文档介绍：TOEFL_ASAK_001- 4/21/06 1:16 PM Page 86
86 Section 1 Guide to Reading
because an area is officially protected, that doesn’t mean 3. C The author says, “the American bison spread
that no one exploits the resources of that area. You can hire throughout the open grasslands of North America,
people to guard these resources but they can be corrupted, but in the southern part of the continent there are
bribed. There’s a good market for the parts of some endan- deserts, so the bison could not spread there.” We
gered animals, for tropical hardwoods, for the artifacts of can infer from this sentence that bison can live
ancient peoples. So you’ve got a lot of illegal hunting, of . . . only in open grasslands.
uh, cutting down trees, of stealing, and the roads just make 4. D The author says that “Most places that are suitable
it easier to do this, to get there and to get those illegal for the growth of dandelions are already occupied
goods out. by other plants that are well adapted to the area.
And what about the local people who are supposed to The dandelion seedling pete with these
benefit so much from this influx of eco-tourist revenue? It’s plants for space, water, light, and nutrients. Facing
true; there are usually more jobs than before. But often the such petition, the chances of survival are
local people have the most menial, the lowest-paying jobs slim.” Clearly, it is petition with other
available. Not only that, many of the jobs are filled by peo- species of plants that causes so few dandelion
ple from other areas e there looking for work. And seedlings to survive.
then, there’s cultural pollution, which happens when an 5. B The author does give an example of A in paragraph
isolated society es in contact with Western 4 (the Kirkland’s warbler). There is an example of C
civilization. You have people who were poor farmers or in paragraph 4 (the blue spotted salamander) and
hunter-gatherers one day and the next, they’re ta