问题
多项选择题
下列选项中，属于债券范畴的是（）。
A.股票型债券
B.金融债券
C.政府债券
D.国债
答案
参考答案：B, C, D
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下列选项中，属于债券范畴的是（）。
A.股票型债券
B.金融债券
C.政府债券
D.国债
参考答案：B, C, D
The faster way to travel in a city is by subway. In many big cities, there 1 usually more than one subway lines. How to travel by 2 ? Here is something to know 3 you travel by subway. First, you should choose the right line. If you don't, you will have to get off and take 4 one. Second, you need some coins (硬币) to buy your 5 . In 6 of the ticket machines, only coins are used. You can change (换) 7 at the ticket office. If you have a prepaid (预付款) card, you can just go ahead. After you buy the ticket, you should 8 the train behind a yellow line. You 9 stand too close to the yellow line. It's 10
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