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八年级下
U1
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知识点复习教案
Words and expressions.
Ⅰ
.
Words.
1. fighter
斗士;战士
e.g. She won't
give up easily; she's a real fighter.
她不会轻易放弃的,她是一个真正的斗土。
Doctors and nurses are
disease fighters. They always fight against all
kinds of diseases.
医生和护土是与疾病斗争的战土。他们总是和各种疾病作斗争。
When the police came, the
fighters ran away.
警察到来时,斗殴的人溜走了。
【知识拓展】
fight
n.
打架,战斗,斗志
e. g. The two boys had a fight.
两个男孩打了一架。
fight
v. (fought; fought)
< br>(常与
against
,
wit
h
连用)打仗;战斗
e. g.
People often have to fight with the enemy.
人们往往不得不抗击敌人。
2. suppose
v.
推想,假设
e.g.
Scientists supposed that large dinosaurs lived in
swamps.
科学家们猜想大型恐龙栖居于沼泽地中。
Suppose your father saw you
now, what would you say?
假设你父亲现在看到了你,你该怎么说?
3. pure
adj.
纯的,纯粹的,纯净的
e.g. The water in mountain rivers is
usually pure.
流经山间的河水通常是纯净的。
She speaks pure French.
她讲一口纯正的法语。
4. natural
adj.
自然的,自然界的
e.g. It is natural for a cat to catch
mice.
猫捉老鼠是本能。
Fire is one of the natural elements in
nature.
火是自然界中的自然元素之一。
【知识拓展】
nature
n.
自然,自然界,大自然
e.g.
This phenomenon is unique in nature.
这种现象在整个自然界是罕见的。
5. gas
n.
气体
e.g. There are several kinds of gas in
the air, with nitrogen amounting to the most part.
空气中有好几种气体,氮所占的比重最大。
6. release
v.
释放,解放
e. g. I
released the horse and it ran away.
我放了这匹马,让它跑了。
Four prisoners were
released.
四名犯人被释放了。
【知识拓展】
release
n.
释放;解脱
e.g. She can expect an early release
from prison.
她有望早一点儿出狱。
7. chemical
n.
化学物质,药品
e.g. The
farmers use chemicals to kill the insects in the
fields.
农民用化学药品来杀死地里的害虫。
【知识拓展】
chemical
adj.
化学的
chemistry
n.
化学
chemist
n.
化学家,药剂师
8. nasty
adj.
令人厌恶的,令人不悦的
e.g. There's a nasty smell coming from
that sewer.
下水道里发出一股很恶心的味道。
1
Don't be so nasty!
不要发脾气啦!
9. communicate
v.
沟通,通信
e.g. My net-pal and I communrcate with
each other on the Internet.
我和我的网友通过网络保持联系。
The Minister for Foreign Affairs has
already communicated on this event with the
American President.
外交部长已经跟美国总统就此事件交换过意见了。
This room communicates with
the other room.
这个房间与那个房间相通。
10. hardly
adv.
刚刚,几乎不
e.g. I could hardly understand the
theory.
我几乎不能理解这个理论。
We had hardly begun when it
began to rain.
我们刚一举步就下起雨来了。
It was so dark that I could
hardly see.
天那么黑,我几乎什么也着不见。
It hardly snows here in
winter.
这里的冬天几乎不下雪。
【知识拓展】
hard
adj.
坚固的,困难的
adv.
努力地,剧烈地
e.g. She found it hard to make up her
mind.
她发觉很难下决心。
It was raining hard last night.
昨晚雨下得很大。
11. warn
v.
警告
【常用搭配】
warn somebody about
something
警告某人某事
e.g. warn somebody not to do something
警告某人不要做某事
The government warned the people about
the coming typhoon.
政府警告人民台风将要来袭。
I must warn you not to go out. There is
a storm.
我必须警告你不要出门,外面暴风骤雨。
【知识拓展】
warning
n.
提醒;警告
e.g.
Because of her warning, I was careful.
由于她的提醒,我很小心。
单词扩展速背:
destroy
v.
破坏;毁坏
destruction
n.
毁坏;毁灭
product
n.
农产品
production
n.
产品(工业方面)
producer
n.
制片人,
制作者
produce
v.
生产
fact
n.
事实
factor
n.
因素
interested
adj.
感到有兴趣的
interesting
adj.
令人产生兴趣的
interest
n.
兴趣,
爱好
pure
adj.
纯净的
purely
adv.
纯净地
nature
n.
自然
natural
adj.
自然的
unnatural
adj.
不自然的
naturally
adv.
自然地
burn
n.
/ v.
燃烧、烧伤
burning
adj.
(
中用于名词前)
燃烧着的,
fighter
n.
战士
fight
v. /n.
战斗,打架
noise
n.
喧闹声,
嘈杂声,噪声
noisy
adj.
吵闹的;
喧闹的;
嘈杂的
noisily
adv.
吵闹地
breathe
v.
呼吸
breath
n.
呼吸
Scientist
n.
科学家
Science
n.
科学
Scientific
adj.
科学的
warn
v.
警告
warning
n.
警告,告诫
chemical
adj.
化学的
chemicals
n.
学物质(复)
chemistry
n.
