单项选择题

Questions 6 and 7 are based on the following news. Which of the following is the cause of rising oil price

A．Job creation improvement.
B．High unemployment rate.
C．Signs of economy recovery.
D．A strong dollar.
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单项选择题
The highest oil price in history was ______ a barrel.
A．$86.64
B．$85.70
C．$162
D．$147
单项选择题
The video on YouTube showed horrible flashes in
A．Belmont.
B．Charlotte.
C．High Point.
D．Greensboro.
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