Bài tập tiếng anh lớp 11 Unit 7 World population

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Bài tập tiếng anh lớp 11 Unit 7 World populationUNIT 7 WORLD POPULATIONII. Complete each of the sentences with the correct form of the verb in the box. increase expect decrease reach limit raise control populate support freeze1. North America was once widely ______ by Native American tribes.2. The worlds 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 ______.III. Fill in the blank with a suitable word to complete the passage. China is the most populous country of the world. Its (1) ______ is approximately 1.3 billionpeople, which is almost 22% of the (2) ______ population. The population density is high in thesoutheast: 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) ______ 663people per square kilometer. Shanghai is Chinas largest city, (5) ______ population density reaches2,118 people per square kilometer. Chinas population growth rate has (6) ______ in the past years, although its population is stillincreasing. 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 thecountryside where each couple may have more than one child, According to the report of Major Figures ofPopulation of China, the annual growth rate of Chinas population (9) ______ from 25.83% (in 1070) downto 11.21% (in 1994) and to 8.77% (in 1999) in the past 20 years. This should be (10) ______ a greatsuccess.IV. Underline the best answers.1. If you have left/ left home before I get there, I will/ would meet you at the airport.2. How will/ would your father react if you leave/ left school?3. If you will go/ go to England next month, you will/ must drive on the left.4. Were/ Was I your doctor, Id insist that you stop smoking.5. You may/ might be sorry if you spend/ spent all your money.6. Will/ Can I use your computer, if I am/ were careful?7. Will/ Would people be able to fly if they have/ had feathers instead of hair?8. If anyone should/ might call, would you please take a message?9. If your mother is/ were here, Im sure she wont/ wouldnt let you eat all those chocolates.10. Were they not/ Weren’t they rich, they couldnt have gone to the USA for their holiday.V. 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 - learn1. 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. Im 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.VI. 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 wouldnt 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).9. There have been a lot of thefts from cars in the city center. If you ______ (leave) your car there, ______ (not leave) any valuabIes in it.10. I dont have enough money to buy that house. But if I ______ (have) more money, I ______ (buy) it.11. I got wet because I didnt take my umbrella. However, I ______ (not/ get) wet if I ______ ( ...