更多"Places that have ever hosted the Ac"的相关试题:
[简答题]Describe one important thing you have ever learnt in your childhood. Include reasons and details to support your response.
[填空题]Kodak Theatre hosted its first Academy Awards Presentation in November of 2001.
[单项选择]
If you have ever longed for a meat substitute that smelt and tasted like the real thing, but did not involve killing an animal, then your order could be ready soon. Researchers believe it will soon be possible to grow cultured meat in quantities large enough to offer the meat industry an alternative source of supply.
Growing muscle cells (the main component of meat) in a nutrient broth is easy. The difficulty is persuading those cells to form something that resembles real meat. Paul Kosnik, the head of engineering at a firm called Tissue Genesis, is hoping to do it by stretching the cells with mechanical anchors. This encourages them to form small bundles surrounded by connective tissue, an arrangement similar to real muscle.
Robert Dennis, a biomedical engineer at the University of North Carolina, believes the secret of growing healthy muscle tissue in a laboratory is to understand how it interacts with its surroundings. In nature, tissues exist as elements in a
A. meat grown in lab, rather than in the form of animals, could soon be on the menu.
B. cultured meat may taste as they are newly produced.
C. it is hard to culture the main component of meat into the form of cells.
D. by stretching the cells with mechanical anchors, we can get connective tissues.
[单项选择]If you have ever dreamed of slipping into the comforting softness of a cashmere sweater you should follow the example of the habitual wearers and make sure that it has been knitted in the Scottish Borders-- nothing else will do for them as it is pure luxury. But what makes Scottish Borders Cashmere so special To begin with the Border knitters insist on using only the best cashmere painstakingly produced in one of the most barren parts of China. The cashmere is hand combed from the under fleece of the Mongolian goat and one of them produces in a year only enough yarn to make a scarf. It takes three goats to produce one simple sweater!
This rare natural fiber has then to be transported to Britain for processing. A highly skilled system, invented by Joseph Dawson in the 1880’s, removes every impurity and coarse grade hair so that only the softest down is left. After spinning the Border knitters use their traditional expertise to ensure that this wonderful softness is kept by caref
A. Its raw material from the best producers.
B. Its sorting out the inferior from the superior.
C. Its milling with special water.
D. Its spinning of Borders’ traditional skill.
[填空题]What’s the furthest you have ever cycled Perhaps you cycle to school or to work, or maybe at (36) a short cycling trip with friends How would you (37) about spending months on the road traveling (38) from the UK to China, by bike
For British (39) Pete Jones, camping rough and cycling long distances through (40) land are second nature. Mr. Jones is currently (41) a long and difficult trip across the Eurasian (42) from Britain to China. Pete Jones is no (43) to China. But he says many people there (44) . Indeed, while there are an estimated 400 million bicycles in China, where it has long been the preferred form of transport, rapid economic growth has fuelled an explosive expansion in car ownership.
Edward Genochio, another British cyclist who completed a 41 000km trip to China and back, said (45) .
In the UK, the last few years have seen a rise in the number of people choo
