单项选择题

What is the best title for this passage

A．Six Stages for Repairing Sam's Bicycle.
B．Possible Ways to Problem-solving.
C．Necessities of Problem Analysis.
D．Suggestions for Analyzing a Problem.
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单项选择题
When the author says that it' s not crazy to think about the impact of this on evolution, he means_____.
A．the progress in biography is so great that people feel astonished
B．the progress in cryogenics is so great that people feel astonished
C．the progress in information technology has great influence on human
D．the progress in information technology is beneficial to human
单项选择题
From paragraph 4, we can deduce that_____.
A．the speed of computers is faster than ever
B．scientists encounter unprecedented difficulties
C．the intelligence of computers is more important than the speed
D．there is much room for the improvement of computer intelligence
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