有关外生殖器的神经支配错误的是
A．支配外阴部的神经主要是交感神经和副交感神经
B．由第2、3、4骶神经的分支所组成
C．与阴部内动脉走向相同
D．在坐骨结下内侧下方合成分支
E．将下神经的阴蒂背神经及会阴神经分布于肛门、阴蒂、阴唇、会阴
参考答案：A
解析：外阴部的神经主要为阴部神经，系体干神经，由第2、3、4骶神经的分支所构成，与阴部内动脉取相同途径，在坐骨结节内侧下方分为3支，即痔下神经、阴蒂神经及会阴神经。
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| There is a big park near my home. It is big and beautiful. In the park, there are many 1 and trees. In spring, when flowers come out (开放), the park looks very beautiful. People all like to 2 there. In the morning, many people take exercise there. Students like to 3 books there. After 4 , people like to take a walk there with their friends or families. There are many benches (长椅) for people to sit on when they 5 tired. Today is Sunday. There are many 6 in the park. Jim and his friends chat 7 the big tree. Lucy and Lily walk and talk about 8 interesting film. There is a lake 9 the park. Some children swim in the lake, and others fish there. They all have a 10 time. | ||||
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