培养基
参考答案：是指人工配制的、适合微生物生长繁殖的或产生代谢物用的混合养料。
With a lot of children _________ noise around, the students couldn’t concentrate their attention on what they were learning.
A．to make
B．making
C．made
D．were making
动物临床健康检查中，个体检查主要包括（）。
A.体温检测
B.可视粘膜检查
C.排泄器官和排泄物的检查
C.被毛和皮肤的检查
D.体表淋巴结的检查
E.呼吸状态检查
