问题
单项选择题
某施工企业欲租用一种施工设备。与商家甲谈妥每月租金2000元，并支付了定金200元，定金不可退还，此后又有商家乙愿以每月1700元出租同样的设备。如果重新进行租用设备方案的比选，则沉没成本为( )元。
A．200
B．300
C．1700
D．1900
答案
参考答案：A
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某施工企业欲租用一种施工设备。与商家甲谈妥每月租金2000元，并支付了定金200元，定金不可退还，此后又有商家乙愿以每月1700元出租同样的设备。如果重新进行租用设备方案的比选，则沉没成本为( )元。
A．200
B．300
C．1700
D．1900
参考答案：A
| 完形填空。 | |||
| One morning, a crow (乌鸦) sits __1__ an apple tree. There __2__ some meat in her mouth. She wants to give it to __3__. __4__ old fox looks for (寻找) his food. He __5__ the crow and the meat. He wants to get the __6__. So he says to the crow, "Good morning, Mrs. Crow. __7__ are you?" But the crow doesn't say a word. So the fox says to the crow again, "You are nice.Your clothes (衣服) are nice, too. I like your songs __8__. Please sing a song for __9__." Mrs. Crow is very happy. So she opens her mouth and sings. The meat drops down (掉下) into __10__ mouth. | |||
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