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完形填空4.
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4.Look at your watch for just one minute ._1___ that time,the population of
the world __2___ 259.Perhaps you think that isn’t much.However,during the next hour,over 15,540 more babies will 3_____ on the earth.
So it___ 4____ on ,hour after hour.In one day,people have to produce food for over 370,000 more mouths.Multiply this __5___ 365 .Just think how many more there will be in one year!What __6___ in a hundred year?
The increasing population may be __7___ challenge of the world today.The world’s population is growing___ 8___ .Two thousand years ago,there were only 250 9 people on the earth .Four hundred years ago,the number was over 500 million.At the beginning of __10__ century,the world’s population was about 1.7 billion.In 1970 ,this number was over 3.6 billion .In 1990,it reached more than five billion.Now at the beginning of the 21st century the world’s population has passed six billion.People say that by the year 2010 ,it may be seven billion.That means that in about 600 years ,there will be standing room only on the earth .Each person will have one square metre of space to live in.There will be hardly enough space for anybody else.
1.
A.
Before
B.
During
C.
Between
D.
In
2.
A.
increase to
B.
increase by
C.
increased to
D.
increased by
3.
A.
born
B.
be born
C.
been born
D.
have been born
4.
A.
goes
B.
went
C.
go
D.
going
5.
A.
to
B.
in
C.
by
D.
on
6.
A.
will happen
B.
happen
C.
has happened
D.
is happening
7.
A.
the larger
B.
the large
C.
the largest
D.
largest
8.
A.
larger and larger
B.
smaller and smaller
C.
faster and faster
D.
slower and slower
9.
A.
millions
B.
millions of
C.
million
D.
million of
10.
A.
twenty
B.
the twentieth
C.
the twenty
D.
twentieth