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The earthquake of 26th December, 2004 resulted in one of the worst natural disasters in living memory. It was a(1)underwater quake and occurred in the Indian Ocean. It(2)coastlines, communities and brought death too many people.
Why do earthquakes happen?
The surface of the earth has not always looked as it does today; it is moving(3)(although very slowly) and has done so for billions of years. This is one (4) of earthquakes, when one section of the earth (tectonic plate) (5)  another. Scientists can predict where but not (6)this might happen and the area between plates is called a fault line. On one fault line in Kobe, Japan in 1923 over 200,000 people were killed. (7) , earthquakes do not always happen on fault lines, (8)is why they are so dangerous and (9) .
Where do volcanoes happen?
Volcanoes happen where the earth’s (10) is thin: lava, dust and gases(11)from beneath the earth. They can rise into a huge cone shape like a mountain and erupt, (12)they can be so violent (13) they just explode directly from the earth with no warning. There are 1,511(14)volcanoes in the world. This means that they may (15)BE DANGEROUS. In 1985 the Colombian volcano Nevado Del Ruiz erupted. The lava melted a glacier and sent tones of mud (16)the town below. Twenty thousand people died.
Natural disasters like volcanic eruptions are often unpredictable. We regularly do not know when they (17)happen, or (18)where they will happen. In the future, scientists may be able to watch and predict (19)before they happen. This could (20)many lives.

问题1选项
A.massive
B.significant
C.great
D.grand
问题2选项
A.changed
B.converted
C.destroyed
D.transformed
问题3选项
A.frequently
B.periodically
C.regularly
D.continuously
问题4选项
A.source
B.cause
C.movement
D.reason
问题5选项
A.collides with
B.confronts with
C.meets with
D.faces with
问题6选项
A.how
B.why
C.when
D.what
问题7选项
A.Generally
B.However
C.Similarly
D.Anyway
问题8选项
A.which
B.it
C.this
D.that
问题9选项
A.irresistible
B.inevitable
C.unaccountable
D.unpredictable
问题10选项
A.surface
B.appearance
C.crust
D.cover
问题11选项
A.burst out
B.flowed out
C.leaked out
D.trickled out
问题12选项
A.and
B.or
C.nor
D.but
问题13选项
A.like
B.for
C.as
D.that
问题14选项
A.living
B.alive
C.active
D.live
问题15选项
A.relatively
B.still
C.hardly
D.gradually
问题16选项
A.beyond
B.on
C.across
D.down
问题17选项
A.might
B.should
C.must
D.are to
问题18选项
A.though
B.whether
C.even
D.else
问题19选项
A.accidents
B.incidents
C.occasions
D.events
问题20选项
A.rescue
B.save
C.preserve
D.shelter
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