用防腐胶带进行防腐作业时，每一圈间不能有间歇，允许有不小于（）cm的搭边。
参考答案：2
It is reported that more new teaching buildings in our school in the next term. [ ]
A. will be built
B. was built
C. has built
D. will build
骨骼肌运动终板上的受体是（）
A．β1受体
B．β2受体
C．M受体
D．N1受体
E．N2受体
