单项选择题

A．Do artificial respiration as soon as possible if the person has stopped breathing.
B．Act immediately to stop the flow of blood if the person is bleeding badly.
C．Loosen his clothing if the person is unconscious.
D．Perform the operation as soon as possible.
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单项选择题
A．The assembly line permits mass production of automobiles.B．The assembly line enables the workers to be more responsible.C．The assembly line guarantees the quality of its products.D．The assembly line helps to arouse the enthusiasm of the workers.
A．The assembly line permits mass production of automobiles.
B．The assembly line enables the workers to be more responsible.
C．The assembly line guarantees the quality of its products.
D．The assembly line helps to arouse the enthusiasm of the workers.
单项选择题
A．The drug promoted the country’s export industry.B．The drug had a very bad effect on the country’s economy.C．The drug helped the growth of the country’s economy.D．The drug saved the people from working.
A．The drug promoted the country’s export industry.
B．The drug had a very bad effect on the country’s economy.
C．The drug helped the growth of the country’s economy.
D．The drug saved the people from working.
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