单项选择题

下列不属于神经嵴演变而来的结构是（）

A．坐骨神经
B．面神经
C．位听神经
D．视神经
E．嗅神经

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热门试题

单项选择题

By “a system of built-in obsolescence”the author means（）.

A．no formal systems exist in modern industrial society
B．old people have no status in modern industrial society
C．young people have chances in modern industrial society
D．knowledge changes rapidly in modern industrial society

单项选择题

The explanation given by the manager yesterday was not at all（）to us.

A．satisfy
B．satisfied
C．satisfactory
D．satisfying