People use too much herbicide to treat weeds, so water in rivers, canals, lakes are extremely polluted and has bad effects on people’s health.. Many fish in the river die due to the inc[r]
Trang 1BÀI TẬP TRỰC TUYẾN TIẾNG ANH 8( 10 NĂM)
UNIT 7: POLLUTION I-Find the word which has a different sound in the part underlined
1 A algal B aquatic C contaminate D permanent
2 A thermal B thankful c there D thorough
4 A untreated B measure C pleasure D bread
II- Find the word which has a different position of the main stress in each line.
2 A cholera B pollutant C permanent D groundwater
3 A radiation B political C historical D contaminant
4 A seriously B measurement C scientific D logical
5 A aquatic B historic C physical D botanical
III-Complete the sentences, using the correct form of the words in brackets.
Trang 21 The soil becomes _ because of the use of so many pesticides and fertilizers (contaminate)
2 _ waste spills can contaminate groundwater (industry)
3 In many developing countries, water pollution is usually a leading cause of (die)
4 elements have been found in both ground and underground water sources (pollute)
5 Fish and many other animals are killed by in their habitat (pollute)
6 Astronomers are concerned about light pollution because they have
in viewing activities in the sky and outer space (difficult)
IV Rewrite the sentences, using the words in brackets You can make some changes.
1 There are asthma, allergies and other respiratory illnesses when air pollution happens (leads to)
2 Aquatic life suffers or dies because there is thermal pollution (because of)
Trang 3
3 Water in the Cau River becomes brown and has terrible smell because the waste water is released from the paper mill in Thai Nguyen City (so)
4 People use too much herbicide to treat weeds, so water in rivers, canals, lakes are extremely polluted and has bad effects on people’s health (because)
5 Many fish in the river die due to the increased temperature of water (because)
6 Because plastic bags take so long to decompose, nearly all of them still exist in the environment today (so)
7 We are unable to see the stars in the sky Light pollution occurs (makes)
8 All sounds are not noise Noise is any sound that is unwanted and goes beyond its certain limit, for example, above 80 decibels (because)
9 More and more noise is created by modern civilization It has now become a major environmental pollutant, especially in urban areas (so)
Trang 4
10 Contamination in the air happens There is acid rain which damages soil,
vegetation and aquatic life of the region (causes)
11 Noise pollution is one of the major causes of stress and anxiety People suffer from stress and anxiety (because of)
V Read the passage and fill in the each blank with ONE suitable word
harms move affects indirect effects
protect harmful leads can causes
EFFECTS OF AIR POLLUTION
There are different kinds of negative and harmful effects of air pollution Air
pollution (1)……… global warming in a great scale The global warming
(2)………… to the increase of temperatures worldwide, the increase in sea levels and the melting of icebergs It (3)……… all species on the earth The effects of air pollution are very (4)……… for health It causes different
kinds of diseases like heart attack, cancer, etc Every year millions of people of all over the world die due to direct or (5)……… effects of air pollution Acid rain is another effect of air pollution Acid rain can cause great damage to human, animals and crops Air pollution (6)……… the wild life Humans and
animals face a lot of serious effects due to air pollution Toxic chemicals present in the air can force wildlife species to (7)……… to new place and change their habitat The toxic pollutants over the surface of the water can also affect sea animals It is right time to (8)……… our environment To create a better place to live, we have to stop the air pollution