“瘦人多火”是指
A．形体消瘦
B．形瘦少食
C．形瘦多食
D．胸廓狭窄
E．皮肤枯槁
参考答案：C
计算（x2-xn-1-x1+n）3的结果为（ ）
A．x3n+3
B．x6n+3
C．x12n
D．x6n+6
---Would you like to go to see a film with me tonight?
--- _______ , but I have a visiting friend now.
A．I would
B．I'd like to
C．I'd be happy
D．I'd prefer
