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世界上大多数国家实行的养老保险模式是()。
四、逻辑判断 每题给出一段陈述，这段陈述被假设是正确的，不容置疑的。要求你根据这段陈述，选择一个答案。注意：正确的答案应与所给的陈述相符合，不需要任何附加说明可以从陈述中直接推出。
第 86 题 天然产生的化学物质的结构一旦被公布，就不能取得这种化学物质的专利。但是在一 种天然产生的化学物质合成物被当做药物之前。它必须通过与人工合成药品一样严格的测试，最终在一份出版的报告中详细说明药品的结构和观察到的效果。
如果上述陈述正确，则以下哪项陈述也是正确的？（）
As prices and building costs keep rising, the "do-it-yourself"(DIY) trend(趋势)in the U.S. continues to grow.
"We needed furniture(家具)for our living room," says John Ross, "and we just didn't have enough money to buy it. So we decided to try making a few tables and chairs. "John got married six months ago, and like many young people these days, they are struggling to make a home at a time when the cost of living is very high. The Rosses took a 2-week course for ＄ 280 at a night school. Now they build all their furniture and make repairs around the house.
Jim Hatfield has three boys and his wife died. He has a full-time job at home as well as in a shoe making factory. Last month, he received a car repair bill for ＄ 420. "I was deeply upset about it. Now I've finished a car repair course, I should be able to fix the car by myself."
John and Jim are not unusual people. Most families in the country are doing everything they can to save money so they can fight the high cost of living. If you want to become a "do- it-yourself", you can go to DIY classes. And for those who don't have time to take a course, there are books that tell you how you can do things yourself.
We can learn from the text that many married people ______.
根据下图回答 111～115 题。
第 111 题 “十五”时期出口额增长速度最慢的年份是（）。
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