选修七
Unit 3 Under the sea
1 必备知识·盘点夯基
2 核心素养·精讲层练
3 高效演练·素能提升
1 必备知识·盘点夯基
Ⅰ．单词立体巧记
witness
opposite
pause
drag
urge
relationship
aware
neat
teamwork
flee
narrow
target
target
neat
teamwork
relationship
opposite
witnessing
sharp
sharpen
sharpener
abandon
abandoned
reflect
reflection
scare
scared
scary
accommodation
accommodate
tasty
taste
tasteless
depth
deep
deeply
deepen
vivid
vividly
scary scared
sharp sharpens
sharpener
tasty taste
tastes tasteless
depth deeply
deep
reflected reflection
accommodations
accommodate
vividly vivid
联想积累：
1．以“-rrow” 结尾的词一览
①narrow adj. 狭窄的
②arrow n. 箭头
③borrow v. 借
④sorrow n. 悲伤
⑤sparrow n. 麻雀
2．含后缀-th的名词荟萃
①depth 深度
②width 宽度
③length 长度
④truth 真理
⑤growth 成长
3．“形容词和副词”同形的词
①fast adj. 快的 adv. 迅速地
②close adj. 亲密的 adv. 紧密地
③deep adj. 深的 adv. 深深地
④direct adj. 直接的 adv. 直接地
⑤easy adj. 容易的 adv. 从容地
Ⅱ．短语语境助记
ahead of
aim at
in the meantime
help (...) out
be/become aware of
upside down
(be) scared to death
hold up
be about to do
get close to
held up
Aimed at
upside down
help
out
in the meantime
are/become aware of
be scared to death
ahead of
Ⅲ．句式运用速记
It was a time when I was
addicted to playing
was about to do my homework
where we fall
2 核心素养·精讲层练
1．witness vt. 当场见到；目击 n. 目击者；证人；证据
(1)a witness to sth. 某事的证人/证明
give witness to sth. 为……作证；证明
(2)witness sth. /that… 目击……
witness for… 为……作证
witness to (doing) sth. 证实/证明(做)某事
英语中常使用拟人修辞手法的句子，主语通常是表示时间、地点或
心爱之物，如车、船等的名词，谓语动词常为witness, see, find等。
夯基—单句语法填空。
①History ______________ (witness) the endless productions of
Shakespearean plays in every major language of the world in the past few
centuries.
has witnessed
②(浙江卷书面表达)The box-office income of Chinese movies
___________ (witness)a constant increase from about 17 billion yuan in 2012
to over 40 billion in 2015．
③What the police did first was question all the ___________ (witness)
involved in the accident last week.
witnessed
witnesses
提能—句式升级。
④(2018·北京卷书面表达)We all had a really enjoyable time in the tea
house.
→The tea house _______________________________ for all of us.witnessed a really enjoyable time
urgent adj. 紧急的；迫切的
urgency n. 紧急；催促
2．urge vt. 催促；极力主张；驱策 n. 强烈的欲望；冲动
(1)urge sb. to do sth. 催促某人做某事
urge sb. into doing sth. 催促某人做某事
urge that… (should)do sth. 极力主张；强调……
It is urged that… (should)do sth. 坚决要求……
(2)feel an urge to do sth. 有强烈的欲望想做某事
夯基—单句语法填空。
①In order to improve learning efficiency，I urge that all of us
______________ (form) the habit of thinking independently and going over
lessons in time.
②I never felt an urge _________ (learn) any sign language before.
③(2018·浙江6月卷)There is no sense of _________ (urge) to do my
school work immediately.
(should) form
to learn
urgency
提能—一句多译。
父母应该积极地督促孩子利用加入体育队的机会。
④Parents should actively ___________________________________the
opportunity to join sports teams.
⑤Parents should actively urge that ______________________________
the opportunity to join sports teams．(复合句)
urge their children to take advantage of
their children should take advantage of
abandoned adj. 无约束的；被遗弃的
3．abandon vt. 遗弃；抛弃；放弃；中止；(与oneself连用)使放纵；使听
任 n. 放任；放纵
(1)abandon one’s hope/plan/idea放弃希望/计划/主意
abandon oneself to… 沉湎于……；纵情于……
abandon doing sth. 放弃做某事
(2)with abandon 放纵地；放任地
(3)be abandoned to 沉湎于……
The child was abandoned by his parents. Eventually the abandoned boy
was found wandering in the street, abandoning himself to despair.
那个孩子被他的父母遗弃了。后来有人发现那个被抛弃的孩子在大
街上游荡，他已陷入了绝望。
夯基—单句语法填空。
①As far as I know, they have abandoned __________ (carry) out the
plan for lack of money.
②Feeling frustrated, I found myself abandoning myself to _________
(play) computer games.
③(2018·全国卷Ⅲ)Wang collected more than 7 million ___________
(abandon) bricks of different ages. He asked the workers to use traditional
techniques to make the bricks into walls, roofs and corridors.
carrying
playing
abandoned
提能—单句写作。
④____________________________ my father came and encouraged
me to keep going.
