【正文】
ations is that nuclear reactors are more expensive to build and demission, but cheaper to sun. So disputes over the relative efficiency of the two systems revolve not just around prices of coal and uranium today and tomorrow, but also around the way in which future ine should be pared with current ine.” 1. The main difference between nuclear and fossilfuelled power stations is an economic one. TRUE UNTRUE CANNOT SAY 2. The price of coal is not relevant to discussions about the relative efficiency of nuclear reactors. TRUE UNTRUE CANNOT SAY 3. If nuclear reactors were cheaper to build and demission than fossilfuelled power stations, they would definitely have the economic advantage. TRUE UNTRUE CANNOT SAY “ At any given moment we are being bombarded by physical and psychological stimuli peting for our attention. Although our eyes are capable of handling more than 5 million bits of data per second, our brain are capable of interpreting only about 500 bits per second. With similar disparities between each of the other senses and the brain, it is easy to see that we must select the visual, auditory, or tactile stimuli that we wish to pute at any specific time.” 4. Physical stimuli usually win in the petition for our attention. TRUE UNTRUE CANNOT SAY 5. The capacity of the human brain is sufficient to interpret nearly all the stimuli the senses can register under optimum conditions. TRUE UNTRUE CANNOT SAY 6. Eyes are able to cope with a grea