输纸部件一般由（）机构组成。
A.分纸
B.升纸
C.输纸
D.气路系统及自动控制
E.收纸装置
参考答案：A, B, C, D
– You have tried on several shirts.
-- Sorry to take up too much of your time. But _______of them look good on me.
A．neither
B．any
C．none
D．both
中国证监会规定“不得高于”一定标准的风险监管指标，其预警标准是规定标准的（）。
A．50%
B．80%
C．100%
D．120%
