Because I don’t have enough free time, I can’t help my mother with the house work.. Rita is exhausted today because she didn’t get any sleep last night.[r]
(1)Unit 7: WORLD POPULATION
Ex 1: Complete the sentences with the correct form of the verb in the box increase decrease reach limit support expect raise control populate freeze
1 North America was one widely by Native American tribes The world’s population is to be over billion by 2010 The population has from 1.2 million to 1.8 million Water at 00 C.
5 Parents should what their kids watch on TV
6 The number of new students from 210 to 160 this year My family have been sheep for over 60 years
8 How can we our families on such low wages? Profits are expected £2 billion this year 10 The role that women could play was socially Ex2: Fill in the blank with a suitable word to complete the passage
China is the most populous country of the world Its is approximately 1.3 billion people, which is almost 22 % of the population The population density is high in the south east: 43 % of the land contains most of its population A quarter of the population China is in the middle and lower parts of the Yangtze River, and the population density 663 people per square kilometer Shanghai is China’s largest city, population density reaches 2,upload.123doc.net people per square kilometer
China’s population growth rate has in the past years, although its population is still increasing In the 1970s, the government started to implement birth programs to the people: late marriage, late childbearing, a one-child family, and a four-year period between two 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 from 25.83% (in1970) down to 11.21% (in 1994) and to 8.77% (in 1999) in the past 20 years This should be 10 a great success
Ex3: 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? I to the party last night if I
3 If I your father was in hospital, I to visit him They a better hotel if they a few more kilometers If I how difficult the job was, I it
6 I’m sure we lost if we a map If you more carefully, the accident If you in Japan, you Japanese I taking the job if the salary higher
10 The child by a car if her mother her out of the street Ex4: 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) (you 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 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 I you had worked harder, you (pass) your final exam
8 If you want to learn a musical instrument, you (practise)
(2)10 I don’t have enough money to buy that house But if I (have) more money, I (buy) it
11 I got wet because I didn’t take my umbrella However I (not/get) wet if I (remember) to take my umbrella with me
12 I’m broke, but I (have) plenty of money now if I (not/spend) so much yesterday
13 Tom’s hobby is collecting stamps from all over the world If he (travel) to a new country, he (spend/always) time looking for new stamp
14 I’m doing the test very well now I (not/do) the test well if I (not/revise) thoroughly last night 15 (you/take) that job if you (know) that you had to work nights?
Ex5: Using the given information, make conditional sentences Use if
1 I don’t ride the bus to school every morning because it’s always so crowded
2 The school children sowed some seeds, but they forget to water them so they didn’t grow Stop talking or you won’t understand the lesson
4 The wind is blowing hard, so we won’t take the boat out for a ride Carol didn’t answer the phone because she was studying
6 I feel better now because you talked to me about my problems yesterday
7 Because I don’t have enough free time, I can’t help my mother with the house work Rita is exhausted today because she didn’t get any sleep last night
9 I didn’t prepare for today’s lesson So it is difficult for me to understand the teacher’s explanation 10 I don’t want them to be upset, so I’ve decided not to tell them what happened
11 Martin failed his driving test last week because he was very nervous 12 Go right now or you’ll be late for the train
13 Sally doesn’t know what she has to for homework because she was absent from school on Friday 14 Olga and Ivan weren’t paying attention, so they didn’t see the sign marking their exit from the highway 15 Paulo is working on two jobs right now, so he doesn’t have time to help you with your remodeling Ex6: Complete the second sentence so that it has the same meaning to the first
1 Jack was late to the meeting because his watch was slow If
2 Heinrich regret not having gone to art school when he was younger Heinrich wishes
3 We don’t live in a big city, so we can’t easily get access to the Internet If
4 “If your job is so bad, why don’t you leave?” she said She
5 I used my calculator; otherwise I’d have taken longer Had
6 “If my car was working I would drive you to the station,” Tom said to his mother Tom told
7 Speak to her only if she speaks to you first Don’t
8 If I weren’t in my 70s and rather unfit, I might consider taking up squash Were
9 “What will you if you miss your plane?” she asked She asked
10 Return the product to the shop if you have any complaints about it She told
Keys:Ex1:
1 populated expected increased freezes control
(3)Ex2:
1 population world of reaches whose
6 decreased control births fell 10 considered
Ex3:
1 hadn’t been promoted-would have left would have gone-had been invited had known-would have gone might have found-had driven had known-wouldn’t have taken would have got-hadn’t had had driven-wouldn’t have happened had grown up-might have learned might have considered-had been 10 would have been hit- hadn’t pulled Ex4:
1 stopped- would fly smoke-will/may object
3 wouldn’t your parents be hadn’t failed
5 have finished worked- would/could finish
7 would have passed should practise
9 leave- don’t leave 10 had-would buy
11 wouldn’t have got-had remembered 12 would have-hadn’t spent
13 travels- always spends 14 wouldn’t do-hadn’t spent
15 would you have taken-had known Ex5:
1 I would take the bus to school every morning if it weren’t always so crowded
2 If the school-children hadn’t forgotten/ had remembered to water the seeds, they would have grown If you don’t stop talking, you won’t understand the lesson
4 If the wind weren’t blowing hard, we would take the boat out for a race If Carol hadn’t been studying she would have answered the phone
6 I wouldn’t feel better now if you hadn’t talked to me about my problem yesterday If I had more free time I could help my mother with the housework
8 Rita wouldn’t be exhausted today if she had gotten some sleep last night
9 It wouldn’t be difficult for me to understand the teacher’s explanation if I had prepared for today’s lesson 10 They would be upset if I told them what happened
11 If Martin hadn’t been very nervous, he wouldn’t have fallen/ would have passed his driving test last week 12 If you don’t go right now, you’ll be late for the train
13 If Sally hadn’t been absent from school on Friday, she would know what she has to for homework 14 If Olga and Ivan had been paying attention,, they would have seen the sign marking their exit from the
highway
15 If Paula weren’t working on two jobs right now, he would have time to help you with your remodeling Ex6:
1 If Jack’s watch hadn’t been slow, he wouldn’t have been late to the meeting Heinrich wishes he had gone to art school when he was younger
3 If we lived in a big city, we would easily get access to the Internet She advised me to leave my job (if it was so bad)
5 Had I not used my calculator, I would have taken longer
6 Tom told his mother that if his car was working/had been working he would drive/would have driven her to the station
7 Don’t speak to her unless she speaks to you first
8 Were I not in my 70s and rather unfit, I might consider taking up squash She asked what I would if I missed my plane