(A) Physical examinations and the uncovered laboratory tests together provide a more accurate diagnosis of many diseases than do physical examinations alone.
(B) Many physicians generally oppose insurance company regulations that, in order to reduce costs, limit the use of laboratory tests.
(C) Many patients who might benefit from the uncovered laboratory tests do not have
any form of health insurance.
(D) There are some illnesses that experienced physicians can diagnose accurately from physicians examination alone.
(E) Laboratory tests are more costly to perform than are physical examinations.
3. Oil analysis predict that if the price of oil fails by half, the consumer s purchase price for gasoline made from this oil will also fall by half.
Which one of the following, If true, would cast the most serious doubt on the prediction made by the oil analysts?
(A) Improved automobile technology and new kinds of fuel for cars have enabled some drivers to use less gasoline.
(B) Gasoline manufacturers will not expand their profit margins.
(C) There are many different gasoline companies that compete with each other to provide the most attractive price to consumers.
(D) Studies in several countries show that the amount of gasoline purchased by consumers initially rises after the price of gasoline has fallen.
(E) Refining costs, distribution costs, and taxes, none of which varies significantly with oil prices. constitute a large portion of the prices of gasoline.
4. A survey was recently conducted among ferry passengers on the North Sea. Among the results was this: more of those who had taken anti-seasickness medication before their trip reported symptoms of seasickness than those who had not taken such medication. It is clear, then that despite claims by drug companies that clinical tests show the contrary people would be better off not taking anti-seasickness medications.