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单项选择题

A．They could work for 24 hours a day.
B．They were worse hunters.
C．They were more persistent hunters.
D．They worked the whole night.
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热门试题

单项选择题A．216,000B．206,000C．260,000D．266,000

A．216,000
B．206,000
C．260,000
D．266,000

单项选择题A．The study of Emu oilB．the use of Emu oilC．The effect of Emu oilD．neither of above choices

A．The study of Emu oil
B．the use of Emu oil
C．The effect of Emu oil
D．neither of above choices

单项选择题A．the rapid growth in world oil consumptionB．the rise of China and IndiaC．the construction of new pipelines is becoming more difficultD．the rise of oil price

A．the rapid growth in world oil consumption
B．the rise of China and India
C．the construction of new pipelines is becoming more difficult
D．the rise of oil price

单项选择题A．In 1868B．In 1886C．In 1898D．In 1889

A．In 1868
B．In 1886
C．In 1898
D．In 1889

单项选择题A．Revolutionary WarB．the First World WarC．wars involved AmericaD．the Civil War

A．Revolutionary War
B．the First World War
C．wars involved America
D．the Civil War