泵与风机的主要性能参数有（）
A.流量与扬程
B.转速
C.功率与效率
D.汽蚀余量
参考答案：A, B, C, D
读一读，写出反义词。
1. Beijing is a __________ city. Shijiazhuang is a small city.
2. Danny is quiet, but Jenny is __________.
3. He came here at six. I __________ there at six, too.
4. The desk is old, but the chair is __________.
5. A bus is __________. An airplane is fast.
使用微量肉汤稀释法进行抗真菌药敏试验时，配制抗真菌药物氟康唑使用的溶剂是（）
A.甲醇
B.蒸馏水
C.二甲基亚砜
D.无水乙醇
E.异丙醇
