Everywhere man has cut down ______ forests in order to grow crops, or to use ______ wood as fuel or as building material.

1. A.
   the; the
2. B.
   the; /
3. C.
   /; the
4. D.
   /; /

Everywhere man is altering the balance of nature．He is facilitating the spread of plants and animals into new regions, sometimes deliberately, sometimes unconsciously．He is covering huge areas with new kinds of plants, or with houses, factories, slag-heaps and other products of his civilization．He exterminates some species on a large scale, but favours the multiplication of others．In brief, he has done more in five thousand years to alter the biological aspect of the planet than has nature in five million．

        Many of these changes which he has brought about have had unforeseen consequences．Who would have thought that the throwing away of a piece of Canadian waterweed would have caused half the waterways of Britain to be blocked for a decade, or that the provision of pot cacti for lonely settlers’ wives would have led to Eastern Australian being overrun with forests of Prickly Pear? Who would have prophesied that the cutting down of forests on the Adriatic coasts, or in parts of Central Africa, could have reduced the land to a semidesert, with the very soil washed away from the bare rock? Who would have thought that improved communications would have changed history by the spreading of disease-sleeping sickness into East Africa, measles into Oceania, very possibly malaria into ancient Greece?

        These are spectacular examples; but examples on a smaller scale are everywhere to be found．We make a nature sanctuary for rare birds, prescribing absolute security for all species; and we may find that some common and hardy kind of bird multiplies beyond measure and ousts the rare kinds in which we were particularly interested．We see, owing to some little change brought about by civilization, the starling spread over the English country-side in hordes．We improve the yielding capacities of our cattle; and find that now they exhaust the pastures which sufficed for less exigent stock．

The following examples except ________ reflect man altering the balance of nature．

       A．man is covering huge areas with new kinds of plants

       B．man is facilitating the spread of animals into new regions．

       C．man is killing some species on a large scale

       D．man is getting to know the importance of keeping the balance of nature．

What had a piece of Canadian waterweed cause?

       A．Eastern Australian was overrun with forests．

       B．Half the waterways of Britain blocked for a decade．

       C．In parts of central Africa, the land reduced to a semidesert．

       D．Disease-sleeping has been caused．

What have spread diseases?

       A．Disease-sleeping sickness．       B．Measles．

       C．Improved communications．            D．Malaria．

We make a nature sanctuary for rare birds but __________

       A．some common and hardy kind of bird multiplies   

       B．rare kinds multiply

C．all bird multiply                             

D．no bird multiply

The main idea of the passage is _________．

       A．that man is deliberately destroying the balance of nature

B．that man has foreseen the consequences of altering the balance old nature

       C．that improved communications have changed history

D．that man is altering the balance of nature

Everywhere you will always find “the white—haired boy”, sometimes called “the fair-haired boy” He gets special treatment, as if he were above everybody else. You will find him in school, in college, at home, or where you work.

  In school, he is the teacher’s pet, her darling who can do nothing wrong. Sometimes she lets him do little jobs for her. He comes to class in the morning, all shiny and clean, He is always raising his hand, ready with an answer to the teacher’s questions. And he knows all the answers. He “gets into your hair”, especially if you are at the bottom of the class and the teacher thinks you are stupid. How you hate the white-haired boy!

  In college, he walks—more often strides—across the school grounds as if he owned them. Sometimes he wears a colorful football or basketball shirt or sweater, with a bright red, or green or yellow college letter proudly worn on the front of it—as a big B, for Bullfinch University. What broad shoulders, what muscles he has! He makes the girls happy by just smiling at them. He has the mark of success on him.

  At home, “the fair-haired boy” is mother’s choice, her favorite. Sometimes, he is the oldest son—at times, the youngest. If you are in between, you are out of luck.

  On the job, you might meet another of these “white-haired boys”; you cannot escape him. For some strange reason, he is the man who always moves ahead. He gets better and better jobs, with more and more money. But you stand still, wondering why, and trying to explain to your-self why you hate him so much.

  Then, you discover that there are others who share your feelings, ready to “let their hair down” —to tell you their private thoughts. One of them asks: “What does he have that I haven’t got?” You ask yourself the same question.

  Finally, there comes a day when you decide to stop hating him. Is it perhaps because he has been made boss and you find yourself working for him?

From the passage we can know that “the white-haired boy” refers to      

A. a child who is mother’s favorite   B. a student who is hated by everybody

C. a pet who is hated by everybody    D. a person who is lucky all the time

What does the underlined sentence in paragraph 2 mean?

A. He sets a shining example to you    B. He makes you a little angry.

C. He cuts your hair too short.       D. He does up your hair.

In the author’s opinion, the reason why you finally stop hating the white-haired boy is that   

A. you have no choice but to face the facts  B. you decide to try your best to be better than him

C. you have been made boss by him       D. you are beginning to admire him

Which of the following is the best title for the passage?

A. Try to Be Attractive             B. Let Your Hair Down

C. The White-haired Boy           D. The Top Student

Everywhere man is altering the balance of nature．He is facilitating the spread of plants and animals into new regions, sometimes deliberately, sometimes unconsciously．He is covering huge areas with new kinds of plants, or with houses, factories, slag-heaps and other products of his civilization．He exterminates some species on a large scale, but favors the multiplication of others．In brief, he has done more in five thousand years to alter the biological aspect of the planet than has nature in five million．

    Many of these changes which he has brought about have had unforeseen consequences．Who would have thought that the throwing away of a piece of Canadian waterweed would have caused half the waterways of Britain to be blocked for a decade, or that the provision of pot cacti for lonely settlers’ wives would have led to Eastern Australian being overrun with forests of Prickly Pear? Who would have prophesied that the cutting down of forests on the Adriatic coasts, or in parts of Central Africa, could have reduced the land to a semi desert, with the very soil washed away from the bare rock? Who would have thought that improved communications would have changed history by the spreading of disease-sleeping sickness into East Africa, measles into Oceania, very possibly malaria into ancient Greece?

These are spectacular examples; but examples on a smaller scale are everywhere to be found．We make a nature sanctuary for rare birds, prescribing absolute security for all species; and we may find that some common and hardy kind of bird multiplies beyond measure and ousts the rare kinds in which we were particularly interested．We see, owing to some little change brought about by civilization, the starling spread over the English country-side in hordes．We improve the yielding capacities of our cattle; and find that now they exhaust the pastures which sufficed for less exigent stock．

The following examples except _______________ reflect man altering the balance of nature．

    A．man is covering huge areas with new kinds of plants

    B．man is facilitating the spread of animals into new regions．

    C．man is killing some species on a large scale

    D．man is getting to know the importance of keeping the balance of nature．

What had a piece of Canadian waterweed cause?

    A．Eastern Australian was overrun with forests．

    B．Half the waterways of Britain blocked for a decade．

    C．In parts of central Africa, the land reduced to a semi desert．

    D．Disease-sleeping has been caused．

What have spread diseases?

    A．Disease-sleeping sickness．          B．Measles．

    C．Improved communications．        D．Malaria．

We make a nature sanctuary for rare birds but _______________.

A．some common and hardy kind of bird multiplies   

B．rare kinds multiply

C．all bird multiply                             

D．no bird multiply

The main idea of the passage is ______________．

    A．that man is deliberately destroying the balance of nature

B．that man has foreseen the consequences of altering the balance old nature

    C．that improved communications have changed history

D．that man is altering the balance of nature

Everywhere man has cut down_______forests in order to grow crops,or to use_______wood as fuel or as building material.

A.the;the               B.the;/                   C./;the                   D./;/