构成条形码的基本单位是( )。
A.条
B.模块
C.空
D.单元
参考答案:B
—I think animals should live in zoos.
—I don’t agree _______ you. I think they should live in forests.
A.on
B.in
C.to
D.With
活动性风湿性心脏病时,阿绍夫小体常见部位是()
A.心外膜内
B.心内膜下
C.心瓣膜内
D.心肌间质
E.心肌传导系统