单项选择题

What effect has modern technology had on medicine

A．It has reduced the costs of medical treatment.
B．It has helped save the lives of most patients.
C．It has encouraged doctors to do more heart surgeries.
D．It have helped educate people about the prevention of heart disease.

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热门试题

单项选择题

From the last three paragraphs we know that ______.

A．lengthening the existing 53-kilometer subway is among the 50 large projects
B．the length of the subway will be up to 135.25 kilometers in 2005
C．a 40.5-meter-long line will be added to Beijing's first light railway
D．a 70-meter-wide green belt will supply us with enough water

单项选择题

The government will pipe natural gas to the city's homes in order to ______.

A．solve the problem of being short of fuel
B．bring down the cost of daily life
C．reduce the pollution of our capital
D．keep up with the development of modern society