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4. In an experiment pubished in 1988, social psychologist Fritz Strack of the University of Wurzburg in Germany asked volunteers to hold a pen either with their teeththereby creating an artificial smileor with their lips, which would produce a disapp

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[0:0]arithmetic arouse arrange算术 引起,唤起 安排,准备 [0:37.8094]arrest artificial artistic aspect逮捕,拘留 人工的,人造的 艺术的,美术的 方面,面貌 [1:31.0307]assemble assembly assess asset混合,聚集 立法机构,议会 对...估价 人价值的,优点 [2:22.6436]as

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Scientists at the Massachusetts Institute of Technology (MIT) have created what could be a breakthrough in providing clean, alternative energy. Researchers have invented an artificial leaf that splits water into hydrogen and oxygen and stores the ene

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Researchers Create Artificial Skin With Sense of Touch Scientists have recently made considerable gains in creating human-like artificial limbs, but they still look and feel artificial. That could change with a development from South Korea. Researche

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Liz looked at the round plastic container. The plastic container was empty. There was no milk in the container. Liz wanted to drink some milk. But she was out of milk. She needed to make more milk. She opened the cabinet. She grabbed a box of powdere

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James took the milk out of the refrigerator. He put the carton of milk on the counter. He took the cap off the carton of milk. He opened the kitchen cabinet. He took a glass out of the cabinet. He put the glass on the counter next to the milk. He pou

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Scientists at the Massachusetts Institute of Technology have turned to Mother Nature for inspiration, inventing a device that mimics photosynthesis, the process plants use to convert sunlight and water into usable energy. MIT chemistry professor Dani

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Scientists say they have successfully tested artificial blood vessels grown in the laboratory. In a heart bypass operation, surgeons typically remove a vein from a patient's leg and use it to replace blocked arteries that feed the muscles of the hear

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By Melinda Smith Washington, DC 15 February 2008 Obesity is becoming a worldwide problem, even in developing countries. But diet drinks and food prepared with sugar substitutes do not seem to help curb people's appetites. Now a new study may provide

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Milk is one of the best things we can eat or drink for our body. Its so full of goodness and it tastes pretty good too. Milk is rich in calcium, which makes our bones and teeth strong. This makes milk essential for babies and growing children. It mak

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One day， a poor boy who was trying to pay his way through school by selling goods door to door found that he only had one dime left． He was hungry so he decided to beg for a meal at the next house．一天，一个贫穷的小男孩为了攒够学费

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