試題詳解

50. According to the passage, which of the following statements is NOT true?
(A) Surfing is exciting, but it can be dangerous too.
(B) Skydiving can be dangerous because of unpredictable air currents.
(C) People who go hang gliding must receive special training in the use of an oxygen mask.
(D) People who go rock climbing take greater risks than those who drive through the desert.