The world's population (1)________ five-billion mark in 1987 and it is increasing (2)________ about 1.7% a year. At this rate of growth, the number of people in the world will double every 41 years. This rapid increase has been called the (3)________ explosion. No one knows how many people the Earth can (4)________. Many scientists believe that the world will soon become (5)________, that is, it will have more people than it can support.
A.passedB.passC.pastD.passing2.A.toB.byC.inD.of3.A.pollutionB.pollutedC.populationD.populated4.A.be supportedB.supportsC.supportingD.support5.A.pollutedB.overpopulatedC.populatedD.overpopulation6.A.to liveB.livingC.liveD.lived7.A.pleasantB.pleasingC.pleasedD.unpleasant8.A.hopeB.hopingC.hopedD.hopeless9.A.builtB.buildingC.buildD.builds10.A.growB.growsC.grewD.growth
A.passedB.passC.pastD.passing2.A.toB.byC.inD.of3.A.pollutionB.pollutedC.populationD.populated4.A.be supportedB.supportsC.supportingD.support5.A.pollutedB.overpopulatedC.populatedD.overpopulation6.A.to liveB.livingC.liveD.lived7.A.pleasantB.pleasingC.pleasedD.unpleasant8.A.hopeB.hopingC.hopedD.hopeless9.A.builtB.buildingC.buildD.builds10.A.growB.growsC.grewD.growth
1. A
2. B
3. C
4. D
5. B
6. C
7. D
8. B
9. A
10. B
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