航海英語(yǔ)海上天氣現(xiàn)象單項(xiàng)選擇題每日一練(2019.01.21)

來源：考試資料網(wǎng)

1 The moisture equilibrium chart can be used to determine the（）.

2 Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at（）.

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3 （）is the most widespread type likely to be encountered at sea and is caused by relatively warm air being cooled by flowing over a cooler sea surface.

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4 On the pole side of the high pressure belt in each hemisphere，the pressure diminishes. The winds along these gradients are diverted by the Earth’s rotation toward the east and are known as the（）.

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5 In the Northern Hemisphere，the right half of the storm is known as the dangerous semicircle because（）.

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