Unit 7 Know Our WorldLesson 38 The World Is aBig Place课件(共14张PPT)

(共14张PPT)
Unit 7 Know Our World
Lesson 38 The World Is a
Big Place
What do you know about the place where you live
How many continents are there in the world What are they
Lead in
Task-based Reading
1. What is the problem the earth faces
2. People can live on the seven continents. ( ) (判断正误)
The population is increasing very quickly.
F
3. How much of the world is covered with land
4. What is largest part of the ocean
5. It must be treated well for our chidren and for our children's children, too. ( Translate)
One third .
The Pacific Ocean.
为了我们的子孙后代我们一定要善待地球.
in total, on the earth, in the future,
be covered with, be treated well
Once the world ______________ green plants and the living things led a peaceful life____________. However,
was covered with
on the earth
Fill in the blanks.
later some animals__________________ and was even killed for money. There are not many_________. Luckily, people are trying to save the animals in danger now. We all hope that all the living things will live a pleasant life as before _____________.
were not treated well
in total
in the future
1. It's said that____ of the water around the world____ polluted.
A. two third, has B.two thirds, have
C. two third, are D. two thirds, is
Practice
2. The fire last night destroyed many buildings. ____, no one was killed.
A. Actually B. Simply
C. Luckily D. Immediately
3.Air must ____ fresh all the time. It's good for our health.
A. keep B. is keot
C. be kept D. keep
Task 1 Make a dialogue about the seven
continents( names, features, climate...)
Task 2 Make a personal report to descibe
the situation of the earth.
Tasks
1. Share with your partner about what you feel after learning.
2. Finish the exercise.
3. Dscribe one planet you are interested in in your exercise book.
Homework
Thank you!