外研版必修3Module4學案
15.david threatened ______ his neighbour to the police if the damages were not paid.
a. to be reported b. reporting c. to report d. having reported
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period 2 speaking（introduction,pronunciation,speaking1&2）
step1 talk about the following pictures in your own words. (show them the pictures of sandstorms. )
for example:
s1: in the first picture i can see a man is riding a bike hard. the sky is yellow.
t: can you see the buildings clearly?
s1: no, they are not clear.
t: thank you, sit down please.
s2: in the second one i can find some buildings, but i cannot see them clearly. may be the city is in the sand or anything like that.
s3: in the third one i can see a very tall building only. there is much sand in the sky.
t: very good. thank you.
s4: in the next picture, i can see many people riding bikes wearing masks. the weather is very cold, because they wear gloves and more clothes.
t: how about the air? is it clean?
s4: the air is not clean. there is something like sand in the air.
t: quite right!
s5: in the fifth picture, there is a strong wind carrying sand. it looks like smoke.
s6: in the last one, there are some buildings covered with thick, yellow dust.
t: excellent job! thank you every much. now, who can tell us why there is so much sand in the sky? the wind that carry sand are called…
s7: sandstorm.
t: very good. yes, they are called sandstorm. if you want to know more about sandstorm, let’s come to module 4 sandstorms in asia.
step ii warming up
t: open your books on page 31. look at the picture in your books, what can you see in the picture?
s1: there is a strong wind carrying sand in the sky, and a car covered with sand running slowly.
t: right. now, complete the sentences using the correct form of words in the box. three minutes.
answers: sandstorm, lasts, frightening, blows, buried,
after 3 minutes, ask some students to share their answers.
t: from this short paragraph, we can see the sandstorm is frightening. have you ever experienced the sandstorm? how does it be created? before we discuss these questions, let’s look at some words on the screen.
dig, earthquake, protect, sign, the pacific ocean
(show the words on the screen, and explain the meaning to the students. divide the whole class into several groups to discuss questions in activity 2. then call back the answers)
s1: most of the sandstorms begin in desert areas. because there are no trees and grasses in the desert areas. the wind is very strong.