由 小花 » 2007-11-22 10:13
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
句子結構:Among... is believed to be
倒裝結構: 主語是the rate ,由which 引導定語子句修飾
考點: 倒裝結構 邏輯表達 主謂一致
倒裝結構: 介詞短語作表語提到句首,整個句子使用倒裝結構
邏輯表達:狀語的位置要合理,結合句意看是否符合邏輯
主謂一致:倒裝結構的句子主詞不太明顯,要找對其單複數
A)Among倒裝, S=>the rate,動詞應該用單數is
B)Among倒裝, S=>the rate,動詞應該用單數is;tree該用複數,使未劃線部分有指代對象
C)on earth 放置句首修飾整個句子,不符合邏輯,their 指代存在岐義,離它最近的是sun spot cycles,未劃線的as seen 應該緊跟其修飾名詞
D)tree 該用複數 ,始未劃線部份有指代對象;謂語結構不完整,應該用is believed被動語態
E)正確,on earth 修飾indications, S=>the rate,動詞用單數
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