单项选择题

Questions 26 to 28 are based on the following news. At the end of the news item, you will be given 15 seconds to answer the questions. Now listen to the news. Which of the following is not included in the cost of the trip

A．Planning the mission.
B．Modifying a spacecraft.
C．Completing manned and unmanned test flights.
D．Training astronauts.
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单项选择题
In Arkwright’s view, what property should a spinning machine have
A．It should not require a skilled operator to run it.
B．It should be powered by electricity.
C．It should be able to produce 128 threads at one time.
D．It should be operated by hand.
单项选择题
A．consists inB．consists ofC．results inD．results from
A．consists in
B．consists of
C．results in
D．results from
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