_____ knows how to look after the e-dog.[ ]
A. We
B. Everyone
C. I
D. My parents
答案:B
汽车在检测场用制动试验台检测制动力的要求是:在空载状况下制动力总和与整车质量的百分比是()
A、≥50
B、≥40
C、≥60
D、≥30
厌食的原因,应除外()
A.暴食伤胃
B.胃强脾弱
C.湿热中阻
D.妊娠恶阻
E.肝胆湿热