Part B Directions： Read the texts from a magazine section called“Letters”in which five

A. Prevention should always come before treatment．
B. A new medical treatment needs to be administered with Calltion．
C. Pills often perform. miracles on people who take them．
D. A change of behavior. counts more than reliance on drugs．
E. However good the new drugs，their affordability is first and foremost
F. New drugs shguld nor be put onto the market until proven effective．
G. Drug companies are justified to sell their products at higher