航海英語航路指南單項(xiàng)選擇題每日一練(2019.01.11)

來源：考試資料網(wǎng)

1 Above-normal tides near the center of a hurricane maybe caused by the （）.

2 A pilot vessel may continue to sound an identity signal if she is （）.

3 Every new supplement to the Sailing Directions （） the previous one．

4 During daylight savings time the meridian used for determining the time is located farther （）.

5 The period at high or low tide during which there is no change in the height of the water is called the （）.