1、What does the total waters of Shanghai and the ocean on earth can be divided into?
A、estuaries
B、bays
C、offshore waters
D、open seas
2、With the increasing scale of human exploitation of marine resources, it has been affected and polluted by human activities.
A、对
B、错
3、What does the sea connected with the earth and the total waters of the ocean include”?
A、sea water
B、dissolved and suspended substances
C、seabed sediments
D、organisms
4、With the development of science and technology, the scale of human exploitation of marine resources is getting larger and larger, and the dependence on the ocean is getting higher and higher.
A、对
B、错
5、At present, one of the main tasks of marine environment research is to explore ways and means to protect marine ecosystems.
A、对
B、错
6、What condition that water masses in the ocean flow steadily in a certain direction?
A、the action of astronomical
B、the action of hydrological
C、the action of meteorological
D、gravity
7、Domestic sewage is part of the ship’s domestic waste and medical waste.
A、对
B、错
8、A cruise ship with 5000 passengers produces about 965,277 litres of reusable wastewater every day.
A、对
B、错
9、It is estimated that about 50 billion tons of ballast water is discharged from ships every year.
A、对
B、错
