奥美拉唑属
A．抗高血压药B．抗心绞痛药C．抗心律失常药D．平喘药E．抗消化性溃疡药
参考答案：E
Dr Yuan Longping grows ________ is called super hybrid rice, _________ has a high output.
A．what; which
B．that; what
C．that; which
D．what; what
生产外径为7的内螺纹铜管所需要的预定径模的规格，错误的是（）
A．8.3
B．10
C．7.3
D．5.35