化学(学科)
chemist
n.
化学家
replace
v.
放回原处,
更换,
替换
replacement
n.
更换,
解题的人或物
2
雄心勃勃的,
迫在眉睫的
live
v.
/ a.
居住、现场的
living
adj.
活着的
alive
adj.
活的
lively
adj.
活泼的
exchange
v. / n.
交流,
交换
change
v.
/ n.
改变,
替换
harm
n.
害处
harmful
adj.
有害的
harmless
adj.
无害的
harmlessly
adv.
无害的
hardly
adv.
几乎不
hard
adv. /adj.
努力地、艰难的,
坚硬
的
communicate
v.
交流,
沟通
thank
v.
感谢
communication
n.
交流,沟通
thankful
adj.
感谢的,
感激的
main
adj.
主要的
contain
v.
容纳
mainly
adv.
主要地
container
n.
容器
announce
v.
公告,宣布
enjoy
v.
享受
announver
n.
发言人
enjoyment
n.
享受,
快乐
announcement
n.
声明,
公告
enjoyable
adj.
令人愉快的
windsurf
v.
冲浪
leader
n.
领导者
windsurfing
n.
冲浪运动
lead
v.
领导
in the end
最后(可用于将来时)
join
参加(组织或个人、人群)
at
the end of
在……末(可指时间或空间)
take part in
参加(活动)
by the end
of
到……为止(用于时间)
join in
参加(活动)
on the end of
在……末端上
Ⅱ
. Daily
expressions.
日常表达
1. be interested in
对
……
感兴趣
e. g. Peter is
interested in playing football.
彼得对踢足球感兴趣。
指点迷津:
interesting
与
interested
(1) i
nteresting
形容词,意为
“
有趣的
”
。
are going to show an interesting experiment.
我们将给大家做个有趣的实验。
(2) interested
形容词,意为
< br>“
对
……
感兴趣
”
,短语
be/become interested
in
。
e.g. They
have become interested in science.
他们对自然科学感兴趣。
Are you interested in
history?
你对历史感兴趣吗?
2. living
things
生物
指点迷津
: alive
与
living
通常情况下,
alive
做表语
(be
alive)
,而
living
一般放在名词前做定语用。
e.g.
That great man is still alive.
那个伟人依然活着。
all living things
一切生物
Latin is not a living language.
拉丁语不是现代用语。
3.
on the end of…
在
……
的末端
e.g. Have you ever noticed the rubber
on the end of a pencil?
你有注意过铅笔末端的那个橡皮头吗?
4. of
course
当然
e. g.
-Will you help me
please?
请你帮助我好吗?
-Of
course!
当然可以!
3
5.
thank…for…
为
……
而感谢
…
e.g. He thanked her for the gift.
他感谢她的礼物。
The manager thanked her crew for being
so cooperative.
经理感谢她的同事们如此通力合作。
6.
take…from…
从
……
中拿出
…
e.g. When people take trees from the
forests, have they ever thought about planting
more?
当人们从森林中取走树木的时候,
他们有想过要种更多的树木吗?
7.
release…into…
将
……
释放到
……
中
e.g. Look,
that steel work is releasing black smoke into the
air.
看呀,那家钢铁厂正在向空气中排放黑烟。
8. as well
as
也,还
e.g. He as
well as his sisters, is going to Canada.
他和他的姐妹们将要去加拿大。
She is clever as well as beautiful.
她不仅聪明,而且漂亮。
Penguins can swim under the water as
well as on the top of it.
企鹅不但能在水里游,而且能在水上游。
【知识拓展】
注意区别
as well as/not only…but
also…
①
The
teacher, as well as the students, wishes for a
holiday.
(重点放在前者)
②
Not only the students but
also the teacher wishes for a holiday.
(重点放在后者)
9.
protect…by doing
sth
.
通过
……
< br>保护
…
e.g. The
parents wanted to protect their children by
locking them in the house.
这对父母希望通过将孩子反锁在家中来保护他们的安全。
10.
join…togethe
r
将
……
连在一起
e.g. The trees nearby can join their
roots together.
周围的树木可以将它们的根系交织在一起。
11. communicate with one
another
相互联系,相互沟通
e.g. Nowadays, people usually
communicate with each other through the Internet.
如今,人们常常通过因特网相互联系。
指点迷津:
one another, each other
一般来说,在表示两个人之间的相互关系时用
each
other
,表示两人以上的相互关系时用
one anoth
er
,但在实际运
用时两者皆可。
e.g. Students should help each other.
学生们应当相互帮助。
Stuttents share their ideas
freely with one another.
学生们可以自由地交换他们的想法。
12. hardly any
几乎没有
e.g. He spent nearly all
his money. He had hardly any left.
他几乎花光所有的钱。他几乎没有剩下任何东西。
13. in danger
处于危险中
e.g. He is in
danger, please inform him as soon as possible.
他处于危险之中,请尽快通知他。
The people in the burning
house are in danger.
房子着火了,里面的人正处于危险中。
14. protect sb.
by/f
rom/against
……
保护
e.g. The man
raised his arm to protect his face from the blow.
这个男人抬起胳膊挡住他的脸部免受拳击。
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