B. Black letters or symbols on a yellow background. C. White letters or symbols on a blue background. D. White letters or symbols on a green background. E. xplanation : WARNING Signs - COLOR: Yellow, with black letters or symbols. 相关知识点: ...
What is the purpose of traffic warning signs? A. To beautify the roads B. To increase driving speed C. To prevent accidents D. To test drivers' knowledge 相关知识点: 试题来源: 解析 C。原因:文章中明确指出“The purpose of traffic warning signs is to prevent accidents”。
解析 B。原因:文章中明确提到 Environmental warning signs play a crucial role in our daily lives. They are designed to inform and educate people about the potential dangers to the environment. 所以环境警告标志的主要目的是告知人们环境危险。反馈 收藏 ...
Since yellow can be seen well at all times of the day, school zones, some traffic signs and school buses continue to be painted the colour.1. What’s the purpose of installing traffic lights in the 1920s? A.To increase the speed of cars. B.To improve road safety and efficiency. C....
上文Someone in the US has a stroke every 40 seconds.在美国每隔40秒就有人中风;下文Although stroke risk increases with age, about one-third of people hospitalized for stroke are under 65 years old.虽然中风的风险随年龄增长而增加,但约有三分之一因中风住院的患者年龄在65岁以下。B项"每四分钟就...
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What are the warning signs?Presents the warning signs of suicide among Afro-American women. Includes initial thoughts of suicide preceded by depression; Personal or family history of suicide.doi:10.1177/107110079902001101Jones, Martin W.Jones, Brenda D...
What are the warning signs of a stroke?The words BE FAST can help you remember and recognize warning signs of a stroke:B = Balance: Sudden loss of balance E = Eyes: Loss of vision in one or both eyes F = Face: Face droops on one side A = Arms: Arm drops when both arms are ...
What are the warning signs of a stroke?The word F.A.S.T. can help you remember and recognize warning signs of a stroke.F = Face: One side of the face droops. A = Arms: One arm starts to drop when both arms are raised. S = Speech: Speech is slurred or sounds different than ...
Pig butchering scams are a particularly insidious form of online investment fraud that can have devastating financial and emotional consequences for victims. By understanding how these scams work and knowing the warning signs to watch out for, individuals can better protect themselves from falling prey...