单选题
What is the main purpose of this passage?
A、
To look back to the early days of this passage.
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.
【正确答案】
D
【答案解析】
[考点] 主旨题
[解析] 这是一道主旨大意题。通读全文可知，整篇短文是在告诫人们防止对计算机产生过于依赖的懒惰心理。
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