单项选择题

The author believes that more houses were bought last year because______.

A．the economic recession was less serious
B．many people earned more before
C．the interest rate was very low
D．real-estate developers lowered their prices

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热门试题

单项选择题

The weekly unemployment data show that ______.

A．more unemployed are being employed now
B．less workers are being dismissed now
C．workers are being better paid now
D．workers are more confident about their income now

单项选择题

The author discusses computing machines in the first paragraph primarily in order to ______.

A．indicate the dangers inherent in relying to a great extent on machines
B．illustrate his views about the approach of mathematicians to problem solving
C．compare the work of mathematicians with that of computer programmers
D．provide one definition of intelligence