种畜禽生产经营许可证应当注明（）等。
A、生产经营者名称
B、场（厂）址
C、生产经营范围
D、许可证有效期的起止日期
参考答案：A, B, C, D
在循环冷却水中，pH值控制在较高范围会（）腐蚀速度。
A.降低
B.升高
C.不变
D.物相应关系
-How can we get to the camping site nearly one hundred miles away?If only we had a car!
-Why not consider __________ a car to get there and letting Jim take us back in his jeep?[ ]
A．hiring
B．firing
C．stealing
D．picking
