试卷
+
教案
+
习题
试卷
+
教案
+
习题
专题限时检?/p>
(
十九
)
阅读理解主旨大意类之标题归纳?/p>
(
加★的为标题归纳题,本卷限时
23
分钟
)
A
(2017·江苏省重点中学高三联?/p>
)In the western Pacific Ocean lies the deepest
place
on
the
planet
?/p>
the
Mariana
Trench,
which
runs
as
deep
as
about
7
miles
below
the
ocean's
surface.
That's
greater
than
the
height
of
Mount
Everest
measuring
about
5 and a half miles above sea level.
The Mariana Trench is home to a variety of sea life.
Coral reefs and underwater volcanoes are all found there.
But because few humans have been able to go far into the
trench, scientists know little about it.
Now they are working to change that. Recently, the Okeanos Explorer has been
on an exploration there. Remotely operated vehicles sent out from it are taking
videos of life in its deepest, darkest areas. Scientists around the world, along
with
the
general
public,
can
watch
the
videos
in
real
time.
These
videos
are
showing
the most mysterious parts of the ocean. Much of the area that the Okeanos Explorer
is exploring has been protected since 2009 as part of the Marianas Trench Marine
National
Monument.
Covering
more
than
95,000
square
miles,
it
is
one
of
the
world's
largest marine protected areas.
It's very dark, so the animals must use many other senses other than sight to
understand
their
surroundings,
find
food
and
escape
from
enemies.
The
water
is
also
very cold
?/p>
slightly above freezing
?/p>
and its pressure is extremely high. That
means only certain animals can live there, like shrimp, crabs, and starfish.
So
far,
the
expedition's
cameras
have
filmed
a
variety
of
rarely
seen
deepsea
creatures, including ghost sharks, huge lobsters, and sea pigs. Perhaps the most
amazing sight is beautiful red jellyfish that scientists have never seen before.
Scientists hope this expedition will help them unlock the mysteries of the
Mariana Trench. They'll le
arn about the deepsea animals and plants found there.
They'll
also
study
its
unique
features,
including
underwater
mountains,
mud
volcanoes, and hot springs produced by the volcanoes.
They say that this knowledge will also help scientists better understand how
the deepest part of the ocean affects the rest of the world. “The ocean plays a
role in the air we breathe, the food we eat, and the transportation of the goods
we
buy
?/p>
not
to
mention
the
weather
and
climate
change
,?nbsp;
a
scientist
said.
“The