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题库 / Prep2007E1-SC-168
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 that are at an estimated 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 as being 5 to 15 times Jupiter's mass
AB 区别：
如果选B， 逗号后的定语就是修饰Jupiter's mass而不是Jupiter， 所以错误
主语是team，主谓一致需要用单数；
未划线部分是同位语，先行词应该是jupiter
A correct
C选项，having detected 和句子谓语is working 之间，并没有明确的修饰关系，所以AC选项中A更合适
(A) 正确，以Jupiter结尾是因为后面跟的同位语必须修饰紧临的名词。
(B) 以mass结尾，使得同位语修饰对象错误；that are at an estimated 5 to 15 times表达方式错误。
(C) that are estimated罗嗦；estimated at 5 to 15 times 应该是estimated to be/have；将原句中的修 饰成分与谓语进行变换，改变了原文强调的重心。
(D) and has…没有并列对象，应该去掉and。
(E) they have estimated as being 5 to 15 times表达方式错误；they指代不清楚；以mass结尾，使得 同位语修饰对象错误。
E的逻辑准确性判断：在某处工作作天文学家检测到星体的伴随状语，状语是有逻辑关系的，表示伴随主句发生的原因/条件/伴随发生的情况及对主句的解释说明，这里更接近于因果逻辑：因为在那里工作，所以检测到星体，因果逻辑不成立，逻辑错误。