利用同一合约在不同市场上可能存在的短暂价格差异进行买卖、赚驭_爱下问搜题

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问题单项选择题

利用同一合约在不同市场上可能存在的短暂价格差异进行买卖、赚驭差价的行为是（）。

A．跨期限套利

B．跨品种套利

C．跨行业套利

D．跨市场套利

答案

参考答案：D

解析：

套利的理论基础在于经济学中的一价定律，即忽略交易费用的差异，同一商品只能有一个价格。严格意义上的期货套利是指利用同一合约在不同市场上可能存在的短暂价格差异进行买卖、赚取差价，称为跨市场套利。

选择题

2012年底，全国人大常委会表决通过了《关于加强网络信息保护的决定》，其中规定：任何组织和个人不得窃取或者以其他非法方式获取公民个人电子信息，不得出售或者非法向他人提供公民个人电子信息，这说明[ ]

①执法机关任何情况下不得获取、公开当事人信息

②信息时代，个人隐私被披露的可能性越来越大

③公开他人的隐私是只是不道德行为

④公开他人隐私是违法行为

⑤个人隐私是指公民个人信息

A．①②③④⑤

B．②③⑤

C．②④

D．①③④

完形填空

It’s Saturday morning. Tony’s sitting at the kitchen table, 36  with a piece of bread. He’s not even   37 . Is he ill? No, but he does have a   38  .He has nothing to do becau se the Internet is down. When he   39  up this morning, Tony was feeling   40  . He jumped out of bed full of plans for the   41 ahead. It would be a weekend like any other---a great weekend. But that was before he turned on his   42  and found he was   43  to go online. Having no Internet changes everything.
Every weekend, Tony 44  goes online to email friends, reads the   45  to keep up with what’s happening in the world and   46  a few online chess games with his cousin Helen to finish the weekend off. The perfect weekend---online!
Just as Tony is wondering how he can possibly have a normal weekend   47  the Internet, his mum walks into the   48 . “Cheer up, Tony. Don’t   49  the Internet any more, OK?” Tony makes no   50  but sighs (叹气).“Go and play chess with Helen!” Tony’s mum  51  .
“Oh, yes! Helen   52  just around the corner. We can meet and play chess face   53  face for a change. Maybe this weekend won’t be so bad,” Tony   54  , as he walks to the phone. There is    55   without the Internet after all.

B．disappointed

A．living-room

C．think about