— Must I do it now?
— No, you____.[ ]
A. won't
B. needn't
C. can't
D. don't
答案:B
下列哪项是霍乱的病理变化()
A.肠粘膜有炎症性改变,表浅溃疡
B.肾有变性及炎症性改变
C.心、肝、脾无出血性变化
D.胆囊无胆汁
E.严重脱水现象,肌肉及组织干瘪
高尔夫经纪人