按突起的数目，可以将神经元分为
A、单级细胞ABC
神经元有各种不同的形态，按突起的数目，可以将神经元分为单极细胞、双极细胞和多极细胞。
A beam of light will not bend round corners unless ________ (make) to do so with the help of a reflecting device
党在过渡时期的总路线和总任务是 ______。
Only a(n) ________ few were invited to the dancing party.
在新民主主义的五种经济成分中，属于过渡形式的经济成分是___________。
Human behavior is mostly a product of learning ________ the behavior of animals dependsmainly on instinct.
