单项选择题

The unemployment rate in this city () from 7% to 6% in the past two years.

A. has fallen
B. had fallen
C. is falling
D. was falling

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单项选择题
China has a population of 1.3 billion, () it the largest country in the world by population.

A. making
B. made
C. makes
D. to make
单项选择题
Most female workers in Beijing suffer from () connected to the global financial crisis, according to a recent survey.

A. curiosity
B. eagerness
C. thirst
D. anxiety
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