With the ______ of making a fortune,many people went to Australia in the 19th century to wash sand

for gold.      [ ]

A. task        

B. intention        

C. trade          

D. appointment

如未能确诊，拟行手术，应采用何种术式

A．结节切除术

B．患侧腺体全切

C．颈部淋巴结清扫

D．患侧腺体大部切．除加冰冻切片检查

E．患侧全切，峡部切除，对侧大部切除