单项选择题

What is the purpose of the author in writing this passage

A．Legs become weaker.
B．Modern means of transportation make the world a small place.
C．There is no need to use eyes.
D．The best way to travel is on foot.

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单项选择题

Doctors think that lying to their patients is ______.

A．a medical tradition
B．to harm their own integrity
C．to defend medicine
D．uttering the truth for truth's sake

单项选择题

Most patients think that being told the truth of their illness may ______.

A．slow down recovery
B．lead to suicide in some case
C．be too hard for them to accept
D．help deal with illness