关于溶血性贫血的定义，哪一项是正确的（） A.红细胞破坏增加 B.红细胞寿命缩短 C

未成年人开始犯错误的高峰年龄是（　　）

A．10—12岁

B．12—15岁

C．15—17岁

D．13—16岁

—What is a writing brush, do you know?          

—It's used        writing and drawing.         [ ]

A. with              

B. for                

C. to

治疗肺系、咽喉、胸膈疾病宜选用哪组配穴( )

A．后溪、申脉

B．外关、足临泣

C．内关、公孙

D．照海、列缺

E．鱼际、曲池

If an emergency pump control is used as the emergency shutdown on a tanker，it must（）.

A.stop the flow of oil at the main deck manifold

B.prevent the oil from leaving the shore facility

C.prevent the oil from siphoning through the pump

D.None of the above