对小型轴瓦浇注巴氏合金时，一般经过以下三个步骤，即清理轴瓦、对轴瓦（）、浇注巴氏合金。
A、刷防锈漆
B、镀锡
C、镀锌
D、刷银粉
参考答案：B
_________ difficult and challenging the task may be, we must finish it on time, because there is a possibility _________we’ll be fired if we can’t fulfill the task on time．
A．Whatever; that
B．However; that
C．Whatever; which
D．However; as
根据《侵权责任法》的规定，承担侵权责任的方式主要有（）。
A.返还财产
B.赔偿损失
C.赔礼道歉
D.恢复原状
E.罚款
