Read the following passage and mark the letter A,B,C or D on your answer sheet to indicate the correct answer to the following to the questions from 41 to 45.

    The last one hundred years has seen great changes in the the life and living conditions of people. Over a hundred years ago, many of the things that we do now seemed impossible. No one could imagine that people could fly, or that we could listen to music thousands of miles away.

     Among the most important scientific discoveries are new medicines. With the new medicines, many ilnesses that people died from fifty years ago are no longer dangerous. People today have better chance of living long. Surely nothing has done more for the comfort and happiness of the human race than the advance in healthcare.

    Now the Internet has become part of our everyday life. It is everywhere. More than a billion people use it, and the number of people who are online increases by 100 million every year. In 1994 there were only a few hundred web pages. Today there are billions.

41. What is the passage about? 

A. The Internet.       B. Great changes in the life and living conditions of people.

C. The cure for many diseases.      D. Listen to music thousands of miles away.

42. What is among the most important scientific discoveries?

  A. The improvement of living condidtions.              B. New kinds of medicines.

   C. The full understanding of scientific discoveries.     D. The changes in healthcare services.

43. According to the passage, how many people use the Internet today?

    A. 10,000,000.          B. 100,000,000.      C. 1,000,000.    D. billions.

44. The word “ chance” in the second paragraph is best replaced by which of the following word?

   A. opportunity      B. development        C. assistance        D. progress

45. What idea does the last sentence “ Today there are billions” support?

A. The number of the web pages of the Internet.        

B. The comfort and happiness of the human race.

C. The great changes in the life and living condition.    

D. The increase in the number of people who use the Internet.