铁水温度主要取决于（），喷吹后中心气流发展，炉缸中心温度普遍提高。
参考答案：炉缸中心温度
I have worked with him for some time and have found that he is ________ than John.
A．more efficiently a worker
B．a more efficient worker
C．more an efficient worker
D．a worker more efficiently
企业网上银行普及版为客户提供了下列哪些功能（）.
A.账户查询
B.修改密码
C.首页定制
D.在线挂失
