主油泵供给调节及润滑油系统用油，要求其扬程-流量特性较陡。
参考答案：错
I hope _____ a doctor like your father. [ ]
A. being
B. to be
C. you to be
D.you were
下列哪项指标与SLE活动密切相关（）
A.补体降低
B.Ig水平增高
C.血沉增高
D.ANA滴度增高
E.抗血小板抗体滴度增高
