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
Brazilian music is thoroughly imbued with African themes, and illustrious composers have long found inspiration in the black musical heritage.
A．imaginative
B．sensitive
C．distinguished
D．persistent
单项选择题
To celebrate the national day, there was a ______ fireworks display.
A．specific
B．spectacular
C．speculative
D．specialistic
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