1. The main idea of this passage is to
　　[ A ] describe a woman who suffered from a psychological disease
　　[ B ] warn the readers against any imagination
　　[ C ] explain the reason why Karen had such fanciful thoughts
　　[ D ] present a case for the readers to study
　　2. Which of the following statements, if true, could most probably cure Karen of the illness?
　　[ B ] She had a job having little to do with numbers.
　　[ C ] She went to a psychoanalyst.
　　[ D ] She gave up smoking and drinking coffee.
　　3. What does the underlined word preoccupation mean?
　　[ A ] The first right to occupy something.
　　[ B ] The first impression.
　　[ C ] The extreme focus of attention.
　　[ D ] The question.
　　4. Which of the following inferences is most probably NOT true according,to the passage?
　　[ A ] When Karen was in a great hurry to smoke, she would feel much anxiety.
　　[ B ] If she selected the fourth item on the shelf in a group, the fourth child must experience some unknown disaster.
　　[ C ] Drinking four cups of coffee would make Karen more comfortable than drinking two cups.
　　[ D ] Karen was a mother of four sons.
　　5. The author cited the example of the grocery shopping to
　　[ A ] demonstrate her children' s safety was closely related to the item she selected in the store
　　[ B ] account for Karen' s inability to perform everyday activities
　　[ C ] show how specific numbers were related to the safety of her children
　　[ D ] further explain that Karen was suffering from a psychological illness