He suggested that because world population tended to increase more rapidly than the food supply, a continual strain was exerted upon available resources?. Malthus cited wars, famines, ep[r]
Trang 1TIẾNG ANH LỚP 11 UNIT 7: WORLD POPULATION
I Complete each of the sentences with the correct form of the verb in the box.
increased expected decreased to reach limitted
raising control populated support freezes
1 North America was once widely by Native American tribes
2 The world's population is to be over 7 billion by 2010
3 The population has from 1.2 million to 1.8 million
4 Water at OoC
5 Parents should what their kids watch on television
6 The number of new students from 210 to 160 this year
7 My family have been sheep for over 60 years
8 How can we our families on such low wages?
9 Profits are expected £2 billion this year
10 The role that women could play was socially
Complete each of the sentences with the correct form of the verb in the box.
increase expect decrease reach limit
raise control populate support freeze
11 North America was once widely populated by Native American tribes
12 The world's population is expected to be over 7 billion by 2010
13 The population has increased from 1.2 million to 1.8 million
14 Water freezes at OoC
15 Parents should control what their kids watch on television
16 The number of new students decreased from 210 to 160 this year
17 My family have been raising sheep for over 60 years
18 How can we support our families on such low wages?
19 Profits are expected to reach £2 billion this year
20 The role that women could play was socially limitted
II Fill in the blank with a suitable word to complete the passage.
reaches whose considered population births
China is the most populous country of the world Its (1)…… is approximately 1.3 billion people, which is almost 22% of the (2)… population The population density is high in the southeast: 43 percent of the land contains most of its population A quarter of the population (3)… China is in the middle and lower parts of the Yangtze River, and the population density (4)…… 663 people per square kilometer Shanghai is China's largest city, (5)…… population density reaches 2,upload.123doc.net people per square kilometer
China's population growth rate has (6)…… in the past years, although its population is still increasing In the 1970s, the government started to implement birth (7)…… programs to the people: late marriage, late childbearing, a one-child family, and a four-year period between two (8)…… in the
countryside where each couple may have more than one child, According to the report of Major Figures
of Population of China, the annual growth rate of China's population (9)…… from 25.83% (in 1070)
down to 11.21% (in 1994) and to 8.77% (in 1999) in the past 20 years This should be (10) ………a great success
Fill in the blank with a suitable word to complete the passage.
China is the most populous country of the world Its (1) population is approximately 1.3 billion people, which is almost 22% of the (2) world population The population density is high in the southeast: 43 percent of the land contains most of its population A quarter of the population (3) of
Trang 2China is in the middle and lower parts of the Yangtze River, and the population density (4) reaches 663 people per square kilometer Shanghai is China's largest city, (5) whose population density reaches 2,upload.123doc.net people per square kilometer
China's population growth rate has (6) decreased in the past years, although its population is still increasing In the 1970s, the government started to implement birth (7) control programs to the people: late marriage, late childbearing, a one-child family, and a four-year period between two (8) births in the
countryside where each couple may have more than one child, According to the report of Major Figures
of Population of China, the annual growth rate of China's population (9) fell from 25.83% (in 1070)
down to 11.21% (in 1994) and to 8.77% (in 1999) in the past 20 years This should be (10) considered a great success
III Complete the sentences using one of the following pairs of verbs Use the past unreal conditional.
consider - be go - invite not promote – leave know - go
get - not have find - drive know - not take hit - not pull
drive - not happen grow up - learn
1 If you , you the firm?
2 I to the party last night if I
3 If I your father was in hospital, I to visit him
4 They a better hotel if they a few more kilometers
5 If I how difficult the job was, I it
6 I'm sure we lost if we a map
7 If you more carefully, the accident
8 If you in Japan, you Japanese
9 I taking the job if the salary higher
10 The child by a car if her mother her out of the street
Complete the sentences using one of the following pairs of verbs Use the past unreal conditional.
11 If you hadn’t been promoted, Would you have left the firm?
12 I would have gone to the party last night if I had been invited
13 If I had known your father was in hospital, I would have gone to visit him
14 They might have found a better hotel if they had driven a few more kilometers
15 If I had known how difficult the job was, I wouldn’t have taken it
16 I'm sure we would have got lost if we hadn’t had a map
17 If you had driven more carefully, the accident wouldn’t have happened
18 If you had grown up in Japan, you might have learned Japanese
19 I might have considered taking the job if the salary had been higher
20 The child would have been hit by a car if her mother hadn’t pulled her out of the street
IV Put the verb into the correct form.
1 If the earth suddenly (stop) spinning we all (fly) off it
2 If you (smoke) in a non-smoking compartment the other passengers (object)
3 (your parents/ not/ be) proud if they could see you now?
4 If she (not/ fail) one of her final exams she wouldn't have had to spend part of the summer
in college
5 I’ll lend you War and Peace if I (finish) it before you go on holiday
6 If we (work) all night we (finish) in time; but we have no intention of working all night
7 If you had worked harder, you (pass) your final exam
8 If you want to learn a musical instrument, you (practise)
Put the verb into the correct form.
Trang 39 If the earth suddenly stoped (stop) spinning we all would fly (fly) off it.
10 If you smoke (smoke) in a non-smoking compartment the other passengers will/ may object (object)
11 Wouldn’t your parents be (your parents/ not/ be) proud if they could see you now?
12 If she hadn’t failed (not/ fail) one of her final exams she wouldn't have had to spend part of the summer in college
13 I’ll lend you War and Peace if I have finished (finish) it before you go on holiday
14 If we worked (work) all night we could/ would finish (finish) in time; but we have no intention of working all night
15 If you had worked harder, you would have passed (pass) your final exam
16 If you want to learn a musical instrument, you should practice (practise)
V Using the given information, make conditional sentences Use if.
