单项选择题

A．New York.B．Washington D.C.C．Philadelphia.D．Chicago.Wh……

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. Now, listen to the passage.
Where was the first telephone service in America established

A．New York.
B．Washington D.C.
C．Philadelphia.
D．Chicago.

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单项选择题The man has to call his foreman about ______ .

A．tomorrow’s work schedule
B．when to work
C．what he should do
D．the work time

单项选择题In this passage, what does the term coalescence refer to

A．The gathering of small clouds to form large clouds.
B．The growth of droplets.
C．The fall of raindrops and other precipitation.
D．The movement of dust particles in the sunlight.