航海英語問答題每日一練(2020.03.26)

來源：考試資料網(wǎng)

1 The Loran needs（）.

2 When carrying a cargo of asphalt or molten sulfur，which are carried at temperatures of over 300°F，one of the biggest dangers is（）.

3 A vessel is equipped with cross-connected deep tanks.In which situation should the crossconnection valve be closed?（）.

4 When compared to air temperature,which factor is most useful in predicting fog?（）

5 （）the vessel have no safety radiotelegraphy certificate at the time of her delivery，she（）be held to be unseaworthy．