Which of the following recommendations might be made by the author？
A. Increasing food and industrial production, and encouraging people in undeveloped countries to have fewer children.
B. Improving education about the environment and banning the export of wood products from poor to rich countries.
C. Encouraging people worldwide to have fewer children and to behave in a more responsible way towards nature.
D. Restricting population worldwide and increasing the use of nonrenewable resources.
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Which of the following is a reason why fire ants are considered pests？
A. They may cause possible mechanical breakdowns to mowing equipment.
B. A person has a 60% chance to be stung by fire ants every year.
C. 1% of the fire ants will cause allergic reactions to the people stung.
D. They will disrupt the food chain by killing off other ants and larger animals.
The writer's main purpose in paragraph 6 is to argue that
A. people in developed countries generally have more impact on nature than others.
B. Japanese children are generally better than children born in India.
C. Japanese children consume too much of the world's resources.
D. people from some countries are more selfish than others in their consumption of resources.
Traditional biologists might believe the following except
A. the left side of the human brain is associated with language abilities.
B. the left side of human brain ever controlled the left body in the long past.
C. the left-handed people are less advantageous than the right-handed ones.
D. the right-handers are less advantageous than the left-handers in sports.
The author seems to be suspicious of the public-health success because
A. the message that smoking kills isn't voiced loudly enough.
B. unskilled workers are more willing to pay for the heavy tax in cigarettes.
C. single mothers are more likely to use their benefits to buy cigarettes.
D. the positive effects are yielded mostly on the richer population.
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