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【判断题】
总效用决定产品的价格,而边际效用决定了消费的数量A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】内桥接线适用于情况；外桥接线适用于情况。
【单选题】When the author says 'I gave up' at the end, he means ______.
A.
he gave up his belief in the moral idea of the hare-and-tortoise story
B.
he gave up arguing with Tony
C.
he gave up Tony as a hopeless child
D.
he gave up trying to keep up with the new generation
【单选题】When the writer says 'I gave up' at the end，he means ______.
A.
he gave up his belief in the moral idea of the hare and tortoise story
B.
he gave up arguing with Sonny
C.
he gave up Sonny as a hopeless child
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