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选修⑥
Unit 5
单元主题语篇训练
I.阅读理解
:3.The underlined sentence shows that,anyway.
A
sandstorms are
A sandstorm refers to a high amount of wind
A.useful
B.useless
occurring in sandy areas,usually in deserts,where
C.harmful
D.powerful
the wind speed is able to lift the top layer of sand 4.According to the writer,a sandstorm
from the ground,and push it in every direction.The:
A.is the result of human activities
sand involved in the sandstorm can reach heights of:
B.can be prevented
about3.05m-15.24m.
C.can't completely disappear on the earth
It is very dangerous to experience a sandstorm.
D.can't be forecast
Sand can get into the nose,eyes,mouth and lungs.
B
If you happen to be caught in a sandstorm,you must
Recycling Electronic Waste
protect yourself by wearing masks,scarves and
When Alex Lin was 11 years old,he read an
s00n.
alarming article in the newspaper which said that
If you're driving when such a storm approaches,people were burying old computers in backyards.
it's advised that you pull off the road,since it's
throwing TVs into streams,and dumping(丢弃)
difficult to continue driving.This is also importantcell phones in the garbage.This was dangerous
since vehicles can fail in during sandstorms and you
because e-waste contains harmful chemicals that can
could end up stuck on the road.
leak into the environment.getting into crops.
Most sandstorms occur in spring,and during
animals,water supplies-and people.
the daytime.Many of the areas around the Persian
Alex was really worried and decided to make it
Gulf and the Sahara Desert are associated with the
next project for WIN-the Westerly Innovations
Network.Alex and six of his friends had formed this
most serious storms.Since it's a natural
organization to help solve community problems two
phenomenon,it can't be entirely controlled.In areas
years before.
that are natural desert regions,you can't always
But what could they do about this project with
prevent a sandstorm.There's much evidence that
e-waste?The team s