Question `V` :

`1.C`

`=>`Dẫn chứng : Most of this pollution comes from the land, which means it comes from people. ( Câu 2 của bài )

`2.B`

`=>`Dẫn chứng : Firstly, there is raw sewage, which is pumped directly into the sea. ( Câu 3 của bài )

`3.D`

`=>`Dẫn chứng : Thirdly, there are oil spills from ships. A ship has an accident and oil leaks from the vessel. This not only poluttes the water , but it also kills marine life.

`4.B`

`=>`Dẫn chứng : Secondly, ships drop about 6 million tons of garbage into the sea each year.

`5.C`

`=>`Dẫn chứng : Next, there waste materials from factories. Without proper regulations, factory owners let the waste run directly into the rivers, which then leadto the sea. 

`1. C`

Dựa vào câu thứ 2: Most of this pollution comes from the land, which means it comes from people

`2. A`

Dựa vào câu thứ 3: Firstly, there is raw sewage, which is pumped directly into the sea

`3. D`

Dựa vào câu thứ 5 và 7: Thirdly, there are oil spills from ships ... This not only poluttes the water , but it also kills marine life. 

`4. B`

Dựa vào câu thứ 4: Secondly, ships drop about 6 million tons of garbage into the sea each year.

`5. C`

Dựa vào câu thứ 8: Next, waste materials are let run into the rivers, seas from the factories by factory owners