Which statement on mountain bikes is NOT correct?
A. Mountain bikes usually have wide knobby tires.
B. Mountain bikes can be ridden on a variety of surfaces, including sandy or rocky trails.
C. Mountain bikes are not suitable for off-roading.
D. Most frames of mountain bikes are steel due to the strength and durability the material offers.
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Which of the following is NOT included in the cycling rules that we should follow?
A. Bikers should ride on reserved bike lanes whenever available.
Bikers should wear an approved bicycle helmet that meets safety standards.
C. Bikers should make themselves more visible to others when visibility is poor.
D. Bikers can only obey the traffic rules when going through intersections and busy areas.
Cycling is a high-impact exercise.
A. 对
B. 错
Different types of bikes can be classified as folding bikes as long as they can be folded.
A. 对
B. 错
Cycling can ease feelings of stress, depression, or anxiety.
A. 对
B. 错
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