货物主标志应在主要货运单证如（）上记载。
A．装货清单
B．收货单
C．托运单
D．装货单
参考答案：D
I didn’t make sense of _______poem until I read it _______ third time.
A．the; the
B．a; the
C．the; a
D．a, a
说明HBV感染已愈的指标是( )
A．HBsAg(+)HBeAg(-)HBV-DNA(-)B．HBsAg(+)HBeAg(+)HBV-DNA(+)C．HBsAg(-)抗HBs(+)抗HBe(+)D．HBsAg(+)HBeAg(-)抗-HBc(+)E．HBsAg(+)HBeAg(-)HBV-DNA(+)
