胃蛋白酶水解的片段是（）
A.2Fab段+Fc段
B.F（ab’）2+pFC’
C.绞链区
D.可变区
E.稳定区
参考答案：B
--- How is the man injured in the accident?
---- The doctor said if ________ in a proper way, he was likely to be saved.
A．treated
B．treating
C．is treated
D．to be treated
钢号用以表示钢的类别和（）。
