单项选择题

What was Hank Walker's profession

A．A writer.
B．A painter.
C．A photographer.
D．A movie director.
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单项选择题
What was Richard Arkwright well known as
A．A barber.
B．The founder of mass-production.
C．A traveller.
D．A skilled operator.
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 han
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