[单项选择]During the late 1950s, the Brazilian economy ______ forward as heavy industries and basic infrastructure--roads, communications, and construction--expanded.
A. increased
B. splashed
C. surged
D. improved

[单项选择]During the late 1950s, the Brazilian economy ______ forward as heavy industries and basic infrastructure—roads, communications, and construction—expanded.
A. increased
B. splashed
C. surged
D. improved

[单项选择]I'd rather you ______ over the economy during the period of its greatest stress and danger.
A. presided
B. should preside
C. will preside
D. preside

[单项选择]By the late 1950s scientists had already __________ enough evidence to show a clear link between smoking and cancer.
A. assembled
B. proved
C. acquired
D. accumulated

[单项选择]During a late stage of acquired immunodeficiency syndrome (AIDS), a client demonstrates signs of AIDS-related dementia. The nurse should give the highest priority to which nursing diagnosis
A. Bathing or hygiene self-care deficit.
B. Ineffective cerebral tissue perfusion.
C. Dysfunctional grieving.
D. Risk for injury.

[单项选择]

In the 1950s, the pioneers of artificial intelligence (AI) predicted that, by the end of this century, computers would be conversing with us at work and robots would be performing our housework. But as useful as computers are, they’re nowhere close to achieving anything remotely resembling these early aspirations for humanlike behavior. Never mind something as complex as conversation: the most powerful computers struggle to reliably recognize the shape of an object, the most elementary of tasks for a ten-month-old kid.
A growing group of A1 researchers think they know where the field went wrong. The problem, the scientists say, is that Al has been trying to separate the highest, most abstract levels of thought, like language and mathematics, and to duplicate them with logical, step-by-step programs. A new movement in Al, on the other hand, takes a closer look at the more roundabout way in which nature came up with intelligence. Many of these researchers study evolut
A. are capable of reliably recognizing the shape of an object
B. are close to exhibiting humanlike behavior
C. are not very different in their performance from those of the 50's
D. still cannot communicate with people in a human language

[单项选择]In the 1950s the American "dream" was
A. to have a house
B. to buy a new house in the suburbs
C. to have a big car
D. to buy an apartment in the city

[单项选择]The economic policy Britain pursued in the 1950s and 1960s was based on the theory of（）
A. Adam Smith
B. John Maynard Keynes
C. Margaret Thatcher
D. Karl Marx