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列式数据库（如Big Table和HBase）以表的形式存储数据，表结构包括（）等元素。
A.行键
B.时间戳
C.列簇
D.数据类型
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.行键
B.时间戳
C.列簇
D.数据类型
如果结果不匹配，请 联系老师 获取答案
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Whether at home or in a restaurant, meals in Brazil are sacred(神圣的) ; a time to eat, but also to share precious moments with family and friends. Now, here's a Brazilian custom I miss enormously: a decent, sit-down, leisurely-paced lunch and/or dinner. To this day, I have to keep reminding myself, "what's the big hurry？ " and I confess that one of the things I look forward to, when I go to Brazil, is the "family" meal. We have a joke that, if you see people sitting around a table in the US, having lunch for longer than 1/2 hour, it must be a business lunch. And also, sitting at your desk and eating lunch while you work is incomprehensible to most Brazilians, who leave their offices to eat with their colleagues and friends in restaurants and cafes. You guess, lunch is usually a more substantial meal than in the U.S.
(68) For lunch and, depending on the location, also dinner, Brazilians have wonderful, inexpensive restaurants where home-style. meals are sold by kilo. You just pile the food on your plate and someone will weigh it for you. The same goes for desserts. You order drinks from your waiter and pay him at the end of your meal.
Dinner is served much later than in the U. S. In the big cities, children are a common sight in restaurants at night, since Brazilians will take their kids out to dinner at all hours. As a result of this and the traditional Sunday lunches, Brazilian kids learn table manners at an early age. For many of my Brazilian friends, dinner is a lighter meal of bread, cheese and cold cuts. So expect either type of meal.
In Brazil, people usually have meals______.
A．in a hurry at restaurants
B．in a leisurely manner
C．at their desk in the office
D．for less than 1/2 hour
Supper time came and the boys went into the house again. When they walked past the landlord‘s room， they looked in through the window. What do you think they saw there？ They saw a big table with white bread and all kinds of good food on it. The landlord and his family were sitting around the table and eating their dinner. But the food for the boys was bad. The boys were very angry. They wanted to teach the landlord a lesson. So they decided to plant his garlic upside down. And that was what they did the next day.
A few days later the garlic was coming out everywhere but not in the landlord‘s fields. The landlord was very surprised and asked the boys why this was so. “The garlic is afraid that the dogs will bite it，” the boys answered.
The landlord asked the boys to come because ________.
A.he wanted them to plant garlic for him
B.he wanted to invite them to have lunch with his family
C.he wanted to tell them to sit by the door
D.he wanted them to plant vegetables for him
