以下关于需求价格弹性影响因素的说法中，正确的有（）。
A.奢侈品需求弹性大
B.生活基本必需品的需求缺乏弹性
C.一种商品的用途越多，它的需求弹性越大
D.一种商品若有极少的替代品，则该商品的需求弹性大
E.时间越短，商品的需求弹性越缺乏
参考答案：A, B, C, E
解析：本题考查需求价格弹性的影响因素。一种商品若有许多相近的替代品，则其需求价格弹性大，所以选项D说法错误。
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| After the earthquake took place (发生), I found 1 in the dark. I couldn't move. The bottom (底部) parts of 2 my legs and my feet were hurting 3 . All around me was quiet. But below me I could hear shouts and a lot of noise. Then I remembered 4 had happened, I had been in an earthquake. For about two hours nobody came. 5 I could reach the bag of apples, so at least I had much to eat. Then I heard people 6 to me. A team of people had come to see 7 anyone was under the broken road. I called out "I'm here!" I heard a shout. Soon a stranger climbed to the bridge near my car. "How are you doing?" he asked. "Not too bad," I said. "but my feet and legs feel 8 they're broken", "we'll do our best 9 you out of there," he said. They didn't get me out 10 the next morning. I had been in my car for fourteen hours. | ||||
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