单项选择题

A．Artistic and economic.
B．Concrete and observable.
C．Scientific and historical.
D．Implicit and abstract.
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单项选择题
A．They learn to do them by being corrected all the time.B．They learn to do them by being taught by skilled people.C．They learn to do them through comparison and discovery.D．They learn to do them with the help of other children.
A．They learn to do them by being corrected all the time.
B．They learn to do them by being taught by skilled people.
C．They learn to do them through comparison and discovery.
D．They learn to do them with the help of other children.
单项选择题
A．A flower park.B．A bird park.C．A forest park.D．A nature park.
A．A flower park.
B．A bird park.
C．A forest park.
D．A nature park.
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