冠心病前间壁梗塞常有那支冠状动脉阻塞
A、左冠状动脉主干
B、左冠状动脉前降支
C、左冠状动脉回旋支
D、右冠状动脉
E、右冠状动脉后降支
参考答案：B
As we all know, Lost in Thailand is a very successful movie, the cost of ______ is only 30 million yuan.
A．which
B．that
C．whose
D．whom
【 】是一种信息隐蔽技术，目的在于将对象的使用者和对象的设计者分开。
