题目内容

_____, the population of China is the largest in the world.

[　　]

A．It is well known that

B．As is well known

C．Which is well known

D．We all know

答案：
解析：

as引导非限制性定语从句。


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America is growing older. Fifty years ago, only 4 out of every 100 people in the United States were 65 or older. Today, 10 out of every 100 Americans are over 65. The aging of the population will affect American society in many ways — edu?cation, medicine, and business. Quietly, the aging of America has made us a very different society — one in which people have a quite different idea of what kind of behavior is suitable at various ages.
A person’s age no longer tells you anything about his/ her social position, marriage or health. There’s no longer a particular year in which one goes to school or goes to work or gets married or starts a family. The social clock that kept us on time and told us when to go to school, get a job, or stop work?ing isn’t as strong as it used to be. It doesn’t surprise us to hear of a 29-year-old university president or a 35-year-old grandmother, or a 70-year-old man who has become a father for the first time. Public ideas are changing.
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  1. 1.

    It can be learned from the text that the aging of the popula?tion in America ________.

    1. A.
      has made people feel younger
    2. B.
      has changed people’s social position
    3. C.
      has changed people’s understanding of age
    4. D.
      has slowed down the country’s social development
  2. 2.

    The underlined word “one” refers to ________.

    1. A.
      a society
    2. B.
      America
    3. C.
      a place
    4. D.
      population
  3. 3.

    “Act your age” means people should ________.

    1. A.
      be active when they are old
    2. B.
      do the right thing at the right age
    3. C.
      show respect to their parents young or old
    4. D.
      take more physical exercises suitable to their age
  4. 4.

    f a’ 25-year-old man becomes general manager of a big firm, the writer of the text would most probably consider it _________.

    1. A.
      normal
    2. B.
      wonderful
    3. C.
      unbelievable
    4. D.
      unreasonable

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