高中英语外研版必修3Module 4 Sandstorms in Asia授课课件ppt

这是一份高中英语外研版必修3Module 4 Sandstorms in Asia授课课件ppt，共20页。PPT课件主要包含了Discussion，Summary等内容，欢迎下载使用。

Step1 Lead-in
Please lk at these pictures.Hw beautiful they are！
Sandstrm1.range sky2. strng dust5.slwly
Step 2 Pre-reading wrds & phrases
Match each wrd with its definitin
1. frightening n.面具；面罩2. mask n.战役；活动3. mass n.进程；过程4. campaign adj.大量的 5. prcess adj.可怕的；吓人的
6. citizen n.沙尘；灰尘7. dust vi.骑自行车8. frecast vt.预报；预告9. strength n.公民；市民10. cycle n.力量；力气
Step 3 Reading
Part1 Fast-readingMatch the paragraphs with their main ideas. Para.1 A. Sandstrms in Asia.Para.2 B. Sandstrms smetimes affect Beijing.Para.3 C. The gvernment plants trees t prevent sandstrms.Para.4 D. Sandstrms have been a majr disaster fr centuries.Para.5 E. Sandstrms d a lt f damage t peple.Para.6 F. Sandstrms in China appear t have increased as a result f desertificatin.
PART 2 Detailed reading
Read the passage carefully and chse the best answers
1. What is the best descriptin abut a sandstrm accrding t the passage?А. It is a majr disaster fr many Asian cuntries fr centuries.B. It’s a strng wind carrying sand.C. It is а way t cause land t becme desert.D. It's a kind f natural disaster that can't be treated.
2. What is the main reasn fr the increase f sandstrm in China recently?A. T be clse t many deserts.B. The wrsening f the weather in China. Ç. The result f desertificatin.D. Peple cutting dwn trees and digging up grass.
3. What is the gd suggestin when peple meet sandstrm?A. Nt ging ut.B. If yu g ut , just wear thick clthes.C. When ging ut, wear a maskD. Never g ut , just stay at hme.
4. What is the best way t avid the effects frm the sandstrm?A. Living far away frm deserts.B. Staying at hme when a sandstrm happens.C. Wearing a mask if yu want t g ut.D. Planting mre trees.
Part 3 Pst-reading
After reading the passage，please fill in the fllwing blanks. Sandstrms ________ (be)a majr disaster fr many Asian cuntries fr centuries . They are ften s thick ______ yu cannt see the sun, and the wind is smetimes strng enugh t mve sand dunes. Ren Jianb, described a terrible sandstrm he ____________(experience) as a child in the desert. He said “It was a terrible experience, and there is nthing _________(d). It was the mst _____________(frighten) and the mst dangerus situatin I've ever been____________.”
experienced
frightening
Sandstrms smetimes affect Beijing. It smetimes cntinues all day and traffic mves very slwly because the thick dust makes ________difficult t see. ________a sandstrms arrives in the city, weather experts advise peple _______g ut. T prevent it cming ________(near), the gvernment is planting trees.
What measures shuld we take t prevent sandstrms cming?
Step 4 Summary& Hmewrk
1. We shuld plant mre trees and grw mre grass.2. Cntrl air and water pllutin.3. Build green fences alng the desert.4. Frecast sandstrm's real time t prevent disaster.5. Establish sandstrm data bank and cllect infrmatin abut sandstrms.6. All cuntries shuld jin hands t make a plan in sandstrms cntrl and preventin.