[ Exercise 19 ]

  1. A more effective approach must be developed to solve the complicated problem. [ more >>> ]

  2. Opportunities might be available for investment. [ more >>> ]

  3. The investigator assumes that the constructs are valid. [ more >>> ]

  4. Increasing evidence supports the role of protein in prolonging life. [ more >>> ]

  5. Exactly how nutrition affects growth must be examined. [ more >>> ]

  6. The market potential carbon black in Taiwan has received increasing interest. [ more >>> ]

  7. All alternatives must be explored before deciding what to do. [ more >>> ]

  8. Another option allows students work and pursue and academic career. [ more >>> ]

  9. Instructors must orient all incoming students. [ more >>> ]

  10. The two approaches do not significantly differ. [ more >>> ]