2009版保养制度中规定,JNP6120G-1系列车型大三级保养作业时,应按照要求更换ZF转向横拉杆。
参考答案:错
支气管哮喘病人PaCO2增高表示()
A.没有临床意义
B.病情好转
C.病情严重
D.发作早期
E.呼吸性碱中毒
Rarely ________ such a silly thing.
A.have I heard of
B.I have heard of
C.I have been hearing of
D.have I heard from