PRACTICE UNIT 7 G11
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<b>UNIT 7 - WORLD POPULATION</b>
<b>I. Match a word in A with its meaning or definition in B.</b>
<b>A</b>
<b>B</b>
<b>1. increase (v)</b>
a. a point or line that must not be passed
<b>2. double (v)</b>
b. that you can get, buy, use
<b>3. population</b>
<b>(n)</b>
c. to make sth twice as much or as many
<b>4. support (v)</b>
d. a detailed and careful study of sth to find out more information
<sub>about it</sub>
<b>5. raise (v)</b>
e. to make a plant or animal so that you can use it
<b>6. limit (n)</b>
f. to make sth larger in number or amount
<b>7. available</b>
<b>(a)</b>
g. a number of people who live in a particular place
<b>8. research</b>
<b>(n)</b>
h. to give or provide sb with the money he / she needs for food,
clothes ...
<b>II. Fill each gap with one suitable word in column A of exercise I. Make any changes in the</b>
<b>form if necessary.</b>
1. The number of people working from home will ... steadily during the next decade.
2. The price of houses has almost...
3. What is the... of your country?
4. Jim has to... two children from his previous marriage.
5. In New Zealand sheep are...for meat and wool.
6. No lorries are allowed within a three-mile...
7. This information is easily...to everyone at the local library.
8. Market...has shown that many people now prefer lager beer.
<b>III. Complete each sentence, using if, unless, or would</b>
1. I would help him...he asked me.
2. What...you do if you saw a snake?
3. I don't feel happy...I swim every day.
4. ...you like to see my stamp collection?
5. Come on!... we hurry, we'll miss the plane!
6. We'll have lunch outside in the garden,...it's too cold.
7. John...win more races if he trained harder.
8...: you feel like a chat, phone me tonight.
<b>IV. Rewrite each comment, beginning as shown. Do not change the meaning.</b>
1. Why don't you leave now? That's what I would do.
If...
2. Imagine you lived on Mars. How would you feel?
How...
3. I think you should buy a bike. That's what I would do.
If...
4. Imagine you were rich. What would you do?
What...
5. Supposing Jim came with us, what would you say?
What...
6. I didn't realize you were tired when I asked you to go for a walk.
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If...
8. Imagine you owned a robot. What would you do?
What...
<b>V. Put the sentences into reported speech.</b>
1. "If the weather is fine, I will go on a picnic with my friends," she said to me.
2. "What would you do if you had three days off?" I asked him.
3. "I would have come to see you if I had known you were ill, Jim," he] said.
4. "I'm sure she will help you if you ask her," he told me.
5. "If today were Sunday, we wouldn't go to school," they said to me.
6. She said to me, "If I were you, I wouldn't tell her about this, Tom."
7. She said to me, "There would not be enough seats if a lot of guestscame."
8. "You will be surprised if you meet him," Peter said to me.
<b>VI. Put the words in the correct columns</b>
<b>already international family population</b>
<b>organisation limitation probably important</b>
•
•
• •
• •
• •
• • •
•
<b>VII. Read the text and answer the questions below.</b>
Vietnam's population, which is growing at a rate of about 2.1 per cent annually, stands at over 76 million.
The country has an overall population density of 225 people per square kilometer, although in some areas
that figure stands at over 1,000 while in isolated areas the numbers are significantly less.
Ten per cent of the total population is made up ethnic minority groups. The vast majority of these people
live in mountainous regions. In the early 1990s, the number of households living below the poverty line in
these highland areas was much higher than the national average.
The reasons for the scale of this Poverty are varied - lack of education, high birth rates, and poor
communication and transportation. Droughts, storms and floods cause even greater hardship for these
isolated communities.
