皮皮学，免费搜题
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搜题
【单选题】
商业利润的真正来源是A.
商业店员的剩余劳动
B.
流通领域中商品的加价
C.
商品的销售价格与购买价格的差额
D.
产业工人所创造的剩余价值的一部分
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
【简答题】The O-ring was brittle __________the weather was cold.
【简答题】The weather was cold and wet. _____, we had great time
【判断题】Listen to the conversation and decide the following statements are True or False. 11. The man did go the concert because the weather was cold.
A.
正确
B.
错误
【简答题】Since the weather was cold, James did not have any desire for a swim.
【单选题】The weather was cold, but the trip was________.
A.
pleasant
B.
pleasure
C.
pleased
D.
pleasing