单项选择题

The author would agree that （）

A．more money should be spent on the prevention of heart disease
B．heart surgery has helped most patients improve their conditions
C．modern technology has made heart surgery more risky than before
D．the public have known a great deal about the causes 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

Which of the following is TRUE according to the passage（）

A．The environment of London is better than Toronto.
B．In the first paragraph the underlined part means a modern and advance capital.
C．Beijing is badly polluted mainly by coal burning.
D．Liquefied gas is more expensive than petrol.