Passage 1　　The human race is using up the Earth's resources faster than ever before, according to a new report by the United Nations Population Fund. “Environmental devastation is not simply a waste of 1, it is a threat to the complex structures that 2human development,” says the report.  3 attention must be paid to find a（n）  4 between human and environmental needs, it says.　　The report, State of the World Population 2001, says that water supplies and agricultural lands are coming  5 such increasing pressure that, if left  6 , our planet will not be able to support us in future years. Over the past 70 years, the world’s population has tripled to 6.1 billion people,  7 water-use increasing six-fold, says the report. Already 508 million people live in 31 countries that lack water. And the problem is likely to  8 as the global population is  9 to rise to eight billion by 2025.　　By 2050, predicts the report, 4.2 billion people will be living in countries that cannot meet people's daily  10 needs. Unclean water and poor sanitation already kills over 12 million people every year. Food production is also  11 by environmental problems, says the report. “To  12 the future population and improve their diets, the world will have to double food production,” it says. “But since available cropland is  13 , most production will have to come from higher  14 rather than new  15 .”　　According to the report, global poverty cannot be  16 without  17 the environmental damage caused by these increases in consumption and population  18 . To reduce the burden on the planet, the report suggests, all efforts should be  19 to improve education and healthcare, as this would  20 reduce population growth.1. A. facilities　　　 B. resources　　　C. reserves　　　D. provisions2. A. support　　　　　B. found　　　　　C. retain　　　　D. advocate3. A. Intensive　　　　B. Intense　　　　C. Emergent　　　D. Urgent4. A. equation　　　　 B. tradeoff　　　 C. balance　　　 D. axis5. A. under　　　　　　B. into　　　　　 C. below　　　　 D. beyond6. A. unnoticed　　　　B. behind　　　　 C. alone　　　　 D. unchecked7. A. in　　　　　　　 B. with　　　　　 C. by　　　　　　D. above8. A. aggravate　　　　B. heighten　　　 C. decline　　　 D. worsen9. A. projected　　　　B. speculated　　 C. intended　　　D. assessed10. A. luxurious　　　 B. utmost　　　　 C. intrinsic　　 D. basic11. A. affected　　　　B. effected　　　 C. reflected　　 D. generated12. A. contain　　　　 B. lodge　　　　　C. furnish　　　 D. accommodate13. A. shrinking　　　 B. diminishing　　C. contracting　 D. waning14. A. outputs　　　　 B. turnovers　　　C. yields　　　　D. harvests15. A. cultivation　　 B. production　　 C. farming　　　 D. plowing16. A. lightened　　　 B. released　　　 C. elevated　　　D. alleviated17. A. reversing　　　 B. inverting　　　C. upsetting　　 D. disregarding18. A. standards　　　 B. indexes　　　　C. norms　　　　 D. levels19. A. tried　　　　　 B. taken　　　　　C. done　　　　　D. made20. A. in effect　　　 B. in turn　　　　C. in part　　　 D. by turns