刺法,古称();灸法,古称()
参考答案:砭制;灸炳
航行安全信息对船舶的安全航行具有至关重要的意义,对航行安全信息必须()。①及时发布②顺畅传播③保证接获④认真处置
A.①②③
B.②③④
C.①③④
D.①②③④
Is there anyone in your class ________ family is in the country?
A.who
B.who's
C.which
D.whose