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A、The function of brain. B、The function and nature of nerve cells. C、The five senses. D、The chemical processes. B听懂第一句往往是关键。本文介绍
A、The function of brain. B、The function and nature of nerve cells. C、The five senses. D、The chemical processes. B听懂第一句往往是关键。本文介绍
admin
2013-01-20
59
问题
There are many kinds of nerve cells, and this chapter deals mainly with three kinds. The sensory nerve cells carry messages her heat, light, sound and pressure from the skin, muscles and organs inside the body. Motor nerve cells carry messages to the muscles, and this causes the muscles to move. Connecting nerve cells go between the sensory nerve cells and motor nerve cells. After the messages go from the spinal cord to the brain, the brain sends messages through the motor nerve cells to the muscles. All these different nerve cells help us to see, hear, taste, smell and feel.
Now if you have no further questions about chapter seven, we’ll go on to talk about the chemical processes involving the transfer of messages.
选项
A、The function of brain.
B、The function and nature of nerve cells.
C、The five senses.
D、The chemical processes.
答案
B
解析
听懂第一句往往是关键。本文介绍了三种神经细胞及其功能,故选B。
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0
大学英语四级
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