<b>Questions</b>
1. What's Vietnam's population?
2. By how much is Vietnam's population increasing every year?
3. What overall population density does Vietnam have?
4. What percentage of the total population is made up ethnic minority groups?
5. What are some of the reasons for poverty among ethnic minority groups?
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<b>KEY</b>
<b>I. 1. f 2. c </b>
3. g 4. h 5. e 6. a
7. b 8. d
<b>II. </b>
l. increase
2. doubled / increased
3. population
4. support
5. raised
6. limit
7. available
8. research
<b>III. </b>
1. if
2. would
3. Unless
4. Would
5. unless
6. unless
7. would
8. If
<b>IV. </b>
1. If I were you, I'd leave now.
2. How would you feel if you lived on Mars?
3. If I were you, I would buy a bike.
4. What would you do if you were rich?
5. What would you say if Jim came with us?
6. If I had realized you were tired, I wouldn't have asked you to go for a walk.
7. If I had turned left at the station, I wouldn't have lost my way.
8. What would you do if you owned a robot?
<b>V. </b>
1. She told me (that) if the weather were fine, I would go on a picnic with her friends.
2. I asked him what he would you do if he had three days off.
3. He told Jim (that) he would have come to see Jim if he had known Jim were ill.
4. He told me (that) he was sure she would help me if I asked her.
5. They told me (that) if that day were Sunday, they wouldn't go to school
6. She told Tom (that) if she were Tom, she wouldn't tell her about that.
7. She told me (that) there would not be enough seats if a lot of guests came.
8. Peter told me (that) I would be surprised if I met him.
<b>VI.</b>
•
•
• • •
•
• •
• •
• • •
•
already
important
probably
family
population
limitation
international organisation
<b>VII. </b>
1. Vietnam's population is over 76 million.
2. Every year Vietnam's population is increasing at a rate of 2.1 per cent
3. Vietnam has an overall population density of 225 people per square kilometer.
4. Ten per cent of the total population is made up ethnic minority groups.
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<b>UNIT 7 : WORLD POPULATION</b>
<b>I.</b> <b> Put the following words into the correct categories.</b>
glory, chronology, criminal, clear, struggle, quiet, growth, climate, Christmas, congratulate, choir, club, ugly, clothes,
graduate, agreement, equipment, create, question, greeting, chloride, craft, glamor, earthquake, background, crowded,
increase, English.
/ kl / _____________________________________________________________________________________
/ gl / _____________________________________________________________________________________
/ kr /_____________________________________________________________________________________
/ gr/ _____________________________________________________________________________________
/ kw/_____________________________________________________________________________________
<b>II. Choose the word that has the underlined part pronounced differently from the others.</b>
1. a. figure b. grow c. organize d. average
2. a. question b. discotheque c. technique d. antique
3. a. increase b. expect c. resource d. continue
4. a. government b. gold c. give d. enough
5. a. earth b. growth c. although d. third
6. a. chloride b. Christmas c. choir d. chronology
7. a. limit b. figure c. iron d. billion
8. a. great b. available c. raise d. said
9. a. decreased b. used c. reached d. developed
10. a. program b. earth c. birth d. produce
<b>III. Choose the word which is stressed differently from the rest.</b>
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10. a. method b. women c. something d. support
<b>IV. Choose the best answer.</b>
1. The population of the world has been increasing faster and faster.
a. becoming greater in number b. getting smaller in amount
c. going limited d. raisid. raising uncontrollably
2. There are also limits to amounts of petroleum, iron, silver, gold, and other metals.
a. qualities b. numbers c. quantities d. totals
3. Although I asked him twice, he had no answer.
a. reply b. talk c. demand d. method
4. In 10,000 B.C., there were probably only 10 million people all over the world.
a. almost certainly b. surely c. quite d. mostly
5. After a pause, the lecturer continued speaking.
a. put out b. made up c. went on d. took over
6. The rapid growth of population led to an acute __________ of housing.
a. shortfall b. shortcut c. shortcoming d. shortage
7. The population of the world is growing at a dangerous __________.
a. amount b. rate c. figure d. way
8. One third of the world’s population ________ two thirds of the world’s resources.
a. drains b. absorbs c. consumes d. supports
9. Pressure on natural resources will __________ as we face a population explosion.
a. increase b. decrease c. decline d. raise
10. Our school has managed to collect a lot of books to __________ to the children in a village school.
a. publish b. distribute c. employ d. depart
11. Some scientists say that there are enough resources to __________ 8 billion people.
a. provide b. distribute c. raise d. support
12. __________ is a kind of fossil fuels, which is used for operating engines.
a. Iron b. Silver c. Gold d. Petroleum
13. He has to work very hard to earn enough to __________ his big family.
a. reach b. govern c. limit d. support
14. ______ earth is overpopulated.
