13. Being the world heavyweight boxing champion, Muhammad Ali is ______ regarded as the most famous sportsman on the planet. (A) widely (B) secondly (C) timidly (D) usefully

36. Which of the following is NOT true according to the passage? (A) There is a relationship between overweight and colorectal cancer. (B) Colorectal cancer generally results from poor lifestyle choices. (C) Bowel cancer can be found easily at the early stage. (D) In Russia, colorectal cancer numbers were rising.