菌苔
参考答案：
细菌在固体培养基表面生长繁殖形式肉眼可见的多个菌落连成一片的群体。
There ____ a temple on the side of the mountain, didn't there?
A．would be
B．would have
C．used to have
D．used to be
金具的基本尺寸小于或等于50mm时，其允许极限偏差为________。
