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问题 单项选择题

在融资租赁合同项下，对租赁物的最终归属没有约定或者依法不能确定的，归（）。

A．出租人

B．承租人

C．出卖人

D．第三人

答案

参考答案：A

解析：

根据《合同法》第250条的规定，A项是正确答案。

听力题

When I was 19，I had got a job in my local bookstore. Living in the large city，I usually saw many strange customers(顾客)，most of  1  were teenagers. They didn’t come often；I forgot all the customers  2  two. One night a 15-year-old girl came in looking for a book with a boy. They seemed to find what they wanted to buy. But  3  they came to the counter（柜台），the girl found she was a dollar or two short to buy the book，and she took

4 all her money to prove it. She looked so disappointed. Just then I remembered my discount card and 5  was still active，so I told the girl   6  to worry. I put in my code（密码），being happy that I could help them with this card. With the book in her hand she gave me  7   thankful smile，and then she and the boy got out of the store happily，leaving me feeling content，too.  8 fact, sometimes a little thing can also make one’s world beautiful.
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计算题

如图所示，小型牵引车通过滑轮组匀速打捞起深井中的物体，已知物体重1.2×103N，密度为1.6×103 kg/m3，测得物体在出水前、后牵引车作用在绳子上的拉力之比为1:2。若不计摩擦、绳重及水的阻力，g取10N/kg。问：

（1）物体出水前，滑轮组的机械效率是多少?

（2）物体出水面后上升的速度是1m/s，牵引车拉力的功率为多大?

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