09-10-07 Part Ⅳ Short Answer Questions（15 minutes） Direction： In this part there is a short passage with 8 questions or incomplete statements. Read the passage carefully. Then answer the questions or complete the statements in the fewest possible words....

09-10-07 Part Ⅳ Reading Comprehension (Reading in Depth)(25 minutes) Section A Questions 47 to 51 are based on the following passage. Many of the workers who served at the World Trade Center after the September eleventh attacks became sick. They breathed a...