单项选择题

According to the last paragraph, we know that the author thinks ______.

A．computers may replace human beings some day
B．everyone should believe in God
C．computers still depend on human beings
D．computers could live without human beings

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单项选择题

Who was interested in computers after they came into existence

A．Students.
B．Mathematicians.
C．People from many sciences.
D．All the people.

单项选择题

Which of the following is true according to the passage

A．All inventions have brought about complete changes.
B．Few of the inventions have brought about minor changes.
C．The inventions of the wheel and the automobile are not remarkable and influential.
D．We've benefited from the comfort, health, knowledge or power brought out by the inventions.