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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
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