问题
单项选择题 B1型题
神经源性疾病（）
A.第二个运动单位参与收缩前，第一个运动单位电位连续放电的间隔期
B.第一个运动单位电位连续放电的间隔期
C.第二个运动单位电位连续放电的间隔期
D.募集期间（R1）缩短
E.募集期间（R1）延长
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
神经源性疾病（）
A.第二个运动单位参与收缩前，第一个运动单位电位连续放电的间隔期
B.第一个运动单位电位连续放电的间隔期
C.第二个运动单位电位连续放电的间隔期
D.募集期间（R1）缩短
E.募集期间（R1）延长
参考答案：D
This is a special class in a Chinese school. The students come from countries. Some come from America. come from Canada, Germany, Australia and England. They different languages, but all of can speak Chinese. They are good friends. They together, play together and live together. They help each other. All of the of this class are Chinese, but they can speak English, too. They help their students Chinese. They are very kind helpful. They work hard. All the students this class study Chinese cooking, so they can make delicious meals. All the students say that they are here. They also say China is a great country and the Chinese people are very friendly.
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