胸部侧位片,纵隔的划分包括()
A.前纵隔
B.左纵隔
C.中纵隔
D.右纵隔
E.后纵隔
参考答案:A, C, E
This morning I went to work in such a hurry that I ___________ the key to my office at home.
A.left
B.forgot
C.missed
D.lost
“破镜不能重圆”是因将玻璃合起来时,镜子断裂处绝大多数分子距离 _________ ,分子间没有 _________ .