答案　B　[推理判断题。根据最后一段可以推断出对蜜峰飞行路线的研究可以应用到其他领域中。]

　　维A2 阅读理解(每题2分，满分分)

　　高考曾用材料：2012新课标全国卷D篇

　　选材相似度：★★★★

　　设题相似度：★★★

　　难度系数：★★★★★

　　If the salinity of ocean waters is analyzed，it is found to vary only slightly from place to place.Nevertheless，some of these small changes are important.There are three basic processes that cause a change in oceanic salinity.One of these is the subtraction of water from the ocean by means of evaporation—conversion of liquid water to water vapor.In this manner the salinity is increased，since the salts stay behind.If this is carried to the extreme，of course，white crystals of salt would be left behind.

　　The opposite of evaporation is precipitation，such as rain，by which water is added to the ocean.Here the ocean is being diluted so that the salinity is decreased.This may occur in areas of high rainfall or in coastal regions where rivers flow into the ocean.Thus salinity may be increased by the subtraction of water by evaporation，or decreased by the addition of fresh water by precipitation or runoff.

　　Normally，in tropical regions where the sun is very strong，the ocean salinity is somewhat higher than it is in other parts of the world where there is not as much evaporation.Similarly，in coastal regions where rivers dilute the sea，salinity is somewhat lower than in other oceanic areas.

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