单项选择题

The biggest advantage of this robot is that______.

A．it will be faster and cheaper than manual labor
B．it can climb mountainsides, drill holes, insert bars and cement
C．it can collect data on the slope's stability
D．it can drill without a human being on board
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单项选择题
Which of the following is the author's advice to the reader
A．Although too much attention to details may be costly, they should not be overlooked (忽视).
B．Don't forget details when drawing pictures.
C．Beware of the importance of a task before undertaking it.
D．Careless applicants are not to be truste
单项选择题
The word perfectionists in the third paragraph refers to those who ______.
A．demand others to get everything absolutely right
B．know how to adjust their goals according to the circumstances
C．pay too much attention to details only to lose their major objectives
D．are capable of achieving perfect results in whatever they do
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