Câu hỏi:
26/08/2020 264Choose 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
Câu hỏi trong đề:
Bài tập Tiếng Anh lớp 8 Unit 7 có đáp án !!
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Trả lời:
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 soil is poisoned because farmers use too many pesticides and herbicides.
Xem đáp án »
26/08/2020
14,243
Câu 2:
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
13,591
Câu 3:
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
4,654
Câu 4:
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
4,600
Câu 5:
Rewrite sentences without changing the meaning
It’s very wasteful to apply lights in almost everything at night.
Xem đáp án »
06/01/2021
4,214
Câu 6:
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
4,165
Câu 7:
Rearrange the sentences to make meaningful sentences
If there were more trees in the area, the air would be fresher.
Xem đáp án »
06/01/2021
3,864
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