目前犬、猫临诊手术中常用的吸入麻醉剂是（）
A.氟烷
B.安氟烷
C.异氟烷
D.静松灵
E.水合氯醛
参考答案：C
—What about the football match last night？
—______.I might as well have stayed at home and had a good rest.
A．It couldn’t have been any better
B．It couldn’t have been any worse
C．It was the best one
D．There was no better one
转基因食品
