单项选择题


Passage Two
Questions 29 to 31 are based on the passage you have just heard.

A．Pollution problems.
B．Water supplies around the world.
C．An industrial site in Missouri.
D．Groundwater pollution.
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单项选择题
A．To play basketball with friends from work.B．To try out for the company baseball team.C．To get in shape and compete in a cycling race.D．To watch the basketball game live in a stadium.
A．To play basketball with friends from work.
B．To try out for the company baseball team.
C．To get in shape and compete in a cycling race.
D．To watch the basketball game live in a stadium.
单项选择题
A．The blue one is cheaper than the others.B．The blue one is not worth buying.C．She is going to buy the yellow and the green ones.D．She will not buy any of the skirts.
A．The blue one is cheaper than the others.
B．The blue one is not worth buying.
C．She is going to buy the yellow and the green ones.
D．She will not buy any of the skirts.
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