单项选择题

According to the passage, in WHICH area is improvement already under way

A．Facilities in the ski resorts.
B．Domestic transport system.
C．Air services to Asia.
D．Road network in the south.
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单项选择题
In the second paragraph a comparison is drawn between
A．medicine and life.
B．resources and energies.
C．predicaments and solutions.
D．athletics and longevism.
单项选择题
In the author's opinion, the prolongation of life is equal to
A．mobility.
B．deprivation.
C．autonomy.
D．awareness.
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