航海英語船舶輔機(jī)單項(xiàng)選擇題每日一練(2019.01.08)

來源：考試資料網(wǎng)

1 An instrument that maintains a continuous record of humidity changes is called a（）.

2 Aphelion is the point where the Sun（）.

3 At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this，you should（）.

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4 As the temperature of the air reaches the dew point，（）.

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5 As the temperature of an air mass decreases，the（）.

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