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举一反三
【单选题】Ladies and gentlemen, welcome to Dalian, a famous summer resort ( 避暑胜地 ) and one of the best tourist cities in China. With clear sky, green mountains, blue seas, fine beaches, clean streets and lovely...
A.
comes in the best season.
B.
is here to join more tourists
C.
may not stand the heat here.
D.
is traveling back home.
【单选题】CT检查测量椎管的矢状径是（）
A.
椎体后缘至椎弓根后缘间距
B.
椎体后缘至棘突基底部间距
C.
椎体上后缘至上关节突后缘间距
D.
椎体下后缘至椎弓根后缘间距
E.
椎体后缘皮质至上关节突后缘间距