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a. expensive b. inexpensive c. expensively d. inexpensively
16. Are you interested in doing ________ research?
a. science b. scientist c. scientific d. scientifically
17. Many governments are trying to control the population __________.
a. grow b. growth c. grew d. grown
18. Her first novel has been __________ acclaimed as a masterpiece.
a. nation b. national c. international d. internationally
19. Better health care and agriculture have led to rapid population __________.
a. grow b. growing c. grown d. growth
20. There is no __________ to how much fresh fruit you can eat in a day, isn’t there?
a. limit b. limitation c. limited d. limiting
21. Like many other baby birds, ducklings are blind __________ birth.
a. of b. at c. on d. from
22. People are not aware __________ the problem of overpopulation.
a. for b. of c. at d. in
23. Scientists say that the main reason __________ population explosion is an increase in birth rates.
a. of b. to c. for d. in
24. Lack __________ food had stunted his growth.
a. of b. in c. for d. on
25. Nigeria has a population __________ nearly 100 million.
a. about b. in c. of d. with
<b>V. Put the verbs in brackets into the correct form.</b>
1. If it doesn’t rain, I ( come) ___________ to see you.
2. If it didn’t rain, I ( come) ____________ to see you.
3. I ( drive) _________ to work if I had a car.
4. Where in Vietnam would you like to live if you ( can) _________ choose?
5. If the weather ( be) _________ good, we will have lunch outside.
6. If the company offers me a job, I think I ( take) ____________ it.
7. Many people would be out of work if that factory ( close) ________ down.
8. If you finish before 4: 30, I ( come) ___________ and pick you up.
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11. They would have paid you more if they ( be told) ____________ of its value.
12. If I ( realise) ___________ that Greg wanted to get up early, I would have woken him up.
13. If you had had breakfast, you ( not be) ____________ hungry.
14. If they had had enough money, they ( buy) ___________ that house.
15. If he ( study) __________ harder, he would have passed the exam.
16. If he ( read) ________ in bad light he will ruin his eyes.
17. We’ll stay home if it ( rain) _________ hard.
18. The table will collapse if you ( stand) _________ on it.
19. I won’t open the door if I ( not know) ___________ who it is.
20. If he ( not start) _________ at once he’ll ba late for the bus.
21. If I make that mistake again, my sister ( get) _________ angry with me.
22. The police ( arrest) ________ him if they catch him.
23. Someone ( steal) _________ your car if you leave it unlocked.
24. If you ( meet) __________ him,remember not to tell what I ( just say) __________ to you.
25. If you ( see) _________ Mary today, please ( ask) _____ her to call me.
26. If I ( be) _______ you, I ( refuse) ___________ his invitation.
27. I ( go) _______ camping with my friends if today ( be) ________ Sunday.
28. What ( happen) ___________ if there ( not be) _____________ gravity?
29. If people ( drive) ________ more carefully, they wouldn’t have so many accidents.
30. If she ( not be) ________ at home, she would be very sorry about that.
31. If she ( not work) __________ hard, she couldn’t support her family.
32. If I spoke English, my job ( be) _________ a lot easier.
33. If I made a promise, I ( keep) __________ it.
34. They ( make) ________ fewer mistakes if they were more careful.
35. I ( not go) _________ there if I were you.
36. If I ( have) _________ enough money, I would have bought this bicycle.
37. If he ( not have) ___________ inside help, he couldn’t have stolen the jewels.
38. I would have come sooner if I ( know) ___________ you were in.
39. If the match had been exciting, I ( not fall) __________ asleep.
40. If you had asked me, I ( accept) ___________ .
41. Had we known your address, we ( write) ____________ you a letter.
42. Had he been there, he ( give) ___________ you a hand.
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44. Fred failed the test because he didn’t study. If he ( study) __________ for the test, he ( pass) ________ it.
45. You were late last night. If you ( arrive) _________ 10 minutes, you ( get) _________ a seat.
<b>VI. Rewrite these sentences, using “ Unless” instead of “ If”</b>
1. If you are not careful, you will cut yourself with that knife.
→ __________________________________________________________________________ .
2. If you do not like this one, I’ll bring you another.
→ __________________________________________________________________________ .
3. I’ll not be able to do any work if I do not have a quiet room.
→ __________________________________________________________________________ .
4. If she doesn’t hurry, she’ll be late.
→ __________________________________________________________________________ .
5. If you don’t study hard, you’ll fail in the exam.
→ __________________________________________________________________________ .
6. If she doesn’t water these tree, they will die.
→ __________________________________________________________________________ .
7. If I have time, I’ll help you.
→ __________________________________________________________________________ .
8. If I win a big prize in a lottery, I’ll build a school for the poor.
→ __________________________________________________________________________ .
9. If you don’t like this one I’ll bring you another.
→ __________________________________________________________________________ .
10. If you aren’t more careful, you’ll have an accident.
→ __________________________________________________________________________ .
<b>VII. Rewrite these sentences, using “ If” </b>
1. Hrry up or you’ll be late for school.
→ __________________________________________________________________________ .
