試題詳解

43 Which of the following statements is NOT true?
(A)Dr. Bonn’s experience in Iran initiated his subsequent research on quicksand.
(B)The amount of force necessary to get a trapped foot out of the quicksand is huge.
(C)Dr. Bonn was trapped in the quicksand because he failed to notice the warning sing.
(D)People who sink in quicksand are likely to die from drowning.