39. ______, follow the directions on the bottle carefully. (A)When taken drugs (B)When drugs taken (C)When one takes drugs (D)When taking drugs

45. What is the main idea of the last paragraph? (A)There is nothing wrong with teenagers admiring pop singers and sport stars. (B)Pop singers and sport stars should not be heroes of our children. (C)If our children admire pop singers and sports stars, it is the parents who are to blame. (D)Parents should set a good example for their children to follow.