题目内容

强调产品组合的广度和关联性，产品组合的深度一般较小的产品组合策略的形式是（）。

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6月5目，大豆现货价格为2020元/吨，某农场对该价格比较满意，但大豆9月份才能收获出售，由于该农场担心大豆收获出售时现货市场价格下跌，从而减少收益。为了避免将来价格下跌带来的风险，该农场决定在大连商品交易所进行大豆套期保值。如果6月5日该农场卖出10手9月份大豆合约，成交价格2040元/吨，9月份在现货市场实际出售大豆时，买入10手9月份大豆合约平仓，成交价格2010元/吨。在不考虑佣金和手续费等费用的情况下，9月对冲平仓时基差应为（）元/吨能使该农场实现有净盈利的套期保值。

Passage Two
Most people want to work, but it has become more difficult in today's world to find work for everybody. The economies(经济) of the world need to grow by 4% each year just to keep the old number of jobs for people. Often this is not possible, and so more people are out of work(失业). Some people have no jobs now because new machines can do the work of many people in a short time. Also, machines do not ask for more money and longer holiday. In all of the countries of the world, machines are taking work from people, not only in factories but also on the farms. One machine can often do the work of forty people. About 75 000 people are moving to the cities a day to look for jobs, but only 70% of them can find jobs.
40. If tile economics of the world grow by 4% each year, ______.

A. people will have no jobs
B. people can still have jobs as before
C. 4% of the people will have jobs
D. 97% of the people will have jobs

在期货市场上，套利者（）扮演多头和空头的双重角色。

建仓时，投机者应在（）。