鼻腔黏膜分为______和______两部分。
参考答案：嗅区黏膜 呼吸区黏膜
The new car ______ much more than I _______ it.
A．cost, paid
B．spent, paid
C．cost, paid for
D．spent, paid for
市盈率不能用于不同行业公司的比较。（）
