航海英語船舶艙室名稱單項(xiàng)選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 Daylight savings time is a form of zone time that adopts the time（）.

2 Clouds form（）.

3 Day-shapes must be displayed（）.

4 Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.

5 Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the（）.