单项选择题

It can be known from the passage that increase in the salinity of ocean water is caused by______.

A．melting of sea ice
B．precipitation
C．evaporation
D．supplement of salt
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Mr. Smith, there’ s a Mr. Brown wishing to see you. Can I bring him in______(难道你没看我正忙着呢吗)
单项选择题
Which of the following statements is NOT TRUE according to the passage
A．Various factors combine to cause variations in the salinity of water.
B．As a result of the formation of ocean ice water salinity decreases.
C．The salinity of the water near the bottom of the oceans is relatively high.
D．in coastal areas the ocean is diluted by rivers.
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