2021學(xué)年Unit 4 Natural disasters教案配套課件ppt

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Knwledge bjectives: T knw smething abut the ice strm and the typhn.Skill bjectives: T learn sme reading skills.Emtinal bjectives: T learn t prtect the envirnment t decrease natural disasters.
Watch the vide and talk abut it.
D yu knw what a strm is? What is a strm like?A strm refers t very bad weather with strng winds and rain, and ften thunder and lightning.What may happen in a strm?The temperature may be very lw and peple will suffer a lt f lss.
What may an ice strm cause?
Brainstrming
There may be n electricity in peple’s hmes.The rads may be cvered with ice.Crps may freeze t death and farmers may lse their businesses.…
Pre-reading
Listen and answer.
1. Which cuntry had an ice strm disaster? A. Australia B. the UK C. Canada D. the USA2. Hw many days did the ice strm last (持續(xù))? A. three B. fur C. five D. six3. The ice strm caused many prblem except fr ________. A. Peple fund that they had n electricity in their hme B. Many peple lst their lives in the ice strm. C. Many pwer lines fell dwn D. The rads were t dangerus t walk r drive.
Read and answer the questins belw.
1.What did the peple f Mntreal find when they wke up n the mrning f 5th January 1998?2. Why was the strm in 1998 unusual in Canada?
They fund they had n electricity in their hmes.
Because it was nt rdinary rain—it turned t ice as it fell thrugh the cld air. It rained fr six days and as much as ten centimetres f ice cllected n rads, trees and pwer lines.
While-reading
3. What prblems did the ice strm cause?4. Did the truble end when the ice strm stpped? Why r why nt?
It caused many pwer lines t fall dwn and many peple had n electricity. It als made the rads dangerus t walk r drive n. In additin, many hmes were damaged and many peple lst their businesses.
N. Because the huge amunt f ice made the whle area very dangerus. As the ice started t melt, it fell frm the rfs f buildings and trees like knives. Mst f the pwer lines were s badly damaged that they culd nt be repaired.
Fill in the table belw and make a brief reprt abut the ice strm.
An ice strm.
In Mntreal, Canada.
In January, 1998.
had n electricity in their hmes
were cvered in ice
had t stay inside and burn wd t keep warm
kept falling
became even mre dangerus
had n fd t eat
made the whle area very dangerus
it fell frm the rfs f buildings and trees like knives
started t melt
were s badly damaged that they culd nt be repaired
had n electricity fr a whle mnth
lst their businesses
were damaged
Retell the text.
The ice strm
Where did it happen?
When did it happen?
What bad effects did it have after it stpped?
What prblems did it cause?
electricity
Pst-reading
What d yu think f the natural disaster? What shuld peple d befre the disaster happens? During the disaster? And after the disaster? Discuss and fill in the blanks.
Typhn Wipha
Typhn Matsa
Typhn Damrey
Hw d typhns get their names?
1. Hw did cuntries name typhns in the ld days? 2. When did peple agree n ne system fr naming typhns?3. Hw many cuntries and regins ffered the typhns’ names?4. Where d the names always cme frm? 5. Hw many names fr typhns are there? 6. When the names are used up, what will happen?
Answer the questins belw accrding t the passage in Culture crner.
Different cuntries gave the same typhn different names.
The names f men, wmen, flwers, animals, trees r fd items.
The same names will be used ver again.
What shuld we d if there is a typhn?
stay insidekeep the drs and windws shutprepare a survival kit…
Language pints
Families had t stay inside and burn wd t keep warm. Hwever, the ice kept falling. keep+形 keep ding 保持做…如：Please keep quiet. The child kept asking me questins.
turn t + n.wake upbe cvered inexpect sb./ sth. t dkeep warmat any timefall dwneven mre dangeruscause sb./sth. t dbe ver
變成醒來覆蓋著期待某人做保暖在任何時(shí)候倒塌，跌倒更加危險(xiǎn)使某人做結(jié)束