The weather conditions that are easy to cause traffic accidents are () A, B, C, D,

Analysis: We can see some coincidences on the weather forecast chart. These symbols are used to indicate weather conditions, and they all have specific meanings. A. symbolically, it is cloudy, which is not easy to cause traffic accidents. B. symbolically, it is sunny and it is not easy to cause traffic accidents. C. symbolically, it is cloudy. It is not easy to cause traffic accidents, so it does not meet the question. D. symbolically, it is fog, which is easy to cause traffic accidents. So it fits the question. D. Comments: This topic mainly examines commonly used weather symbols. This knowledge point is the key content, you should remember the meaning of each weather symbol.