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2. According to one expert, the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria as that the breeds have relatively few founding members. A. the cause of genetic irregularities in many breeds of dog is not so much that dogs are being bred for looks or to meet other narrow criteria B. the cause of genetic irregularities in many breeds of dog is not as much their being bred for looks or meeting other narrow criteria as much C. it is not so much the cause of genetic irregularities in many breeds of dog that they are being bred for looks or meeting other narrow criteria as much D. it is not so much the cause of genetic irregularities in many breeds of dog is their being bred for looks or meeting other narrow criteria so much E. it is not so much the cause of genetic irregularities in many breeds of dog to be bred for looks or to meet other narrow criteria A: correct 请问A中的dogs are being bred ,为什么不是are bred 呢?或者直接是BEING BRED呢? 感谢回复!!! | 
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发表于 2007-6-15 22:55:00
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