题型分类:事实信息题
题干分析:定位词temperature,the sole cause;利用定位词定位到第二段第三句 This may be one of the factors, but it is unlikely to be the sole cause because there are species that become dominant species at various temperatures. 译为:温度可能是原因之一,但是不可能是唯一一个原因,因为在不同的温度区域有主要的物种存在。
选项分析:
D选项说certain dominant species have been observed at different temperatures对应第二段第三句,其中different对应原文中的various。
A选项说the temperature of seawater changes too often,而第二段最后一句 Furthermore, temperature changes rather slowly in seawater, and the replacement of dominant species often is much more rapid. 说明温度在海水中变化很慢,因此选项与原文描述不符。
B选项说seasonal succession usually occurs only in temperate seas,第二句提到seasonal succession is most often and clearly seen in temperate seas,但没有说only in temperature seas,太绝对了。
C选项说the rate of replacement of dominant species is slower than that of temperature change,最后一句说 Furthermore, temperature changes rather slowly in seawater, and the replacement of dominant species often is much more rapid. 因此与原文描述不符。
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