单项选择题

which one is wrong regarding the basic electric rhythm of smooth muscle in digestive tract?

A、the smooth muscle of alimentary tract depolarizes and repolarizes spontaneously and slowly in a cyclic fashion
B、is also called slow wave
C、It has a same frequency in diffferent locations of the GI tract
D、its amplitude is about 5-15 mV

相关考题

阅读下面的程序 #include <stdio....

单项选择题阅读下面的程序 #include <stdio.h> int main() { char ch; scanf("%3c",&ch); printf("%c",ch); return 0; } 如果从键盘上输入 abc

A、a
B、b
C、c
D、abc

手机类VR盒子与主机类VR设备能够提供相近的效果

未知题型手机类VR盒子与主机类VR设备能够提供相近的效果

表达式!"A"的值等于

未知题型表达式!"A"的值等于