100. Although much progress
has been made, _________ men still earn more than women.
A. on average B. above average C. on the other hand D. below average
完型篇
第一篇 In the past, man didn’t have to think
about the protection of his environment. There were few people on the earth,
and natural resources seemed to be 1.
Today things are 2 , and the world has become
too 3 . We’re using up our
natural resources too quickly, and at the same time we are 4 our environment with
dangerous chemicals. If we continue to do this, human life on the earth 5 survive.
Everyone 6 today that if too many fish are
taken from the sea, there will soon be none left. Yet, with modern fishing 7 , more and more fish are caught. We
know that if too many trees are cut down, 8 will disappear and nothing
will grow on the land. Yet, we 8 to use bigger and more
powerful machines to 10 more
and more trees.
We know that if rivers are polluted with waste products from
factories, we’ll die. 11 ,
in most countries wastes are 12 put into rivers or into the
sea, and there are 13 laws
to stop this.
We know, too, that if the 14 of the world continues to rise at
the present rate, in a few years there will not be enough 15 . What can we do to solve these
problems?
If we eat more
vegetables and less 16 there will be more food available
for every one. Land that is used to grow crops 17 five times more people than land
where animals are kept.
Our natural resources will 18 longer if we learn to
recycle them.
The world population will not rise so quickly if people use modern
methods of birth 19 .
Finally, if we educate people to think about the problems, we
shall have a better and cleaner 20 in the future.