Today concern for the environment extends into suc...
Today concern for the environment extends into such areas as chemical pollution of the air we breathe and the water we drink, strip mining, dam and road building, noise pollution, offshore oil drilling, nuclear energy, waste disposal, the use of aerosol cans and nonreturnable beverage containers and a host of other issues. In fact, there is hardly a realm of national life that is not touched by the controversy that often pits those who style. themselves environmentalists against proponents of economic growth in our energy-consuming society. The problem is to balance the needs of the environment against those of the economy or consumers trying to cope with the high cost of living without destroying the earth on which we all depend. In this sense, it is important how nations should go about making environmental policies choice. Public awareness education on environment should be enhanced among citizens.
The critics of rich world environmentalists' campaign against pollution in poor countries hold that poor countries should be more concerned about ______.
A．the potential greenhouse effect
B．the bad consequences of genetically engineered crops
C．how to get rid of poverty
D．how to develop education
Our planet is like a bit spaceship. Our atmosphere acts【51】a shield against harmful radiation and space debris.【52】holds the air and people on the spaceship,【53】everything doesn't float away. Each of us is an astronaut and our spaceship, the earth, provides our food and water. The sun is our energy【54】and without it we would not be able to survive.
【55】every spaceship, the earth is a closed system. The only thing we receive from the outside is energy from the sun. Everything else must be used【56】again. We astronauts don't seem to realize that this spaceship is the【57】one we've got. We【58】its resources and waste the energy the plants have stored from the sun. If we【59】our spaceship, we will destroy ourselves as well. Maybe if we look at the universe which surrounds us, we will appreciate our own spaceship more and take【60】care of it.
For serious study, an anthropologist______.
A．must not study his own culture
B．is not supposed to have a prejudice against any society
C．should focus on those societies which are historically related to each other
D．is obliged to work only on those societies which have no historical relationship to each other