17 I don't ride the bus to school every morning because it's always so crowded.
18 The schoolchildren sowed some seeds, but they forgot to water them so they didn't grow
_
19 Stop talking or you won't understand the lesson
_
20 The wind is blowing hard, so we won't take the boat out for a ride
_
21 Carol didn’t answer the phone because she was studying
_
22 I feel better now because you talked to me about my problems yesterday
_
23 Because I don't have enough free time, I can't help my mother with the housework
_
Using the given information, make conditional sentences Use if.
24 I don't ride the bus to school every morning because it's always so crowded
I would take the bus to school every morning If it wasn't/ weren't always so crowded.
25 The schoolchildren sowed some seeds, but they forgot to water them so they didn't grow
If the school-children hadn't forgotten/ had remembered to water the seeds, they would have grown.
26 Stop talking or you won't understand the lesson
If you don't stop talking, you won't understand the lesson.
27 The wind is blowing hard, so we won't take the boat out for a ride
If the wind wasn't/ weren't blowing hard, we would take the boat out for a ride.
28 Carol didn’t answer the phone because she was studying
If Carol hadn't been studying she would have answered the phone.
29 I feel better now because you talked to me about my problems yesterday
I wouldn't fee] better now if you hadn't talked to me about my problems yesterday.
30 Because I don't have enough free time, I can't help my mother with the housework
If I had more free time I could help my mother with the housework.
VI Identify the one underlined word or phrase -A, B, C or D-that must be changed for the sentence to be correct.
1 Some scientists believe that the earth have resources enough
A B
to support its population.
C D
2 The population of the world has been increased faster and faster.
A B C D
Trang 43 Ninety-seven percent of the world' water is saltwater is found in
A B C
the oceans of the Earth.
D
4 Hadn't he resigned, we would have been forced to sack him.
A B C D
5 John lived in New York since 1960 to 1975, but he is now living in
A B C D
Detroit
Identify the one underlined word or phrase -A, B, C or D-that must be changed for the sentence to
be correct.
6 Some scientists believe that the earth have resources enough
A B (enough resources)
to support its population.
C D
7 The population of the world has been increased faster and faster.
A B C (increasing) D
8 Ninety-seven percent of the world' water is saltwater is found in
A B C (found)
the oceans of the Earth.
D
9 Hadn't he resigned, we would have been forced to sack him.
A (Had he not) B C D
10 John lived in New York since 1960 to 1975, but he is now living in
A B (from) C D
Detroit
Read the passage, then choose the correct answers.
No one knows the limits of population that the earth can support Thomas Malthus, an English economist, developed a theory that became widely accepted in the nineteenth century He suggested that because world population tended to increase more rapidly than the food supply, a continual strain was exerted upon available resources Malthus cited wars, famines, epidemics, and other diseases as the usual limitations of population growth
With recent advances in science and technology, including improved
agricultural methods and great strides in medicine, some of the limiting factors in population growth have been lessened, with obvious results
International organizations have put forward several recommendations to alleviate the problem of overpopulation, including an increase in food production, general economic development in target areas, and a decrease
in birth rate Most experts agree that it will be necessary to combine all three recommendations in an effort to affect a lasting solution
1 It was suggested by Thomas Malthus that _
a food was in short supply because of population increase
b The rapid growth of population led to an acute shortage of natural resources
c Rapid population growth put a great strain on available resources
d Pressures on natural resources will increase as we face a population explosion
2 Which of the following was not mentioned as the usual limitations of population growth?
c famines d agricultural methods
3 According to the passage, why has overpopulation been caused?
a Improved technology b Disasters c Scarcity d Precaution
Trang 54 What do most experts recommend in order to solve problems of overpopulation?
a Famine and epidemic
b Economic development and a decline in birth rate
c Medical advance and improved agricultural methods
d Conservation of available resources
5 Which of the following is not true according to the passage?
a The earth have enough resources to support all of its population
b The theory developed by Thomas Malthus was believed by most people in the 19th century
c Medical advance has lessened some of the limiting factors in population growth
d International organizations arc seeking a lasting solution to the overpopulation problem
Read the passage, then choose the correct answers.
No one knows the limits of population that the earth can support Thomas Malthus, an English economist, developed a theory that became widely accepted in the nineteenth century He suggested that because world population tended to increase more rapidly than the food supply, a continual strain was exerted upon available resources Malthus cited wars, famines, epidemics, and other diseases as the usual limitations of population growth
With recent advances in science and technology, including improved
agricultural methods and great strides in medicine, some of the limiting factors in population growth have been lessened, with obvious results
International organizations have put forward several recommendations to alleviate the problem of overpopulation, including an increase in food production, general economic development in target areas, and a decrease
in birth rate Most experts agree that it will be necessary to combine all three recommendations in an effort to affect a lasting solution
41 It was suggested by Thomas Malthus that _
a food was in short supply because of population increase
b The rapid growth of population led to an acute shortage of natural resources
c Rapid population growth put a great strain on available resources
d Pressures on natural resources will increase as we face a population explosion
42 Which of the following was not mentioned as the usual limitations of population growth?
c famines d agricultural methods
43 According to the passage, why has overpopulation been caused?
a Improved technology b Disasters c Scarcity d Precaution
44 What do most experts recommend in order to solve problems of overpopulation?
a Famine and epidemic
b Economic development and a decline in birth rate
c Medical advance and improved agricultural methods
d Conservation of available resources
45 Which of the following is not true according to the passage?
a The earth have enough resources to support all of its population.
b The theory developed by Thomas Malthus was believed by most people in the 19th century
c Medical advance has lessened some of the limiting factors in population growth
d International organizations arc seeking a lasting solution to the overpopulation problem
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