单项选择题

A corps of so-called barefoot doctors are trained in hygiene, preventive medicine, acupuncture, and routine treatment of common diseases.

A．nutrition
B．sanitation
C．nursery
D．welfare
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单项选择题
Admiral Cervera knew he was being ordered to certain destruction but felt compelled to obey. He chose the morning of July 3 for a gallant escape attempt.
A．daring
B．futile
C．critical
D．fruitful
单项选择题
The Austrian manufacturing industry consists of a few large organizations, many of which operate under government auspices.
A．supervision
B．orientation
C．regulation
D．sponsorship
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