某消费者居住在A地，在甲、乙、丙、丁有四处商家销售同一产品，根据商家各自到A地的距离和他们的营业面积，假设消费者对距离的

某消费者居住在A地，在甲、乙、丙、丁有四处商家销售同一产品，根据商家各自到A地的距离和他们的营业面积，假设消费者对距离的敏感系数是（λ＝1），则消费者到四处商家

分类：英语  题型：单选题
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（　） In bungee jumping, you__________.

（　） In bungee jumping, you__________. A．jump as high as you can B．slide down a r

分类：英语  题型：单选题
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A few years ago it was fashionable( 流行的)to speak of a genera

A few years ago it was fashionable( 流行的)to speak of a generation gap, a division

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（　）They knew her very well. They had seen her __________ up

（　）They knew her very well. They had seen her __________ up from childhood. A．gr

分类：英语  题型：单选题
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（　）A worker and writer __________ going to give us a report

（　）A worker and writer __________ going to give us a report next Sunday. A．are B

分类：英语  题型：单选题
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