查看cars数据； 查看cars的类型 查看cars的分量名
查看cars数据； 查看cars的类型 查看cars的分量名
参考答案和解析
数据框 (Data Frame )
相关考题：
Over a holiday weekend, a certain car dealer sold off 4 of the cars on its lot. If the cars sold for an average of $6,000 each, how many cars were on the dealer's lot at the beginning of the weekend?(1) The average value of the remaining cars on the lot is $5,000.(2) The car dealer made $48,000 in car sales over the weekend.
If the ratio of brown cars to blue cars in a certain parking lot is 2:3, how many brown cars are in the lot?(1) There are 15 blue cars in the lot.(2) There are 25 cars total in the lot.
III阅读理解（20分）AThere are many different kinds of cars in the world． My uncle thinks this is because cars are like their drivers． He says: "Rich people have expensive cars，big people have large cars，and old people drive old cars． "But I don-t agree with him．My neighbor，Mrs Hill，is 82 years old． She drives only to the bank on Tuesdays． She never drives more than 30 kilometers an hour． Do you think Mrs Hill has a very old and small car? No! Her car is new．lt-s very large，and it can g0 200 kilometers an hour!My friend Mike is an artist． He draws beautiful pictures with lots of colors． But his car is black! Mrs Bates has a very，very old car．lt often has engine trouble． Does she drive that kind of car because she is poor? No，she has four factories and two million dollars in the bank． My aunt Mary has a very small car． Every Sunday，she．drives to the country with her husband，her three children，her mother and their dog．Now，you have read about some people and their cars． Do you agree with my uncle? Maybe your family have cars． Do you want to say something about them?'( )21． What does the writer-s uncle think of cars and their drivers?A． Big people drive small cars．B． Old people drive new cars．C． Poor people have expensive cars．D． Rich people have dear cars．
资料：“Our cars are for people who want something different.”This has been the slogan for over 50 years of Suprema Cars, a manufacturer of an English sports car. The car is mostly handmade in the company's factory in northern England. Suprema Car produces approximately 500 cars a year. About 5 years ago, the company began to lose sales and market share, and in the last two years, it has made a loss.Recently, there have been problems with the labor force. The factory workers have demand higher wages and better working conditions. They are also unhappy because the management is insisting that they increase production, but the workers think this will have a bad effect on the quality of the cars.The company still has many loyal customers. People buy Suprema sports cars because they are handmade and have an image of quality and craftsmanship.Which of the following is NOT a problem that Suprema Cars is facing?A.Customers’ distrust of products.B.A financial loss.C.Unhappy workers.D.Loss on sales and market share.
资料：“Our cars are for people who want something different.”This has been the slogan for over 50 years of Suprema Cars, a manufacturer of an English sports car. The car is mostly handmade in the company's factory in northern England. Suprema Car produces approximately 500 cars a year. About 5 years ago, the company began to lose sales and market share, and in the last two years, it has made a loss.Recently, there have been problems with the labor force. The factory workers have demand higher wages and better working conditions. They are also unhappy because the management is insisting that they increase production, but the workers think this will have a bad effect on the quality of the cars.The company still has many loyal customers. People buy Suprema sports cars because they are handmade and have an image of quality and craftsmanship.What kind services does Suprema Cars provide? A.It designs classic car models.B.It produces hand-made cars.C.It research and develop car-related technologies.D.It creates advertisements for the cars.
研判分析--矛盾纠纷排查调处中，可以查看上个月各类型事件排行前10名的事件，其他类型的事件如何查看（）A、无法查看B、需要到矛盾纠纷排查调处中查看C、在研判分析-矛盾纠纷调处总况中查看D、可以点击展开全部类型列表按钮查看全部类型事件排名
单选题Which of the following is true according to the fourth paragraph?AMore and more Japanese cars are sold in Detroit recently.BDomestic cars still hold the bigger market share in America.CChrysler’s market share has never been surpassed by Toyota.DKorean cars are less popular than Japanese cars in America.
单选题Professional car thieves are interested in dust-free American cars because ______.Athey have enough time to dispose of the stolen carsBthey have a special interest in American carsCAmerican cars are popular among the dealersDAmerican cars are usually new and expensive
单选题The passage mainly tells us _____.Atwo important ways to keep safe in carsBhow air bags work to make cars safeChow seat belts work to make cars safeDwhy we must tie the egg to the skateboard
单选题研判分析--矛盾纠纷排查调处中，可以查看上个月各类型事件排行前10名的事件，其他类型的事件如何查看（）A无法查看B需要到矛盾纠纷排查调处中查看C在研判分析-矛盾纠纷调处总况中查看D可以点击展开全部类型列表按钮查看全部类型事件排名
单选题Which of the following statements is TRUE?APeople with seat belts tied will always be safe in cars.BVolvo was the first carmaker to use seat belts in cars.CAir bags will come out before the cars hit something.DAll cars have air bags in front of the seats.
单选题The number of the cars in our neighborhood is about eight ______, and ______ of them are new cars.Ahundred; two thirdsBhundred; two thirdChundreds; two thirdsDhundreds; two third
单选题If remote-controlled cars are more expensive than mechanical cars, and radio-controlled cars are more expensive than remote-controlled cars, which of the following statements must be true?AMechanical cars are the most expensive.BRadio-controlled cars are the most expensive.CRadio-controlled cars are cheaper than remote-controlled cars.DMechanical cars are more expensive than remote-controlled cars.
单选题It didn’t take long for Henry FordAto turn out a few hundred cars a year.Bto cut the production of his cars by 50％.Cto reduce the price of his cars to $260.
单选题What does the author intend to illustrate with AAAA cars and Zodiac cars?AA kind of overlooked inequality.BA type of conspicuous bias.CA type of personal prejudice.DA kind of brand discrimination.
单选题Why can’t the cars made by European manufacturer sell well in China?AThe quality of the cars is not good enough.BThe price of the cars is too high for Chinese buyers.CThe cars do not cater for the Chinese buyers.DThe Chinese buyers do not quite know what good cars are.
单选题A car manufacturer periodically discounts certain car models to its dealers to coincide with intensive advertising campaigns focused on those cars. After analyzing the results of this program, the manufacturer found that sales of the discounted cars was strong, but it also concluded that it could reap greater profits if it did not hold promotions in this way. Which of the following statements, if true, best accounts for the manufacturer’s conclusion about profitability?ASome consumers worry that discounted cars are more likely to be defective.BThe car manufacturer had not been effective in controlling the production costs of the cars, and these rising costs ate into the manufacturer’s profits.CAlthough dealers requested large numbers of the cars at discounted prices, they generally sold the cars at the normal retail price, thereby keeping more of the profit for themselves.DMany consumers buy large-ticket items, such as cars, only when they are on sale.EThe manufacturer’s intensive advertising campaign did not sufficiently emphasize the cars’ high levels of performance on road tests.
单选题Air bags are important for cars because _____.Athey are made of plasticBthey can also help us to keep safe in a carCthey can keep cars running slowlyDthey are put in front of and next to the seats