摘要: at the end of the discussion

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Many of the world's pollution problems have been caused by the crowding of large groups of people into the cities. Supply for the needs of the people leads to further  1  by industry.

If the rapid increase of world   2  continues at the present rate, there may be much greater

  3  to human beings.

Some scientists  4  of the increase in numbers of people as "population pollution''.

About 2,000 years ago, the world population was about 250 million. It  5 a billion in 1850. By 1930 the population was two billion. It is now six billon.

It is  6 to double by the year 2020. If the population  7  to grow at the same rate, there will be 25 billion people in the  8 a hundred years from now.

Man has been  9  the earth's resources more and more  10  over the past years. Some of them are almost gone.

Now many people believe that man's  11 problem is how to control the  12  of the population.

The material supplies in the world will be far from enough to  13 the human population if the present rate of increase continues.

There is already over-crowding in many cities and  14 in some countries. Many people believe that human survival in the future  15 on the answer to the question.

1.A. progress

B. pollution

C. education

D. production

2.A. agriculture

B. industry

C. environment

D. population

3.A. danger

B. harm

C. benefit

D. hardship

4.A. dream

B. approve

C. rid

D. speak

5.A. got

B. took

C. brought

D. reached

6.A. suggested

B. hoped

C. expected

D. said

7.A. continues

B. fails

C. tries

D. means

8.A. world

B. country

C. star

D. end

9.A. discovering

B. using

C. digging

D. destroying

10.A. seriously

B. dangerously

C. rapidly

D. steadily

11.A. greatest

B. easiest

C. lightest

D. simplest

12.A. existence

B. start

C. growth

D. birth

13.A. increase

B. starve

C. construct

D. support

14.A. discussion

B. starvation

C. construction

D. argument

15.A. depends

B. agrees

C. saves

D. passes

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It was the afternoon of December 24, the day before Christmas, but I had to stay to tidy the office. The only thing that __36__ my day was the beautifully decorated _37__ in our waiting room and a __38__ sent to me by a fellow I was dating—a dozen long-stemmed red roses.
  Suddenly, our receptionist came and said there was a lady outside that urgently needed to speak with me. As I stepped out, I noticed a young __39__woman with a baby in her arms standing there. __40__, she explained that her husband—a prisoner in a nearby prison—was my next patient. She told me she wasn’t _41_to visit her husband in prison and _42_he had never seen his son. So she _43_ me to let her wait here ahead of time. I agreed. _44_, it was Christmas Eve.
  A short time later, her husband arrived—with chains on his feet, cuffs on his hands, and two armed guards __45__ him. The woman’s tired face __46__when her husband took a seat beside her. I watched them laugh, cry, and share their__47__. He seemed like a gentle and honest man.
  At the end of the __48__, the man had to go back and I__49__him a Merry Christmas. He smiled and thanked me and said he felt saddened by the __50__that he hadn’t been able to get his wife __51__for Christmas. On hearing this, I was __52__with a wonderful idea.
  I’ll never forget the __53__on both their faces as the prisoner gave his wife the beautiful, long-stemmed red roses. I’m not sure who __54__the most joy—the husband in giving, the wife in receiving, or myself in having the opportunity to share in this __55__moment.

36  A.  enjoyed          B  presented      C  relaxed D  brightened

37  A  office           B  Christmas Father C Christmas tree   D furniture

38  A  gift             B  regards       C  message        D  package

39  A ordinary-looking B good-looking C tired-looking     D frightened-looking

40  A  Happily          B  Quietly       C  Excitedly       D  Nervously

41  A  going           B  determined     C  expected        D  allowed

42  A  why            B  how         C  that           D  when

43  A  persuaded        B  demanded     C  begged         D  pleased

44  A  Above all         B  In all         C  All in all       D  After all

45  A  near            B  around       C  behind         D  before

46  A  turned pale B  went red      C  lit up D  turned away

47  A  child            B  tears         C  joy            D  sorrows

48  A  meeting B  appointment    C  discussion D  conversation

49  A  said             B  showed       C  wished         D  hoped

50  A  fact             B  words        C  idea           D  scene

51  A  something B  nothing       C  anything D  everything

52  A  encouraged       B  struck        C  provided        D  inspired

53  A  sadness          B  happiness     C  look           D  smiles

54  A  experienced       B  received      C  gave           D  accepted

55  A sad B   unforgettable   C happy    D     special

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