课件20张PPT。外语教学与研究出版社,英语必修三 高一年级Module 4 Book 3SandstormsABTask 1: To share your pictures and give a short description.
An example:
A car which is covered with thick dust is moving very slowly in a sandstrom.Warm upTask 2: Fill in the blanks. When farmlands change into desert, ____________ happens, which is a major cause of a ___________. The __________ of the wind is amazing, and it’s ___________ to be in a sandstorm. The sand and _____ cover the whole world. You’d better wear a ______ if you walk or ______ to work. If not, you’ll find it difficult to __________. It’s a good idea to check the weather _______before you go out.
desertificationsandstormstrenghthfrighteningdustmaskcyclesurviveforecast单词通关Reading for general idea Part one
Part two
Part three
Part four A. The influence of a sandstrom and suggestions when you are in a sandstrom.
B. The measure to prevent sandstroms.
C. The description and the causes of sandstorms.
D. The sandstorm is a major disaster in Asia.Task 3: match each part with its main idea.Reading for detailed information锦囊“妙题”ABCDETask 4: Read part 1 and part 2 and finish the four exercises in task 4.is orangeis strong and covers the city in a thick , brown-yellow dust.moves very slowly because the thick dust makes it difficult to see.advise people not to go out.you’d better wear a mask .is planting treesTask 5: Read part 3 and part 4 to fill in the form.Discussion 小组活动Task 7: Have a discussion about sandstorms and then make a panel(展板).
Group 1&2: the causes
Group 3&4: the influences
Group 5&6: the tips
Group 7&8: the measures
1. have an influence on…
2. have difficulty in
3. do harm to our throat or lung.
放牧:graze(v.)
2. Too many factries have been built.
公共交通:public transport
private cars
make laws; 3. organize activities …
raise people’s awareness of environmental protection(唤醒环保意识)相关表达I swear:
From now on, I will try my best to protect the environment!
From now on, I will do what I can to prevent the sandstrom!Task 8: Homework:
To write a short passage about sandstorms , including the causes, influences, and measures.
(about 100words).After- class activity 1). Fill in the blank.
Scientists have tried a lot of ways __ solve sandstroms which are a major disaster in Asia. The dry and strong winds are often ___ thick ______ you can’t see the sun, and it is strong _______ ____move sand dunes. Ren Jianbo described a terrible sandstrom _________ he experienced. He said that __ _____ ____ _______ ___a sandstorm was very terrible and there was nothing___ ___ __.
tosothatenoughtothat/whichto have been caught in to be done2). True or false questions.
A. Sandstorms mainly happen in Asia countires. ( )
B. Sandstroms in China have increased in recent years. ( )
C. The sandstorm center in Central Asia includes southwest China. ( )
D. Ren Jianbo was caught in a snadstorm in the city. ( )
Fin four main placesTFFnorthwestin the desert3). What does “it” refer to in the last sentence but one of the 2ed paragraph?
A. There is nothing to be done.
B. Situation
C. To have been caught in a sandstrom
D. A terrible experience
4). Which one is not the cause of
desertification?
A. climate changes
B. cutting done trees
C. digging up grass
D. strong winds
Congratulations!A present for you after class.