我正要放弃希望，就在这时，我的爸爸过来鼓励我要继续下去。
I was about to abandon hope when
reflection n. 反射；反映；沉思；倒影；影像
(1)be reflected in… 被反映在……；被映照在……中
reflect on/upon sth. 仔细考虑/思考某事
(2)be lost in reflection陷入沉思中
a reflection of……的反映
4．reflect vt. 映射；反射；思考 vi. 思考
夯基—单句语法填空/猜测加黑词的含义。
①Usually a child’s behaviour is a ____________ (reflect) of his family
environment.
②(2019·全国卷Ⅲ完形)But that changed when a system of high-tech
mirrors was introduced to reflect sunlight from neighboring peaks(山峰) into
the valley below.
________________
reflection
从……反射阳光
提能—补全句子/句式升级。
③When she ___________________________________ (回想起她的志
愿者经历时)，Tina felt proud of what she managed to achieve together with
her local colleagues.
→____________________________________，Tina felt proud of what
she managed to achieve together with her local colleagues. (分词作状语)
reflected on her volunteer experience
Reflecting on her volunteer experience
5．help sb. out 帮助某人摆脱困境或危难
(1)help sb. with sth. /(to)do sth. 帮助某人某事/做某事
(2)can’t help doing sth. 忍不住做某事
can’t help but do sth. 只得做某事；不得不做某事
(3)help yourself(to sth. )随便自己动手(吃/用……等)
(4)with the help of sb. ＝with one’s help 在某人的帮助下
夯基—单句语法填空。
①I have been busy with my study and seldom help my parents ______
the housework.
②We think this is the opportunity for us youth to contribute to helping
the victims _____.
③I told the story to the class. As sad as it was, I couldn’t help
_________ (smile).
with
out
smiling
提能—补全句子/句式升级。
④________________________ (在老师的帮助下), I have made great
progress in my spoken English.
→________________________________ I have made great progress in
my spoken English. (强调句型)
With the help of my teacher
It is with the help of my teacher that
6．be/become aware of对……知道、明白；意识到……
(1)be aware that… 知道；体会到……
make sb. aware of… /that… 使某人注意到……；提醒某人注意……
(2)awareness n. 意识；认识
develop an awareness of… 培养……的意识
raise awareness提高认识
夯基—单句语法填空/补全句子。
①In conclusion, people around the world should be aware ____ the real
situation of water shortage.
②Not only will you help our young volunteers to develop personally,
you’ll also learn new skills and increase your cultural ___________ (aware).
③I would like to speak for pandas so that I can learn more about how to
protect them and ___________________________________________. (提高
人们保护动物的意识)
of
awareness
raise people’s awareness of animal protection
提能—单句写作。
④(2020·全国卷Ⅱ书面表达)通过参加这次采摘活动，我认识到了劳
动的意义。
__________________________________________________________
____________________________
Through participating in this picking activity，I have become aware of the
significance of work.
where… ，there be… 意为“在……地方，有……”，where引导地
点状语从句。注意where引导地点状语从句和定语从句的区别。
7．The water was quite shallow but where the reef ended，there was a
steep drop to the sandy ocean floor. 海水很浅，但是到了珊瑚礁的尽头，
就有一个陡坡，一直下降到满是沙子的海底。
(1)where引导的地点状语从句修饰主句的谓语；
(2)where引导的定语从句修饰它前面的名词；
(3)where可以引导名词性从句，在从句中作状语或表语。
夯基—单句语法填空。
①As the saying goes, _______ there is a smoke, there is a fire.
②The little girl who got lost decided to remain _______ she was and
wait for her mother.
③(2019·北京卷语法填空)What students do at college seems to matter
much more than _______ they go.
where
where
where
④(浙江6月卷写作)We are going to meet at the school gate at 7 a. m.
and cycle to the nearby mountain, _______ we can go hiking and enjoy a
picnic.
⑤(2017·江苏)Located _______ the Belt meets the Road, Jiangsu will
contribute more to the Belt and Road construction.
where
where
提能—一句多译。
(2018·全国卷Ⅲ书面表达)一个新的体育馆在一年前还是草地的地方
拔地而起。
⑥A new stadium has arisen ___________________________________
a year ago. (状语从句)
⑦A new stadium has arisen __________________________________
___________ a year ago. (定语从句).
where there was nothing but a grassland
in the place where there was nothing but a
grassland
3 高效演练·素能提升
Ⅰ．单句语法填空
1．Hardly had Sabrina finished her words when Albert said _________
(sharp), “Don’t be so mean，” pointing a finger of warning at her.
2．After the earthquake, the first thing the local government did was
provide _______________ (accommodate) for the homeless families.
3．It will be a big help if you go to the store and get what we need for
dinner. ____ the meanwhile, I’ll set the table.
sharply
accommodation
In
4．Butterflies feed ____ a sweet liquid produced by flowers, which bees
and other insects collect.
5．Their sudden attack made us more aware ____ the danger around us.
6．The girl was a witness ____ the accident and said the driver appeared
to be drunk.
7．He yelled ____ her to be careful while crossing the busy road.
on
of
to
at
8．(2019·江苏卷改编)A city is the product of the human hand and
mind, ____________ (reflect) man’s intelligence and creativity.
