An important part of conservation is the prevention of waste – waste of forests, soil, wild – life, minerals and human lives.. Farmers can protect their land by yearly rotation of crops
Trang 1ĐỀ KIỂM TRA CHẤT LƯỢNG HKI – ĐỀ SỐ 6
Conservation is the safeguarding and preservation of (1) resources, so that they can continued to be used and enjoyed In the past, most people believe that the world’s resources could never be (2) _ up Today, we know that this is not true An important part of conservation is the prevention of waste – waste of forests, soil, wild – life, minerals and human lives As important is the fight (3) _ pollution of our environment, in particular, the dirtying and poisoning of air and water Conservation is also concerned (4) the reclaiming of land by irrigating deserts, draining swamps or pushing back the sea
Farmers can protect their land by yearly rotation of crops – that is, growing different crops (5) the same land from year to year In this way, different elements of the soil have time to replace lost elements Farmers can help enrich the soil by adding fertilizers They can prevent erosion by ploughing along the contours of a hill rather than up and down In this way water does not run off and take the soil with it
Trees and shrubs are also needed to preserve land (6) their roots bind the soil and retain water When all the trees in a region are cut, the soil can easily become loose and blow away
Forests (7) timber , one of man’s most valuable resources, but they must be managed carefully Only mature trees should be cut, leaving the young ones to grow bigger
To protect wild – life, many countries have passed laws restricting hunting and fishing Wild – life preserves, areas where animals are protected (8) their natural environment, are becoming more common in regions where animal life is threatened
Dirty air is chiefly a city problem London’s famous “ pea soup” fogs were cleared by laws by forbidding the burning of soft fuels : but car exhaust fumes continue to pollute the air Some large cities may have to ban cars (9) the city centre to wipe out smoke
Minerals that are taken from the Earth in immense quantities include petroleum, coal, natural gas, iron and copper Once used up, these minerals can never be replaced To conserve them, we must cut waste and recycle ( put back into use ) the metal in discarded products, such as empty cans Conservation also (10) _ searching for alternative fuels, such as the energy of the Sun
Comprehension
1 How are these following words explained ?
a Conservation _
b Yearly rotation _
c Wild – life preserves _
d Recycle _
2 Can you guess the meaning of the word fertilizers in this sentence ? : “ Farmers can help enrich the soil
by adding fertilizers” _
3 Paragraph 1 mentions three things which make up conservation What are they ? _
4 What is the sixth paragraph about ? _
5 The last sentence mentions another content of conservation What is it ? _
Word – Study
Fill in each blank with a noun corresponding to the verb in the same sentence
1 We have to conserve the natural resources of our country
Water is necessary for hydropower stations
2 We have made great efforts to develop our country The industrial will lead to the country’s
prosperity
3 Farmers fertilize their land to make it productive They apply into the fields after the crops
have been planted
4 Some plants have to be well – protected The tender plants need _ against the cold weather
5 We come to school to enrich our minds with knowledge By giving the students up to date scientific
knowlegde, their mental will be very worthwhile
6 The farmers need to rotate their crops The of crops on the same land can prevent soil
exhaustion
7 The weather continues to get worse and worse Today’s weather will be a of yesterday
Trang 28 We have to safeguard wild–life.The and preservation of natural resources will prevent a lot of waste
9 You don’t need to hurry There’s for you to start yet
10 Exhaust fumes from motovehicles pollute the air Some large cities’ve had measures to minimize air _
11 Many factories recycle old newspaper by de – inking and pulping them The _ of waste paper
can save a great amount of wood – pulp
12 Our farms produce rice, crops, and dairy We have tried to increase by using
better methods and tools
13 The swamps in this area ought to be drained.The of these swamps will destroy the mosquitoes’s
breeding places
14 We have to provide our children with food and clothes We must always make _ for our old
age by saving money
Test
1 Write the correct form of the verb in bracket
1 How is Helen ( 1- get ) along in her new job ?
- Now, I think she is accustomed to ( 2 – work ) _ 8 hours a day
2 That fabric ( 3 – make ) of a material which ( 3 – catch) _ fire easily
3 There were signs everywhere ( 4 – tell ) people ( 4 – keep ) _ out of the grass in the park
4 It’s very difficult ( 5 – tell ) a twin from the other
5 Many snow – fed moutain streams dry up during certain seasons of the year because there is no ( 6 – melt ) snow at that time
6 There are so many signs along that road ( 7 – warn ) mototists ( 8 – slow ) down because that road is very slippery
2 From the 4 choices given, select the one suitable with the underlined word
1 It is impossible for parents to shield their children from every danger
2 The new contact lenses made the women blink her eyes much more than usual
a strain and stretch b open and close c rub d shade
3 The man walked briskly to keep warm on the very cold night
4 Michael was a such shrewd business person that he never lost money in any transaction
5 There was no trace of poison in the coffee the chemist analyzed
6 Her husband is very competent, he will repair the roof himself
7 Mr Anderson was determined to remain neutral
a untroubled b unhurried c unmarried d uncommitted
8 The time for dicussing the problem is over, now we must act
a talking about b thinking about c arguing about d putting off
3 Give the correct form of word in bracket
1 Many people are interested in (1 – preserve ) of old streets in Hanoi
2 They don’t have any ( 2 – believe ) _ in ( 3 – nature ) _ phenomina
3 Our environment is strongly ( 4 – pollute )
4 Whenever the (5– rain ) _ season comes, there’s always a thick (6 – grow ) of weeds in our garden
5 The city provides many ( 7 – culture ) oppotunities It has an excellent art museum (8 – Add ) _, it has a fine symphony orchestra
6 Dalat is a beautiful ( 9 – hill ) _ town
7 Do you like the ( 10 – centre ) figure in “ Gone with the wind”?
8 They are going to ( 11- large ) _ some roads in this regons
9 This ( 12 – pass ) is too difficult for me to understand
10 We are trying to clean up ( 13 – emit ) from power stations
11 Stress and ( 14 – tired ) often result in lack of ( 15 – concentrate ) _
12 Mr Bush is very ( 16 – influence ) in local politics