冀教版八年级英语下单元知识点讲解及归纳（unit3+unit4）

13课
be scared /afraid of (doing )sth =be scared /afraid to do sth
Don’t be afraid of me .
2. a kind of ......→many different kinds of ……
3.go to open /close the door
4.go on a vacation
5.go to the zoo
6.come in
7.all the way to your house
8.be glad to do sth
9.sth happen to sb /sth
Sb happen to do sth
10.sit down → stand up
11.a tiny tiger
12.jump off the sofa
13.ask sb (not)to do sth eg:ask me to take care of Zoe.
14.gentle and quiet friendly and loyal
15.sometimes =at times
16.look like
14课
amazing animals
remind sb of sth
remind sb to do sth
on the sand
What a cute animal!
as +adj /adv + as …
lay eggs
make the sound
a national animal of the country
be famous for /as /to
a bird with its large wings
jump out of the water
flap its wings
up to
70 times a second
all over the world
fly out of the water
avoid enemies
be caught by
15课
at a quarter to eleven
arrive at /in
go through the entrance
see a sign
point to /at
take photos /pictures
wake up
feed …to…
eat bamboo
instead of (doing)sth
be good /bad for
be good at
go extinct
stop …from doing sth
16课
know about
play a trick on sb
play a joke on sb
walk over to sb
hear of /about
come to our neighbourhood
on Saturday
give sb sth =give sth to sb
I don’t have any donuts today .
There be sth /sb doing sth. Eg: There ‘s a fierce bear coming .
protect …from /aginst …
wait a minute
You’re joking , aren’t you
Happy April Fools’ Day
17课
1. a group of volunteers
2. save the tigers of the world
3.at the beginning of the 20th century
4.the number of …+单三谓语
A number of …+ 复数谓语
5．drop to
6.Tigers live in the ( http: / / www.21cnjy.com ) forest of Asia.they usually have orange fur and dark stripes ,they are symbols of strength and courage . in many stories ,they are also brave.
7.at the top of the food chain
8.in balance
9.in recent years
10.tigers have been in danger of disappearing .
11.some people hunt and kill tigers for money.
12.cut down
13.as well=too (也，放句首)
14.as forest disappear ,tigers lose their homes.
15.The number of tige ( http: / / www.21cnjy.com )rs in the wild is quickly decreasing and we must do something about it.
18课
between …and ..(两者间) among （三者间）
some interesting animals
an egret sits on rhino’s back
help each other
help sb do sth
stay healthy by cleaning its skin
warn sb about sth warn the rhino about coming danger
warn sb (not) to do sth warn us not to play with fire.
make noise to get food easily
What a beautiful relationship they have !
get together
a very sad story a very happy ending
in a big storm
a 130-year –old tortoise
a true story of friendship
touch one’s heart touch many people’s hearts
Good friends can show they care without words.
Friendship truly has no boundaries.
19课
sb use sth to do sth
sb used to do sth
sb be /get used to doing sth
sth be used to do sth
learn about
no keyboard or mouse
like chatting with sb online
follow my blog
plan to do sth plan to organize a club
send an invitation online
send my research to him by e-mail send sth to sb =send sb sth
send sb to do sth
send for sb 派人去请某人
send off sb 给……送行
do some research for sth
collect information about the coffee industry
work hard =study hard
complete /finish (doing)sth
grow in more than (over ) 70 countries
if 引导的条件状语从句，译为“如果”遵循主将从先原则。若主句是含有be动词、情态动词或祈使句要除外。
the whole day
bedtime story 睡前故事
a seach hompage搜索主页
20课
get a new laptap
ask us to write a report about Easter
decide to do sth
enter /type …into…
a search engine
an important festival in Western culture
one of the biggest holiday
in many countries
on the same day
depend on
celebrate Easter with their family
in this way
on Easter Day
Rabbits and eggs are symbols of new life
over time 随着时间的推移
collect coloured eggs
go hunting for Easter eggs
Easter Bunny 复活节兔子
21课
the history of books
in ancient times
pass on their knowledge by telling stories
write down
by hand
a modern printing press
change the world
modern technology
It was also possible for common people to read books.
a new kind of book –the electronic book (e-book)
change people’s reading habits
faster and farther
no matter what =whatever
an e-reader
keep on doing sth
four great inventions ( http: / / www.21cnjy.com ) →paper ,compass(指南针),printing press and gunpowder
22课
grow up with sb
grow into
have a terrible type of cancer
have a dream of traveling around the world
realize =come true
the next day
go online
after a few days
all over the world
sent their blessing and warm wishes
be surprised /amazed at (doing) sth
visit the Pyramids in Egypt
stand by the Statue of Liberty in New York
in a third picture
at the Sydney Opera House in Australia
in front of …(外部) in front of Big Ben in England
in the front of…（内部）
give your warm-hearted blessings to her
23课
be worried about =worry about
make your life easier. simpler and more colourful
be able to /can do sth
connect and share information
in seconds
The Internet has advantages and disadvantages .
in many ways
get / have sth done
stay /keep in touch with sb
Every coin has two sides .
take care
too much + 不可数名词
much too+ 形容词
too many + 可数名词复数
13．be harmful to = be bad for
14.aside from
15.attack the web
16.steal others ’personal information and banking information
17.a useful tool
18.take up
19.use the Internet properly and carefully
20.How far
21.the South Pole
22.far away
24课
prefer (doing)sth
Prefer A to B
Prefer to do sth rather than do sth
do so many great things
how to use a chat program
how to download e-books online
how to find my way around the city
set up a time
make a phone call