七年级英语阅读理解试题及答案解析
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七年级英语阅读理解试题及答案解析
阅读理解
(20
分
)
A.
The
world
is
not
hungry
,
but
it
is
thirsty
.
It
seems
strange
that
nearly
3/4
of
the
earth
is
covered
with water
while
we
say
we
are
short
of (
短缺
) water. Why? Because about 97% of water on the earth is sea
water which we can't drink or use for watering plants directly (
直接
地
)
.
Man
can
only
drink
and
use
the
3%
-
the
water
that
comes
from
rivers
and lakes. And we can't even use all of that, because some of it has
been polluted (
污染
) .
Now more water is needed. The problem is: Can we avoid (
避免
) a
serious
water
shortage
later
on?
First,
we
should
all
learn
how
to
save
water. Secondly, we should find out the ways to reuse it . Scientists
have
always
been
making
studies
in
the
field.
Today,
in
most
large
cities
water is used only once and then runs to the sea or rivers . But it can
be used again. Even if (
即使
) every large city reused its water, still
there would not be enough. What could people turn to next?
The sea seems to have the best answer. There is a lot of water in
the sea. All that needs to be done is to get the salt out of the sea
water. This is expensive, but it's already used in many parts of the
world. Scientists are trying to find a cheaper way of doing it. So you
see, if we can find a way out, we'll be in no danger of drying up.
1 . The world is thirsty because ________.
A. 3/4 of the earth is covered with water
B. we have enough sea water to use directly
C. we haven't used all the water in rivers and lakes
D.
about
97%
of
water
on
the
earth
can't
be
drunk
or
used
for
watering
plants directly
2. Which of the following is true ?
A. 3% of water on the earth is in rivers and lakes.
B. 75% of water on the earth is the sea.
C. 97% of the earth is covered with water.
D. 3% of water on the earth is sea water.
3. From the passage we learn _________.
A. if every city reuses its water, we'll be in no danger of drying
up
B. man can only drink and use about 25% of water on the earth
C. today in most large cities water is used only once
D. water can be used only once
4 . To avoid the serious water shortage , which of the following
is the most important?
A. Save water and try to make good use of the water in rivers and
lakes.
B. Don't pollute water and keep all rivers and lakes clean.