单项选择题

By referring to Sam's broken bicycle, the author intends to ______.

A．illustrate the ways to repair his bicycle
B．discuss the problems of his bicycle
C．tell us how to solve a problem
D．show us how to analyses a problem

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热门试题

单项选择题

The author's attitude towards intelligent seem to be that______.

A．opposition
B．approval
C．suspicion
D．indifference

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