Question

1.Medicalhelp people to live much longer. 2.the... of the computer has revolutionized the business world.
3.Many scientists don’t consider that ... can give absolutely reliable knowledge.
4.The telescope has allowed astronomers to make ...about the Galaxy
5.New communication...have transformed the business world
6. He must study... if he wants to be involved in designing new bridges and machines .
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Answer 1

1.Medical researches help people to live much longer.

2. The invention of the computer has revolutionized the business world.

3.Many scientists don’t consider that experiments can give absolutely reliable knowledge.

4.The telescope has allowed astronomers to make discoveries about the Galaxy.

5.New communication forms have transformed the business world.

6. He must study engineering if he wants to be involved in designing new bridges and machines .