Waterskiing riders are towed behind a specially built speedboat.

AV-shapedripplewiththepointoftheVpointingupstreaminarivermayindicatea（）. A: submergedrock，notdangeroustonavigation B: sunkenwreck，notdangeroustonavigation C: towed-underbuoy D: Alloftheabove

In what way is the sport like waterskiing? A: They both started in California. B: The riders are both towed behind a speedboat. C: The riders are launched into the air.

Which of the following statements is INCORRECT The policewoman was sure that ______. A: Simpson was speeding up B: the other driver was drunk C: the other driver would have a blood test D: she would have the damaged car towed away