单项选择题

When did Post office in Britain employ cats

A．In 1868
B．In 1886
C．In 1898
D．In 1889
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单项选择题
According to Mr. Verleger, what is the most important change in the global energy economy in 30 years
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
Question 10 is based on the following news. At the end of the news item, you will be given 10 seconds to answer the question.Now listen to the news.
A．The study of Emu oil
B．the use of Emu oil
C．The effect of Emu oil
D．neither of above choices
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