Y101型杂质分析机主要由机架、给棉装置、（）、集棉尘笼、风扇及传动装置等部分组成。
参考答案：刺辊部分
---- Your sister isn’t a nurse, is she?
----- ________. She teaches English in a middle school.
A. No, she isn’t B. yes, she is C. Yes, she isn’t
