20xx新東方考研英語(yǔ)強(qiáng)化新題型7選5-資料下載頁(yè)
2024-08-22 01:14本頁(yè)面
【導(dǎo)讀】推薦：09年新東方考研數(shù)學(xué)英語(yǔ)政治視頻課程提供試看文件提供試用下載網(wǎng)盤(pán)。填空式閱讀（7選5）
【正文】 ve been found were all very simple kinds and lived in the sea. Later forms are more plex, and among these are the sealilies, relations of the starfishes, which had long arms and were attached by a long stalk to the sea bed, or to rocks. [F]When an animal dies, the body, its bones, or shell, may often be carried away by streams into lakes or the sea arid there get covered up by mud. If the animal lived in the sea its body would probably sink and be covered with mud. More and more mud would fall upon it until the bones or shell bee embedded and preserved. [G]Many factors can influence how fossils are preserved in rocks. Remains of an anism may be replaced by minerals, dissolved by an acidic solution to leave only their impression, or simply reduced to a more stable form. [答案 ] 41. B 42. F 43. E 44. A 45. C
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