以下是引用queenjie在2009-1-28 23:13:00的发言：On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.
A. On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow B. On Earth, among the surest indications of sunspot cycles are, it is believed, the rate of tree growth C. On Earth, the rate at which trees grow is believed to be among the surest indications of sunspot cycles D. Among the surest indications on Earth of sunspot cycles, believed to be the tree growth rate E. Among the surest indications on Earth of sunspot cycles is believed to be the rate at which trees grow abc选项on earth 放在句首，修饰对象错误 排除 d缺动词
为什么说ABC on earth放在句首修饰错误呢，他修饰谁呢？mm解释一下好吗 | 
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发表于 2009-1-29 16:29:00
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