成人高考考试

解析：In the past, man didn’t have

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【单选题】

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 {{U}} (56) {{/U}} . Today things are {{U}} (57) {{/U}} . The world has become too {{U}} (58) {{/U}} . We are using up our natural resources too quickly, and at the same time we are {{U}} (59) {{/U}} our environment with dangerous chemicals. If we {{U}} (60) {{/U}} to do this, human life on the earth will not survive.
Everyone {{U}} (61) {{/U}} toady that if too many fish are taken from the sea, there will soon be none left. Yet, with modem fishing {{U}} (62) {{/U}} more and more fish are caught. We know that if too many trees are cut down, {{U}} (63) {{/U}} will disappear and nothing will grow on the lanD、Yet, we {{U}} (64) {{/U}} to use bigger and more powerful machines to {{U}} (65) {{/U}} more and more trees.
We realize that if rivers are polluted with waste products from factories, we will die. {{U}} (66) {{/U}} , in most countries wastes are {{U}} (67) {{/U}} put into rivers or into the sea, and there are {{U}} (68) {{/U}} laws to stop this.
We know, too, that if the {{U}} (69) {{/U}} of the world continues to rise at the present rate, in a few years, there will not be enough {{U}} (70) {{/U}} What can we do to solve these problems
If we eat more vegetables and less {{U}} (71) {{/U}} , there will be more food available for anyone. Land that is used to grow crops {{U}} (72) {{/U}} five times more people than land where animals are kept.
Our natural resources will {{U}} (73) {{/U}} longer if we learn to recycle them. The world population will not rise so quickly if people use modem methods of birth {{U}} (74) {{/U}} .
Finally, ff we educate people to think about the problems, we shall have a better and cleaner {{U}} (75) {{/U}} in the future.
A．crowded
B．large
C．dirty
D．busy

网考网参考答案：A
网考网解析：
[分析] 由于有了第二句的前提，才能导致“We are using up our natural resource too quickly”这个结果，故选A。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>

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