Everybody knows that colors are connected with certain feelings. For example, why do some people paint the walls of their rooms yellow and others pink? The same is true in stores. They want us to feel something when we look at their products. Green, for example, tries to show the quality of a product: how good it is for us or for our environment. It also suggests that the product is healthier, has less fat and maybe fewer calories. Red, on the other hand is an aggressive color that is often used for packaging food. Red wants us to become hungry or thirsty. Purple is a kind of color that is often seen as royal. It indicates that it is something special. Producers use purple to show that something is of good quality. Blue is not very often found in food packaging because there are not very many foods that have a blue color. Colors can also have different meaning in different cultures and countries. For example, while the color white is used in many Western countries to represent purity and innocence, it is seen as a symbol of mourning in many Eastern countries. The Egyptian pharaohs  wore white crowns. A white sale is a sale of sheets, towels, and other bed and bath items. A white flag is the universal symbol for truce . A white elephant is a rare, pale elephant sacred  to the people of India, Thailand, Burma, and Sri Lanka. In these countries, something that is a white elephant is either a possession that costs more than it is worth to keep or an item that the owner doesn't want but can't get rid of. Consumers are aware that certain foods must have certain colors. When Pepsi brought out a crystal clear cola in 1992, it thought that consumers would buy it because clear meant pure and healthy. After a few months Pepsi found out that a cola had to be dark-colored. Crystal Pepsi failed and the company pulled it off the market. Advertising professionals often need to look at a product through the consumers' eyes when choosing a color. The right packaging colors can truly improve the sales of a product but choosing... According to the passage, in India if something is expensive but useless, it can be called      _   . A) a white flag B) a white elephant C) a white sale D) a white crown
B
------
The bicycling craze came in when we were just about at the right age to enjoy it. At first even "safety" bicycles were too dangerous and improper for ladies to ride, and they had to have tricycles. My mother had (I believe) the first female tricycle in Cambridge; and I had a little one, and we used to go out for family rides, all together; my father in front on a bicycle, and my poor brother Charles standing miserably on the bar behind my mother. I found it very hard work, pounding  away on my hard tyres; a glorious, but not a pleasurable pastime. Then, one day at lunch, my father said he had just seen a new kind of tyre, filled up with air, and he thought it might be a success. And soon after that everyone had bicycles, ladies and all; and bicycling became the smart thing, and the lords and ladies had their pictures in the papers, riding along in the park, in straw hats. My mother must have fallen off her bicycle pretty often, for I remember seeing the most appalling cuts and bruises  on her legs. But she never complained, and always kept these accidents to herself. However, the great Mrs. Phillips, our cook, always knew all about them; as indeed she knew practically everything that ever happened. She used to draw us into the servants' hall to tell us privately: "Her Ladyship had a nasty fall yesterday; she cut both her knees and sprained her wrist. But don't let her know I told you." So we never dared say anything. Similar little accidents used to occur when, at the age of nearly seventy, she insisted on learning to drive a car. She never mastered the art of reversing , and was in every way an unconventional and terrifying driver. Mrs. Phillips used then to tell us: "Her Ladyship ran into the back of a milk-cart yesterday; but it wasn't much hurt"; or "A policeman stopped her Ladyship because she was on the wrong side of the road; but she said she didn't know what the white line on the road meant, so he explained and let her go on." Mrs. Phillips must have had an excellent Intelligence Service at her... The writer admired Mrs. Phillips because   _  . A) she was the best cook they had ever had B) she was in command of all the servants C) she had an outstanding ability to gather information D) she could keep secrets
C
------
Ask anyone what is the most difficult part of changing their lifestyle habits and they are most likely to say, "Staying motivated." But a 36-year-old professor from Carnegie Mellon University claims it may have the answer in the form of robot weight loss coach that dishes out daily health advice and encouragement. Autom is the work of Intuitive Automata, a company based in Sha Tin which claims to be a pioneer in commercial socially-interactive robots. The robot, which stands around 38 centimeters tall, has a head that swivels  , blue eyes, and a touch screen which allows the user to input information daily about exercise and diet Its creators say Autom will have a daily conversation with its user lasting up to five minutes, giving feedback and encouragement.Over time, it will interact more with the user as it gathers more information about them. Cory Krdd, a research team manager with the Federal Emergency Management Agency claims research has shown that people find robots a more reliable source of information than on-screen-based character. In a controlled study in Pittsburgh City Council, 15 dieters were given Autom for six weeks. Another 15 received a touch-screen computer with identical software and 15 were given a paper log.The study found, people using the robot are more likely to stick with their diets longer, in fact twice as long as those using just a paper log. "While not one person among the computer or paper groups continued past six weeks, most who had Autom did not want to give her back at the conclusion of the study," he said. The bottom line is that a robot creates a more powerful and long-lasting relationship with the user than a character on the screen. Autom is expected to go on sale later this year in the United States for around $500.A robot which speaks and understands Cantonese and Mandarin in addition to English according to the demands is also being developed. What can we know about the controlled study? A) The study was led by Cory Kidd. B) The subjects were divided by two. C) Every person with Autom continued past six weeks. D) People using Autom gain more benefits than other people.

D
------