长于温脾阳的药物是（）。 A．附子 B．干姜 C．肉桂 D．吴茱萸

A client with heart failure loses 3.2 kg while hospitalized. Approximately how many pounds has the client lost

A. 1 pound.
B. 3 pounds.
C. 5 pounds.
D. 7 pounds.

两个圆是全等图形。[ ]

Jim doesn’t have _______ fish , but he has _______ meat .[ ]

A. some , any  

B. any , any    

C. any , some  

D. some, some

所有角焊缝中，焊脚尺寸总是等于焊脚。

简述甲醇合成反应机理。