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”。
What Are the Warning Signs of Tipping Points?Larry Greenemeier
4. What background color are parks and recreation signs? A. Brown. B. Blue. C. Black and White. 5. Red road signs indicate: A. Motorist services guidance. B. A stop or prohibition. C. General warning. Basic Colors in Short – Learn This! Yellow, yellow-green, orange, and pink are...
1.教师提问:“Doyouknowanyothertypesofsigns?Canyoudescribethem?”引导学生思考并讨论其他类型的标志。 2.学生回答后,教师总结并展示一些常见标志的图片,如警告标志、指示标志等。 五、师生互动环节(10分钟) 1.教师邀请学生上台,用英语描述一个交通标志,其他学生猜测其含义。 2.学生尝试用英语解释交通标志的含义,...
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 ...
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What Are the Warning Signs of a Stroke?The Centers for Disease Control and Prevention estimate that stroke(中风) kills about 140,000 Am ericans each year. Someone in the US has a stroke every 40 seconds. 16_. Although stroke risk in creases with age, about one-third of people hospitalize...
Red meaning stop originated with train warning lights, and it’s not clear whether that was chosen based on wavelength, contrast against green nature or natural association of red with things like blood. It could be a combination of all three! Back in the 1900s, some stop signs were yellow...
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 ...