9．(上海卷)My panic has gone. But I could not help __________ (think)
about that silly poem.
10．As the proverb goes, where the money is，_______ is the power.
reflecting
thinking
there
Ⅱ．单句改错
1．The fruits are small in size, but juicy and taste.
______________
2．Police have appealed for witnesses for the accident.
_______________
3．A truck came in an opposite direction of the car, so the car driver
made a sharply turn.
________________
taste →tasty
第二个for →to
sharply →sharp
4．In the Spring Festival, Chinese people like to hang the character “fu”
upside to down.
______________
5．Seeing a toy snake suddenly sometimes, the little girl can be scared to
die.
____________
6．If you come to visit China, you will experience a culture of amazing
deep and variety.
_____________
去掉第二个to
die →death
deep →depth
Ⅲ．单句写作
1．有几个理由可以解释图片中反映的现象。(分词作定语)
__________________________________________________________
________________
2．船长刚要放弃那艘大船，这时大雨突然停了。(be about to do…
when… ；abandon)
__________________________________________________________
________________
There are several reasons that account for the phenomenon reflected in the
picture.
The captain was about to abandon the large ship when the heavy rain suddenly
stopped.
3．在我看来，了解你自己的弱点是成功的关键。(aware)
__________________________________________________________
______________
4．这份报告呼吁给所有的儿童教授游泳。(urge)
__________________________________________________________
As far as I’m aware，being well aware of your own weaknesses is the key to
success.
The report urged that all the children (should) be taught to swim.
5．这种渔网不仅会把鱼给网住，还会将其他的海洋动物一并抓
住，而且这些动物通常因为没人买而被扔掉。(not only… but also)
__________________________________________________________
______________________________________________________________
________________
This kind of fishing net not only catches the target fish but also many
other sea animals，which would be thrown away because they are not needed
for marketing.
Ⅳ．语篇填空
The story is about how the killers helped whalers catch huge whales. And
it was when the writer was working at the whaling station 1.______ he
witnessed it with his own eyes．
that
Old Tom, one of the killers often led George, the writer and other whalers
to the spot, 2._______ a pack of about six other killers 3._______________
(attack) a whale. While some were throwing themselves on top of the whale’s
blow-hole to stop it 4.___________ (breathe), others were stopping it fleeing
out to sea. And 5._________ (final), when the whaler killed the whale with
harpoon, they dragged the dead whale down into the 6.________ (deep) of the
sea and ate up its lips and tongue. After 24 hours, they brought it to the
surface, 7._________ (wait) for the whalers to bring in the body．
where were attacking
breathing
finally
depths
waiting
It’s 8._____________ (astonish) to know Old Tom and the other killers
never harmed or attacked people; instead, they helped and saved them when
they were 9.____trouble. For example, when James was once washed off the
boat and struggled in the water, it was Old Tom that held him up in the water
10._______ they got the boat back to James．
astonishing
in
until
Ⅴ．话题写作
用本单元词汇、句式和语法知识写满分作文
近十年来很多海洋生物灭绝了，引起全世界的广泛关注。假设你是
李华，请在环境保护日写一篇关于保护海洋的英文演讲稿。要点如下：
①海洋受到污染的现状；②保护海洋的重要性。
补充要点句(加黑体部分请利用本单元所学词汇)
①众所周知，在海洋深处有各种资源。
As we all know，there are varieties of resources ______________
________.
②过去的十年目睹了很多海洋生物的灭绝。
_________________________ that many marine creatures have died
out.
③海洋污染受到全球极大的关注。
Marine pollution _________________________ by the whole world.
at the depth of
the ocean
The past decade has witnessed
has been greatly concerned
④我们应该使人们意识到保护海洋的重要性，因为保护海洋就是保
护人类。
We must ________________________________________________，
because to protect the ocean is to protect human beings.
⑤政府应督促立即采取措施保持生态平衡。
The government should ____________________________________
________________________.
make people aware of the importance of protecting the ocean
urge immediate measures should be taken to
keep the balance of nature
⑥无论多么大的困难，我们绝不放弃保护海洋。
No matter how great the difficulty is，we will never ________________
______________.
abandon protecting
the ocean
升级平淡句
利用倒装句式升级句⑥
__________________________________________________________
_______________
No matter how great the difficulty is，never will we abandon protecting the
ocean.
衔接成美文(请利用适当的过渡衔接词汇，如：on the one hand，
on the other hand，therefore，however等)
__________________________________________________________
______________________________________________________________
______________________________________________________________
______________________________________________________________
As we all know，there are varieties of resources at the depth of the ocean.
However, the past decade has witnessed that many marine creatures have died
out. Therefore, marine pollution has been greatly concerned by the whole
world.
__________________________________________________________
______________________________________________________________
______________________________________________________________
______________________________________________________________
______________________________________________________________
On the one hand, we must make people aware of the importance of
protecting the ocean，because to protect the ocean is to protect human beings.
On the other hand, the government should urge immediate measures should
be taken to keep the balance of nature. No matter how great the difficulty is,
never will we abandon protecting the ocean.
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