28. There are fewer _______, allowing you to enjoy the natural sounds of the wilderness. (A) disturbances (B) highways (C) buildings (D) cities

複選題38. When faced with a complex math problem, which two approaches are likely to help solve it effectively? (A) Trying one method repeatedly (B) Breaking the problem into smaller parts (C) Skipping the problem and moving to the next (D) Looking for patterns or relationships (E) Guessing the answer quickly to save time