。
freeze v. 冻结；冷冻；僵硬；凝固
Water freezes at the temperature of 0 degree Celsius.
水在零摄氏度结冰。
We ate some of the fruits and froze the rest.
我们吃了一些水果，把剩下的冷藏起来。
知识拓展
frozen既是freeze的过去分词形式，也可用作形容词，表示“冷冻的”。
These frozen foods are the most convenient of all.
这些冷冻食品是最方便的。
[应用]英译汉
① above / over freezing
零度以上
② freezing weather
很冷的天气
③ be frozen to death
被冻死
④ give sb. a freezing cold
冷冷地看某人一眼
⑤ freezing machine
制冷机
⑥ frozen meat
冻肉
⑦ I’m frozen, so I can’t write.
我冻坏了，不能写东西了。
⑧ I’m freezing, so I’ve to put on a heavy coat.
我觉得冷极了，我得穿件厚大衣。
5. It is also very hard to take in air as you get near the top.
It is + adj. (＋for sb.／sth.) + to do sth.句型中， it作形式主语放在句首，而把真正的主语动词不定式放在句尾。常用于此句型的形容词有：important, difficult, dangerous, necessary, useful, possible等，用来对to do sth. 进行说明。
此句型可以转换成To do sth. is + adj.。
It is important to study English well.
学好英语很重要。
It was very hard for them to walk such a long way in the snow．
对于他们来说，在雪地里行走这么远是很困难的。
It is necessary to change your job．
你换工作是有必要的。
1). 多吃蔬菜水果对健康有好处。 ____________ your health to eat more vegetables and fruit.
【答案】It’s good for / It will do good to
2). 人们很难得禽流感。
____________ to get bird flu.
【答案】 It’s very hard for people
3). _____ is important for us to keep the balance of nature.
A. This B. That C. There D. It
D
_______ is important to help others.
A. It B. That C. This D. We
Is ______ possible to fly to the moon in a spaceship
now B. man C. that D. it
对我们来说学好英语是非常重要的。(It is … for sb. to do …)
_________________________________
________________________________
It is very important for us to learn English well.
take in 吸入；吞入（体内）
On weekends the Smiths usually drive to the
countryside and take in the fresh air there.
周末，史密斯一家常驱车到农村去吸收那里的新鲜空气。
take in 理解
She read a few poems, but did not take them in.
她读了几首诗，但没有理解。
6. The spirit of these climbers shows us that we should never give up trying to achieve our dreams.
give up 放弃；抛弃；戒除
It is a pity to give up the job.
要放弃这份工作，真是遗憾。
You ought to give up smoking; I gave it up last year.
你应该戒烟，我去年就戒掉了。
My uncle wants to give up drinking wine.
我叔叔想戒酒。
Although English isn’t easy to learn, I won’t give it up.
虽然英语不易学，但我不会放弃。
温馨提示：代词做宾语必须放在give 和up两者之间
（2020·云南）
Don’t _______ our hopes. As long as we
pull together, we’ll make it.
give up
B. give out
C. give back
D. give away
A
（2018·黄冈）
— I find it difficult to learn English well. I want to drop it.
— English is very important in our daily life. Never ________.
A. give up it B. give it up
C. give away it D. give it away
B
翻译填空
It was a difficult time for them，but they didn’t __________（放弃）their hope．
【解析】根据题干，可知句意为：对他们来说这是一个困难的时期，但他们没有放弃自己的希望。Didn’t+动词原形；give up，放弃，动词短语。故填：give up。
give up
— It’s too hard for me to be a trailwalker.
— Never ________. Believe in yourself!
A. put up B. give up
C. hurry up D. look up
【答案】 B
It was a difficult time for the quake-hit victims in Ya’an, but they didn’t _______ hope.
A. give up B. give off
C. give in D. give out
医生告诉他戒酒。
The doctor told him to _______ drinking.
give up
give back 归还，送回
give in to 屈服于某人/某事
give out 分发，散发，用光，耗尽
give away 泄密
give off 发出（光，烟，气）
give over 停止，放弃
give way to 让路，让步
知识链接
1). In those days, he used to give _____
a part of his income to help his friend.
2). Both sides argued with reason, and
neither would give _____.
3). If they are burned, they give _____
poisonous gases.
away
in
off
Exercise
4). Both the man and the horse gave _____
after the long ride.
5). All hope of finding the missing aircraft
was given _____ and the search stopped.
6). Mary had to give _____ her job after her marriage.
out
up
up
achieve v. 达到；完成；成功
Work hard, and you will achieve your goal.
好好干，你就会达到自己的目标。
We have achieved what we set out to do.
我们完成了想要做的事情。
I haven’t achieved very much today.
我今天没做成多少事。
achievement n. 成就; 成绩; 完成; 达到
— Do you know about the scientist Tu Youyou
— Yes, she won the 2015 Nobel Prize in medicine because of her great _____.
A. surprise B. achievement
C. education D. satisfaction
【解析】surprise惊讶；achievement成就；education教育；satisfaction满意；赢得诺贝尔奖的人一定是有巨大成就的。故选B。
B
Dreams are beautiful. However, to _____ them needs lots of time and work.
A. discover B. find
C. achieve D. stop
C
5. Why do so many people try to climb this mountain even though it is dangerous
even though 用作从属连词，意为“即使；尽管”，相当于even if，引导让步状语从句，一般不与并列连词but连用。如：
Mr. Wang will come on time even though it rains.
尽管下雨，但王老师会按时来。
