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What do we learn from this conversation（）
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Passage 3 Taste is such a subjective matter that we don’t usually conduct preference tests for food. The most you can say about anyone’s preference, is that it’s one person’s opinion. But because the two big cola(乐饮料)companies--Coca- Cola and Pepsi Cola are marketed so aggressively, we’ve wondered how big a role taste preference actually plays in brand loyalty. We set up a taste test that challenged people who identified themselves as either Coca- Cola or Pepsi fans: Find your brand in a blind tasting. We invited staff volunteers who had a strong liking for either Coca - Cola Classic (传统型) or Pepsi, Diet(低糖)Coke, or Diet Pepsi. These were people who thought they’d have no trouble telling their brand from the other brand. We eventually located 19 regular cola drinkers and 27 diet cola drinkers. (80)Then we fed them four unidentified samples of cola one at a time, regular colas for the one group, diet versions for the other. We asked them to tell us whether each sample was Coke or Pepsi; then we analyzed the r6cords statistically to compare the participants’ choices with what mere guess - work could have accomplished. Getting all four samples right was a tough test, but not too tough, we thought, for people who believed they could recognize their brand. In the end, only 7 out of 19 regular cola drinkers correctly identified their brand of choice in all four trials. The diet - cola drinkers did a little worse--only 7 of 27 identified all four samples correctly. While both groups did better than chance would predict, nearly half the participants in each group made the wrong choice two or more times. Two people got all four samples wrong. Overall, half the participants did about as well on the last round of tasting as on the first, so fatigue, or taste burnout, was not a factor. Our preference test results suggest that only a few Pepsi participants and Coke fans may really be able to tell their favorite brand by taste and price. According to the passage the preference test was conducted in order to ______.
They have found that laughter really can improve people’s health.
Passage 2 Don Bruns of Lima, Ohio, and his 11- year-old son, Aaron, love baseball, and the Cincinnati Reds in particular. For, Aaron’s birthday last October, his dad decided to drive him to Cincinnati more than two hours away, for the first game of the World Series. They had no tickets but hoped to buy a pair from scalpers. After arriving at Riverfront Stadium, the Brunses walked the streets for two hours. Aaron wearing a Reds cap, his father carrying a sign that said "We Need 2 Tickets." "There were a lot of scalpers," the father said." But the cheapest ticket was $1075 a piece. I couldn’t afford that." And Aaron understood. Then the boy and his father were approached by Michael Teicher, who worked for a company that produces baseball highlight show for TV. Teicher pulled out a pair of tickets and handed them to Bruns. "How much do you want" Bruns asked. "No charge," said Teicher, "Enjoy the game." When asked later, Teicher explained: "I was working for a man named Joe Podesta who hadn’t missed a World Series in 16 years. (78)But he’d had a mild heart attack in September and couldn’t make it this time. So he told me to give the two tickets away. The only ground rule he set was to give the tickets to people I thought would be thrilled." Teieher walked around town for some time before seeing Don and Aaron Bruns. "A lot of people looked like they might just take the tickets and sell them," Teicher said, "Then I saw this guy and his son, a nice - looking skinny kid with glasses, and he seemed very disappointed. (79) They reminded me of my dad and me when I was a kid. I would have died to go to a World Series game with my father. But I never did." How important was it to Don Bruns and his son Here is what Bruns said: "It’s the most memorable thing that ever happened to us. My boy and I must have turned to each other 30 times during the game and said ’I can’t believe this.’ We’ll never forget that night." Whom do the two tickets belong to originally
李甲与李乙是父子关系，李甲是农民，年老多病，李乙则在县城经商，经济条件较好，李甲因李乙长期不给赡养费致生活困难。因此，李甲诉至法院，要求法院判处李乙每月给付生活费100元，法院依法判决李乙给付李甲每月生活费80元，二人均服判。3年以后，由于生活费用增加，李甲身体不好，医疗费增多，遂再次向法院起诉。要求李乙增加赡养费。如果李甲居住在A县，李乙居住在B县，此外李甲还有一子居住在C县，一女居住在D县，李甲起诉追索赡养费，哪些法院有管辖权( )
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