单项选择题

Some of them have basically __________ their skills into becoming working actors, singers and dancers.

A．raised
B．cultivated
C．developed
D．grown

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土地的适宜性是针对一定的土地利用方式而言的。（）

答案：正确

单项选择题

总量分析法只包括动态分析。这句话对吗？
A、正确
B、错误