题目内容
道路交通违法行为人应当在()内到公安机关交通管理部门接受处理。无正当理由逾期未接受处理的,吊销机动车驾驶证。
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在我国会计实务中,一般不对应收票据计提坏帐准备,但超过承兑期收不回而转入应收帐款的债权,则可计提坏帐准备。()
国债回购交易的期限,通常为一个营业日。最长可达(),而且还可以签订连续性合同。
M: I'd be happy to help you. What would you like to know？
W: First of all, how was the standard weight used？
M: Well, the people in our department use it to check the scales all over the country. The department of weights and measures, we are a government agency. It's our responsibility to see that all the scales measure a kilogram accurately so this is the way we use to adjust the scales.
W: How did you check the scales before？
M: We have an old standard weight that we used to use. It had to be replaced because it was imprecise. Yon see it was made of poor quality metal that was too porous. It absorbed too much moisture.
W:Oh. So when the weather was humid it weighed more and when it was dry it weighed less.
M: Exactly. And that variation can affect the standards of the whole country. So our department had the new weight make out of higher quality metal.
W: How much did it cost？
M: About 45 thousand dollars.
W: 45,000 dollars？ For one kilogram weight？ That's more expensive than gold. Is it really worth that much？
M: I'm sure it is. Industries depend on our government agency to monitor the accuracy of scales so that when they buy and sell their products there is one standard. Think of the drug industry, for example, those companies rely on high accuracy scales to manufacture and package medicine.
What is the conversation mainly about？
一方面，期货交易以现货交易为基础，另一方面，没有期货交易，现货交易的价格波动风险无法规避。()
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