气管隆突是指气管()
A.分叉处下方
B.分叉部左壁
C.分叉部上壁
D.分叉部右壁
E.分叉部下壁
参考答案:E
--Let’s go to watch the 3D film “Avanta”, shall we?
--Sorry, I can’t ______ to watch it because I have donated all my pocket money.
A.buy
B.offer
C.wait
D.afford
客货分线的客运线路:未被平衡欠超高,不应大于(),困难情况下不应大于()。
A.40mm
B.60mm
C.80mm
D.180mm