According to the text, 'rational choice' holds that
A．decision making is not linked with wisdom in a sense.
B．happiness relies on short-term individual gains.
C．individual happiness harms the broad interests of society.
D．individual fates change with reckless greed.

单项选择题对服毒的病人解毒在服毒后几小时内洗胃效果最佳( )。

未分类题According to the first two paragraphs, the 'improbable ambition'(Line 1, Paragraph 2)isA．to make Middlesbrough boom on steel and chemicals again.B．to revive the traditional industries in Middlesbrough.C．to revive Middlesbrough with glitz and glamour.D．to build an expensive gallery in Middlesbrough.

未分类题By saying 'Middlesbrough lost its heart years ago'(Line 3, Paragraph 3), Ray Mallon implies that the town has lostA．its confidence a long time ago.B．its attraction a long time ago.C．an important organ long ago.D．its way a long time ago.

判断题有穷自动机能够识别上下文无关语言。()

未分类题Money from outside the town is quite needed becauseA．few people will pay a visit to Middlesbrough Institute of Modern Art.B．the local unemployment rate is high and business registration rate is low.C．many people will choose to go to Newcastle to experience culture.D．the town suffers the high unemployment rate—twice the national average.