单项选择题

Questions 11 to 18 are based on the conversation yon have just heard.

A．How primitive people used flags.
B．What the ancient means of communication was.
C．Why the torch towers were built.
D．How the Great Wall came into being.
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单项选择题
We can conclude from the passage that ______.
A．today’s under-thirties are leading a miserable life in Britain
B．Laura Lenox-Conyngham’s attitude to work and life represents that of many young professionals in Britain
C．life can get harder for under-thirties in Britain
D．elders enjoy extremely high living standards in Britain
单项选择题
The author tells us in paragraph 4 ______.
A．the reasons for keeping medicines at home
B．people’s doubt about taking drugs
C．what kind of medicine people should prepare at home
D．the possible harms self-medication may do to people
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