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

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热门试题

单项选择题

The underlined word upbeat in paragraph 2 probably means ______.

A．hopeful
B．defeated
C．conscientious
D．uncertain

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