皮皮学，免费搜题
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【单选题】
餐饮成本与利润的和构成产品的（）A.
销售价格
B.
毛利额
C.
成本
D.
营业费用
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【判断题】According to the author, schools should be blamed for students' insufficient language skills. (Unit 1 An Impressive English Lesson)
A.
正确
B.
错误
【简答题】Malcolm X's great disappointment at his inability to read and write pushed him to start a search for ways to improve his insufficient language skills.
【简答题】Cooling Problem Solvers Problem Cause Cure Overcooling 1. Inoperative thermostat 2. Inaccurate temperature gauge 1. Replace thermostat. 2. Replace temperature (gauge, cylinder). Poor circulation 1. Re...
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