雅思阅读长难句如何化繁为简

　　6. What makes a language endangered is not just the number of speakers, buthow old they are. (4A0201)

　　7. In the Native American Navajo nation, which sprawls across four statesin the American south-west, the native language is dying.(4A0201)

　　8. The problem of how health-care resources should be allocated orapportioned, so that they are distributed in both the most just and mostefficient way, is not a new one. (4A0403)

　　9. Every health system in an economically developed society is faced withthe need to decide (either formally or informally) what proportion of thecommunity’s total resources should be spent on health-care; how resources are tobe apportioned; what diseases and diabilities and which forms of treatment areto be given priority; which members of the community are to be given specialconsideration in respect of their health needs; and which forms of treatment arethe most cost-effective. (4A0403)

　　10. People are not in a position to exercise personal liberty and to beself-determining if they are poverty-stricken, or deprived of basic education,or do not live within a context of law and order. (4A0403)

　　11. The spread of monoculture and use of high-yielding varieties of cropshave been accompanied by the disappearance of old varieties of food plants whichmight have provided some insurance against pests or diseases in future.(3A0202)

　　12. Animals at play often use unique signs—tail-wagging in dogs, forexample—to indicate that activity superficially resembling adult behaviour isnot really in earnest. (4A0203)

　　13. A few years ago, in one of the most fascinating and disturbingexperiments in behavioural psychology, Stanley Milgram of Yale University tested40 subjects from all walks of life for their willingness to obey instructionsgiven by a “leader” in a situation in which the subjects might feel a personaldistaste for the actions they were called upon to perform. (5A0102)

　　14. How can we possily account for this vast discrepancy between what calm,rational, knowledgeable people predict in the comfort of their study and whatpressured, flustered, but cooperative “teachers” actually do in the laboratoryof real life? (5A0102)

　　15. A modern hard-core sociobiologist might even go so far as to claim thatthis aggressive instinct evolved as an advantageous trait, having been ofsurvival value to our ancestors in their struggle against the hardships of lifeon the plains and in the caves, ultimately finding its way into our geneticmake-up as a remnant of our ancient animal ways. (5A0102)

　　16. Breeding seasons in animals such as birds have evolved to occupy thepart of the year in which offspring have the greatest chances of survival.(5A0403)

　　17. This is the process by which plants use energy from the sun to convertcarbon from soil or water into organic material for growth.(5A0403)

　　18. Recently, however, it has been experiencing something of a renaissance,with renewed demand for original Bakelite objects in the collectors’marketplace, and museums, societies and dedicated individuals once againappreciating the style and originality of this innovative material. (5A0201)

　　19. The fact that children’s ideas about science form part of a largerframework of ideas means that it is easier to change them. (4A0101)

　　20. These misconceptions do not remain isolated but become incorporatedinto a multifaceted, but organised, conceptual framework, making it and thecomponent ideas, some of which are erroneous, more robust but also accessible tomodification. (4A0101)

　　21. Never before has the planet's linguistic diversity shrunk at such apace. (4A0201)

　　22. Not only did it solve a problem that had intrigued man for ages, but,more importantly, it literally opened the door to exploration of the universe.(3A0101)

　　23. Life itself was a perpetual and punishing search for food: somefamilies grew manioc and other starchy crops in small garden plots cleared fromthe forest, while other members of the tribe scoured the country for small gameand promising fish holes. (3A0302)

　　24. There is clear-cut evidence that, for a period of at least one year,supervision which increases the direct pressure for productivity can achievesignificant increases in production. However, such short-term increases areobtained only at a substantial and serious cost to the organisation.(3A0403)

　　25. Of growing interest is the way in which much of what we might see asdiaposable is, elsewhere, recycled and reused. (3A0301)

　　26. These misconceptions do not remain isolated but become incorporatedinto a multifaceted, but organised, conceptual framework, making it and thecomponent ideas, some of which are erroneous, more robust but also accessible tomodification. (4A0101)

　　27. The explosion in demand for accommodation in the inner suburbs ofMelbourne suggests a recent change in many people’s preferences as to where theylive.

　　28. Take the exercise theory. (4A0203)