Are there many()and warehouses in the port?
A、wharf
B、wharves
C、wharve
D、wharfs
A、wharf
B、wharves
C、wharve
D、wharfs
A、depths in Malacca and Singapore Straits are stable B、depths in Malacca and Singapore Straits are changeable C、depths in Malacca and Singapore Straits are invariable D、depths in Malacca and Singapore Straits are the same all the time
A、there is a free berth B、there are officers and the sailors C、there are motormen and the sailors D、A、B and C
A、ventilate all compartments,see that the machinery is clean and there are no obstructions B、just turn the key and start up C、take for granted that there are no fuel leaks D、assume there are no volatile fumes in the engine space