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题库 / Prep2007E1-SC-86
An international team of astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter, the solar system's largest planet.
astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to have 5 to 15 times the mass of Jupiter
astronomers working at telescopes in the Canary Islands and Spain has detected at least 18 huge gas spheres estimated to be 5 to 15 times Jupiter's mass
astronomers is working at telescopes in the Canary Islands and Spain, having detected at least 18 huge gas spheres that are estimated at 5 to 15 times the mass of Jupiter
astronomers, working at telescopes in the Canary Islands and Spain, and has detected at least 18 huge gas spheres estimated at 5 to 15 times the mass of Jupiter
astronomers, working at telescopes in the Canary Islands and Spain, has detected at least 18 huge gas spheres they have estimated to be 5 to 15 times Jupiter's mass
未划线部分是planet，所以前面一定是Jupiter，排除BE
D and前面不是完整句子
C having detected 错误 work at telescopes和detect之间没有因果关系，同时Comma + ING的形式需要前后动作在同一个timeframe，前面是现在进行时，后面是现在完成时，不正确。
不能说gas spheres是木星质量的5-15倍，相比之下说gas spheres有质量（这个质量是木星的质量的5-15倍）会更好。
错选b spheres is xxx mass 逻辑不通 应该是have
不能说gas spheres是木星质量的5-15倍，相比之下说gas spheres有质量（这个质量是木星的质量的5-15倍）会更好。
就近修饰，the solar system's largest planet修饰jupiter，离jupiter越近越好，
mass 质量
mass 质量
times the mass 倍+the+n.
B 结尾的jupiter‘ mass与the solar system's largest planet不对应
简洁明了的解释
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AB：如果是to be，那就错误的把spheres定义为5-15倍的质量；所以A的这个have就很好的解决了这个问题！
E 以mass结尾，使得 同位语修饰对象错误
划线部分最后一个词应该是jupiter，所以选A
请老师讲一下A和B的区分，B是错在所有格吗？B的to be有没有错？
to be错了。因为，这18个gas sphere是被估计“拥有”15倍的质量，不能说“10个sphere是15倍的质量”（也就是说，气团只能有质量，但是气团不能是质量）。所有格是没有问题的。
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