题目内容：
1. What is the main purpose of this passage?A) To look back to the early days of computers.
B) To explain what technical problems may occur with computers.
C) To discourage unnecessary investment in computers.
D) To warn against a mentally lazy attitude towards computers.
2. According to the passage, the wide-spread concern about computers was that they might _____________.
A) change our personal lives
B) take control of the world
C) create unforeseen problems
D) affect our businesses
3. The passage recommends those dealing with computers to ______________.
A) be reasonably doubtful about them
B) check all their answers
C) substitute them for basic thinking
D) use them for business purposes only
4. The passage suggests that the present-day problem with regard to computers is _____________.
A) challenging B) psychological C) dramatic D) fundamental
5. It can be inferred from the passage that the author would disapprove of _______________.
A) investment in computers
B) the use of one’s internal computer
C) double-checks on computers
D) complete dependence on computers for decision-making
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