渗出、变性和增生是下列哪种病变的基本病理变化( )
A.肿瘤
B.炎症
C.视神经萎缩
D.青光眼
E.白内障
参考答案:B
He seems poor, but I ____ that he has quite a lot of money. [ ]
A. wonder
B. suspect
C. convince
D. assure
装卸货期间,调整双吊杆时应注意的事项有:()
①、由值班驾驶员指挥值班水手进行调整作业;
②、舷内吊杆仰角不宜过低;
③、保险稳索的布置应力求加大其与吊杆的水平投影夹角
A.①、②
B.②、③
C.①、③
D.①、②、③