肺的前缘(),右肺前缘近于垂直,左肺前缘下半有一明显缺口,称(),切迹下端有一向前内方的舌状突起,称()。
参考答案:锐利;心切迹;左肺小舌
She was so angry at he was doing she walked out, and closed the door heavily behind her.
A.what, that
B.that, what
C.that, that
D.what, what
在CAN系统中,进行信号发送和接收的是()。
A.数据线
B.传输终端
C.控制器
D.收发器