2. go right now or you’ll miss the bus.
→ __________________________________________________________________________ .
3. Be calm or you’ll make a wrong decision.
→ __________________________________________________________________________ .
4. He will come here next week, he will phone you.
→ __________________________________________________________________________ .
5. Today is not Sunday, so the pupils can’t go camping.
→ __________________________________________________________________________ .
6. Because I don’t know the answer, I can’t tell you.
→ __________________________________________________________________________ .
7. She works very hard, so she earns a lot of money.
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8. I got lost because I didn’t have a map.
→ __________________________________________________________________________ .
9. His friends were late, so they missed the train.
→ __________________________________________________________________________ .
10. I couldn’t write to Alice because I had no address.
→ __________________________________________________________________________ .
<b>VIII. Choose the best answer. </b>
1. Daisy said if she __________ me she should not buy that house.
a. is b. been c. were d. had been
2. If anyone __________, __________ him I __________ back at 9 o’clock.
a. calls / tell / will be b. called / telling / would be
c. is calling / tells / am d. will cal / to tell / am
3. Mary said if she __________ the answer, she would have told me.
a. knows b. knew c. had known d. would have known
4. If he had tried harder, he __________.
a. will not be sacked b. will not sack
c. would not sack d. wold. would not have been sacked
5. If sea water _______ salty, it would be more
interesting when we spend our summer holidays
by the sea.
a. is not b. are not
c. were not
d. had not been
6. __________now, we would not go out.
a. If is not snowing b. Unless it were
snowing c. Were it not snowing d. If were it
snowing
7. The doctor told me unless you __________the
baby warm, he __________ ill.
a. do not keep / will be b. kept / would be
c. didn’t keep / would be d. keep / will be
8. If she asks for money, I __________ her.
a. will give b. gave
c. would give
d. would have
given
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would be able to expand the business.
a. would become b. were become
c. had become
d. became
10. If I __________this exam I’ll go to the university next
Summer.
a. pass b. to pass
c. had passed
d. passed
11. __________in my seventies and rather unfit, I might
consider taking up squash.
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b. Unless Mary worked hard enough, she would fail in her exams.
c. If Mary didn’t work hard enough, she would fail in her exams.
d. If Mary had worked hard enough, she wouldn’t have failed in her exams.
15. She didn’t buy the dress because she didn’t have enough money.
a. If she had enough money, she would buy the dress.
b. If she has enough money, she would have bought the dress.
c. If she has enough money, she would have bought the dress.
d. Unless she has enough money, she would buy the dress.
16. We didn’t have enough rain, so we could not grow rice.
a. If we had had enough rain, we could have grown rice.
b. If we had enough rain, we could grow rice.
c. Unless we had enough rain, we couldn’t have grow rice.
d. b and c.
17. Her friends are sad because she isn’t here.
a. If she is here, her friends won’t be sad.
b. If she were here, her friends wouldn’t be sad.
c. If she had been here, her friends wouldn’t have been sad.
d. Her friends will be sad unless she is here.
18. We didn’t know your sister was ill, so we didn’t visit her.
a. If we knew your sister was ill, we would visit her.
b. If we had known your sister was ill, we would have visited her.
c. If we know your sister was ill, we will visit her.
d. Unless we know youe sister was ill, we won’t visit her.
19. My friend can’t speak English, so he can’t apply the job.
a. If my friend can speak English, he canapply for the job.
b. If my friend couldn’t speak English, he couldn’t apply for the job.
c. If my friend couldn’t speak english, he could apply for the job.
d. If my friend could speak English, he could apply for the job.
20. If they cleaned the windows, the rooms ________ brighter.
a. will look b. liiked c. look d. would look
<b> </b>
<b> XI. Identify the one underlined word or phrase that must be changed for the sentence to be correct.</b>
<b> </b>1. The world’s population was higher in the 1980s more than in the 1960s.
a b c d
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a lot from overpopulation.
d
3. Those women said that if they had known how to use birth control methods they would have not
many children. a b c d
4. Although they do not want to have children anymore, but they do not know of safe ways to use
a b c d
birth control methods.
5. If I had known English better, I would apply for that job.
a b c d
6. Does the Earth has enough resources to support many people?
a b c d
7. His English friend told him that he would help him to learn English if he has time.
a b c d
8. She told me if she were me she would have bought that house.
a b c d
9. Death rates can change unexpectedly because of disease, war and catastrophes, or advances in medicine.
a b c d
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