2013年职称英语理工类B级阅读理解练习9_第2页

　　Another challenge for Origen is to scale up production. To do this, it has teamed up with Embrex, which produces machines that can inject vaccines into up to 50,000 eggs an hour. Embrex is now trying to modify the machines to locate the embryo and inject the cells into precisely the right spot without killing it.
　　In future, Origen imagines freezing stem cells from different strains of chicken. If orders come in for a particular strain, millions of eggs could be produced in months or even weeks. At present, maintaining all the varieties the market might call for is too expensive for breeders, and it takes years to bread enough chickens to produce the billions of eggs that farmers need.
　　41.Which statement is the best description of the new era of factory farming according to the first paragraph?
　　A. Eggs are all genetically engineered.
　　B. Thousands of eggs are produced every hour.
　　C. Cloned chickens are bulk-produced with the same growth rate, weight and taste.
　　D. Identical eggs can be hatched on the production lines.
　　42. Which institution has offered $4.7 million to fund the research?
　　A. The US’s National Institute of Science and Technology.
　　B. Origen therapeutics of Burlingame, California.
　　C. Embrex of North Carolina.
　　D. Animal welfare groups.

　　43. In the third paragraph, by saying “Producers would like the same meat quantity but to use reduced inputs to get there.” Mike Fitzgerald means that he wishes
　　A. chickens’ quality could be maintained but with less investment.
　　B. chickens’ taste could be improved but at less costs.
　　C. chickens’ growth rate could be quickened but with less inputs.
　　D. chickens could grow to the same weight but with less feed.
　　44. Which of the following statements about Origen and Embrex is correct according to the fifth paragraph?
　　A. Origen and Embrex will jointly invent machines to increase production.
　　B. Origen wants to purchase an efficient donor cells injecting machine.
　　C. Origen has joined hands with Embrex in producing cell-injecting machines.