(共18张PPT)
language points
paragraph 1
在某些时候
at certain times
annual movement
一年一度的迁徙
寻找伴侣
seek a partner
寻找
in search of
paragraph 2
数百万的
millions of
manage to do
设法做到
paragraph 3
发现
find out
能够
be able to do
tell the time of day
区分,辨别
两则信息
two pieces of information
smart expressions
paragraph 4
……的解决方案
the solution to …
情况危机
be in serious trouble
数量下降
the population has crashed/the number is falling
破坏自然环境
destroy the natural environment
砍伐树木
cut down trees
使用化学药剂
use chemicals
paragraph 5
关于……的研究
the research on…
导致
lead to sth.
对……更好的认识
a greater awareness of
确保
make sure
以……为食物
feed on (feed-fed-fed)
smart expressions
raise sb’s awareness
be aware of
《学案知识点检测》
at certain times 在某些时候
at times ________________
at a time ________________
at one time ________________
all the time ________________
from time to time ________________
manage a new department ______
manage to do sth. __________
课堂管理classroom ___________
酒店经理a hotel __________
有时=sometimes
一次;每次
曾经;一度
一直,始终always=at all times
偶尔 occasionally
管理
设法做到
management
manager
用measure的正确形式填空。
The doctor weighed the baby and ________ the height.
The playground ________ 100 meters wide.
It’s high time that we took some effective ________ to protect the endangered animals.
4. 用determine的正确形式填空。
Tom shows great ______________ to learn English well.
I left him, ____________ never to set foot in that house again.
Age and experience will be ____________ factors in our choice of candidate.
An investigation was set up ____________ the cause of the accident.
The size of the chicken pieces ____________ the cooking time.
《学案知识点检测》
measured
measures
measures
determination
determined
determining
to determine
determines
《学案知识点检测》
5. 用destroy的正确形式填空。
The earthquake ________ almost all the buildings.
It is vital that we act to stop the __________ of the rainforests.
He was unable to contain his own __________ feelings.
6. 用cut短语填空。
We were __________ by the heavy flood and had to be rescued by boat.
The factory has to __________ its production by half, owing to lack of labor.
Teachers were talking about the result of the final exam when the principal __________.
destroyed
destruction
destructive
cut off
cut down
cut in
One of the most wonderful migrations in nature ________ that of the North American monarch butterfly.
句意:自然界最为壮观的迁徙之一就是北美洲黑脉金斑蝶的迁徙。
para. 1
is
one of +最高级+ n复+v单
that用来指代前面提到的内容(sing. / U)。
中国的人口数量比英国多。
The population of China is larger than that of the UK.
南方的橘子比北方甜。
Oranges in the South are sweeter than those in the North.
Every autumn, millions ______ these beautiful insects ______ fine black and orange wings begin a long and difficult journey.
A team of scientists ______ (lead) by Professor Eli Shlizerman at the University of Washington ________ (find) the answer.
These two pieces of information – the time of day and the point where the sun is in the sky – allow the butterfly ____________ (determine) the way ______ (go).
Fill in the blanks and analyze the sentence structures.
of
with
led
has found
to determine
to go
Its population has crashed ______ as much as 90 per cent in the last few years.
拓展: increase/decrease from A to B 从……增长/下降到……
She lost a leg in a car crash.
They cut down trees and use chemicals that kill the plants that monarch caterpillars eat.
If this works, there may come a time when the number of monarch butterflies __________ (increase) once again.
对比:A number of people __________ (kill) in the earthquake.
were killed
by
increases
para.5
The more we know about this lovely creature, the greater the chance it will survive and keep its place in the natural world for a long time to come.
句意:对这种迷人的生物了解越多,它们在自然界中得以长久生存并保持其位置的可能性就越大。
chance [C,U] 机率,概率 The chances are (that)…可能……
the +比较级……, the +比较级…… “越……越……”
知道得越多,越会体会到自己知道得越少。
The more learned a man is, the more he realizes how little he knows.
我们爬得越高,风景越是令人惊叹。
The higher we climbed, the more awe-inspiring the scenery became.
Create a story or make a conversation with theses expressions.
at certain times
annual movement
seek a partner
in search of
millions of
manage to do
find out
be able to do
the solution to …
be in serious trouble
the population has crashed/the number is falling
destroy the natural environment
cut down trees
use chemicals
the research on…
lead to sth.
a greater awareness of
make sure
feed on (feed-fed-fed)
manage
measure
destroy
cut
determine
crash
Starting out
Have you ever kept a pet
Watch the video and answer the questions. (A1, P65)
What are the most popular pets in the UK
What is the most important animal charity in the UK
What are the most popular pets in the UK
Cats and dogs.
What is the most important animal charity in the UK
Watch the video and answer the questions. (A1, P65)
The Royal Society for the Prevention of Cruelty to Animals.
英国皇家防止虐待动物协会
What are the relationships between the people and the animals (A2)
blind people and guide dog (life assistant)
pet owner and pet
owner and livestock
horseman and horse (competition companion)
livestock: animals and birds that are kept on a farm, e.g. cows, sheep, or chickens
Think and share
What is your opinion on animals as pets
How to be a responsible pet owner
B1U5 《课时学案》period 2
B1U5 Using language