Câu hỏi:

26/08/2020 306

Choose the letter A, B, C or D to complete the passage below

Water pollution happens __________ (6) toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water. Not __________ (7) does this spell disaster for aquatic ecosystems, the pollutants also seep through and reach the groundwater, which might end up in our households as contaminated water we use in our daily activities, including drinking.

Water pollution can be __________ (8) in a number of ways, one of the most polluting being city sewage and industrial waste discharge. Indirect sources __________ (9) water pollution include contaminants that enter the water supply from soils or groundwater systems and from the atmosphere via rain. Soils and groundwater contain __________ (10) residue of human agricultural practices and also improperly disposed of industrial wastes.

Pollutants can be of varying kinds: organic, inorganic, radioactive and so on. In fact, the list of possible water contaminants is just too vast to be listed here.

Question 6:

Đáp án chính xác

Sách mới 2k7: Bộ 20 đề minh họa Toán, Lí, Hóa, Văn, Sử, Địa…. form chuẩn 2025 của Bộ giáo dục (chỉ từ 49k/cuốn).

Đề toán-lý-hóa Đề văn-sử-địa Tiếng anh & các môn khác

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Trả lời:

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Giải bởi Vietjack

Đáp án B

Giải thích: when + mệnh đề: khi mà…

Dịch: Ô nhiễm nước diễn ra khi mà các chất độc hại đi vào trong các phần nước như ao hồ, sông suối, đại dương, vân vân…

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CÂU HỎI HOT CÙNG CHỦ ĐỀ

Câu 1:

Rewrite sentences without changing the meaning

The polluted water results in the death of many aquatic animals and plants.

Xem đáp án » 26/08/2020 14,727

Câu 2:

Rewrite sentences without changing the meaning

The soil is poisoned because farmers use too many pesticides and herbicides.

Xem đáp án » 26/08/2020 14,401

Câu 3:

Choose the letter A, B, C or D to complete the sentences with given words

Visual/ pollution/ prevent/ us/ see/ far/ away.

Xem đáp án » 26/08/2020 4,945

Câu 4:

Choose the letter A, B, C or D to complete the sentences with given words

The music club/ be/ make/ so/ much noise/ that/ the residents/ require/ them/ turn/ the music/ down.

Xem đáp án » 26/08/2020 4,915

Câu 5:

Choose the letter A, B, C or D to complete the sentences

Parents should teach children not to __________ wastes on the road.

Xem đáp án » 26/08/2020 4,477

Câu 6:

Rewrite sentences without changing the meaning

It’s very wasteful to apply lights in almost everything at night.

Xem đáp án » 06/01/2021 4,422

Câu 7:

Rearrange the sentences to make meaningful sentences

What/ pollution/ to/ is/ types/ the/ of/ most/ human/ harmful?

Xem đáp án » 26/08/2020 4,048