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30.We have not used this computer for a long time.. For a long time has not been used this computer.[r]
(1)Unit 10 : Conservation
I.Choose the one or phrase that best completes each sentence.
1. The new laws to conserve wildlife in the area will come into force next month A protect B pollute C destroy D eliminate
2. Water pollution is more and more serious due to the tests of nuclear weapon in the seas and oceans
A circulation B environment C elimination D contamination 3. Man and animals need a constant supply of water to live
A regular B rare C short D inadequate
4. Without plants, most water would run off as soon as it falls, taking away valuable soil
A supplying B recovering C removing D holding
5. The farmers removed some undeveloped trees to improve the growth of the rest
A eliminated B planted C fertilized D transferred 6. Harmful insects must be _to protect our crops
A conserved B protected C destroyed D cultivated 7. The new laws will be _to restrict wildlife destruction A pasted B passed C supplied D taken away
8. Up to now, AIDS have not been _, and more and more people died of the disease
A treated B concerned C killed D stopped 9. We cannot clean up our polluted rivers and seas _ A during the night B at night C very quickly D very slowly
10.She is a famous _ she is very interested in protecting wild animals from extinction
A conserve B conservationist C conservation D conservational
11.Up to now, we have hardly estimated the _that our country suffered during the war
A destroy B destroyable C destructive D destruction
12.The government have become more and more worried about the _of the coastline by the sea
A erode B erosion C erosive D erodent
13.We should something immediately to save the Earth _ being destroyed
A from B for C in D at
14.Man is doing harm _the environment
A on B in C for D to
15.Fire is the greatest danger _forests
A on B of C to D in
(2)17.The roads in our town _
A wide B are being wide C are being widened D are being widen 18.Just a minute The food is ready and the table _
A set B sets C is setting D is being set 19. _ this tractor _ last year?
A Did /buy B Was / bought C Has / bought D Has /been bought
20.In some areas, water _from the ground faster than nature can replenish the supply
A is being taken B has been taking C is taking D has taken
II.Identify the one underlined word or phrase that must be changed for the sentence to be correct.
21.Erosion, which washes away valuable top soil, can prevent by planting trees and grass
22.The first modern type of printing press was invented with a German, Johannes Gutenberg, in 1439
23.It is estimated that much of a teenager’s time is spending chatting on the Internet
24.It’s his wish that the money should to be given to charity
III.Choose the one or phrase that best completes each sentence. 25.It is impossible to this work
A It is impossible to be done this work B To be done this work is impossible C Being done this work is impossible D This work is impossible to be done 26.The teacher made us a lot of homework because the final examination was coming
A A lot of homework was made to
B A lot of homework was made by the teacher
C We were made a lot of homework by our teacher D We were made to a lot of homework by our teacher 27.They will find a better solution
A A better solution will be found B A better solution will be find C A better solution will found D A better solution will been found 28.Mr Pike is repairing the refrigerator at the moment
A The refrigerator is being repaired at the moment by Mr Pike B The refrigerator is repaired by Mr Pike at the moment C The refrigerator is being repaired by Mr Pike at the moment D The refrigerator is be repairing by Mr Pike at the moment 29.They _at work
A allow not to be worn jeans B are not allowed being wear jeans
(3)30.We have not used this computer for a long time A For a long time has not been used this computer B This computer has not used for long time
C This computer has been not used for long time
D This computer has not been used for long time III.Read the passage, and then choose the correct answer
We are all slowly destroying the earth The seas and rivers are too dirty to swim in There is so much smoke in the air that it is unhealthy to live in many of the world’s cities In one well-known city, for example, poisonous gases from cars pollute the air so much that traffic policemen have to rear oxygen masks
We have cut down so many trees that there are now vast areas of wasteland all over the world As a result, farmers in parts of Africa cannot grow enough to eat In certain countries in Asia there is too little rice Moreover, we not take enough care of the countryside Wild animals are quickly disappearing For instance, tigers are rare in India now because we have killed too many for them to survive However, it isn’t enough simply to talk about the problem We must act now before it is too late to anything about it Join us now Save the Earth This is too important to ignore
31.The seas and rives nowadays _
A cannot be swum in B are less dirty than they used to be
C are dirty enough to swim in D are contaminated 32.Smoke _
A is harmful to health B is full of the big cities C causes a healthy life D makes life in big cities difficult
33.In one well-known city, traffic policemen have to wear oxygen masks _
A in order to protect themselves from being injured B because there are so many cars on the streets C in spite of poisonous gases
D because of air pollution
34.Why farmers in parts of Africa and Asia not grow enough to eat? A Because many trees have been planted
B Because people cut down many trees C Because there is too little rice
D Because there are large areas of land that cannot be used 35.Wild animals are _
A in danger of extinction
B being protected from natural environment
(4)IV Choose one word whose underlined part is pronounced differently from the others
36a.protect b.puppy c.provide d.psychology
37a.near b.heard c.clear d.tear
38a.suburb b.tomb c.probably d.valuable
VI.Choose one word whose stress pattern is different from the others 39a.especiallyb.engineer c.eliminate d.endangered
40a.constant b.conserve c.construct d.remain