第18题:[单项选择]<BR><BR><DIV><TABLEcellSpacing=0cellPadding=0width="100%"border=0><TBODY><TR><TDvAlign=topwidth="100%"></TD></TR></TBODY></TABLE></DIV><br/>A.At10:13.<br/>B.At10:30.<br/>C.At10:00.<br/>D.At12:30.<br/>参考答案:B 答案解析:[听力原文]
M: It’s just ten o’clock. Can’t you stay a little longer
W: I’m afraid I must go now. I ha
第29题:[多选题]Which of the following structures compose the tricuspid complex? A.fibrous ring of right atrioventricular orifice B.tricuspid valve C.papillary muscle D.chordae tendineae (腱索) E.moderator band 参考答案:ABCD