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sandstorm ['s?ndst?:m]
desert ['dez?t]
human beings
Let’s learn the new words
n.沙
n. 沙尘暴
n. 沙漠
conj. 尽管,虽然
n. 人类
v. 转变成….
change into….
= though
sandstorms n.沙尘暴
Do you know how sandstorms come into being ?
v. 形成
many trees
cut down trees
forests gone
wash the earth away
change into desert
come into being
A. Trees can stop the wind from blowing
the earth away.
B. A lot of water can be saved by forests.
C. They can also stop the water from
washing the earth away.
Work in groups and try to understand
the language points on the paper.
1. While I was walking down the street just
now, I couldn't see anything.