When the traffic lights turn red, we must stop and wait. Why do we use the red light to mean“stop"?Scattering(散射) happens when light goes into the air. It means that the air stops light from travelling far. Of all colours, red has the weakest(最微弱的) scattering, so the red...
aEveryone has a corner, he can not get out, others do not break in. I put the deepest secrets in there. You don\'t know me, I don\'t blame you. 大家有一个角落,他不可能出去,其他不打破in。 我投入了最深刻的秘密那里。 您笠头\ ‘t认识我,我笠头\ ‘t责备您。[translate] ...
Why do we use red traffic lights?When the traffic lights turn red, we must stop driving a car or crossing a street. Why is red used for traffic lights? Why people don’t use other colours? As we know, scattering(散射) happens when light goes through the air. For the same medium(介...
看文章。阅读短文并选择正确的答案。___When the traffic lights turn red, we must stop and wait. Why do
使用红灯作为停止信号灯可以使更远区域内的驾驶员看见信号。这使得驾驶员们能够及时减速或停车。如果驾驶员直到驾驶地够近才看见停止信号，他们可能不能够及时停车，造成事故。红色也是能够刺激人的颜色，视觉神经对红色反应最为强烈。总之，红灯可以使驾驶员及时停车，避免发生事故。红灯不仅仅用作停止信号，...
A.Why do accidents happenB.How does the red light travelC.Why do we use red traffic lights 答案 46.A.细节理解题.根据第一段的第一句:When the traffic lights turn red.we will stop driving a car or crossing a street.可知当交通灯变成红灯时,我们将停止开车过马路.故选A47.B.细节理解题....
【题目】21.-Why did you run a redlight young man?Sorry, si. I the traffic lights.A. won'tnotice B. don'tnotice + C. wasn'tnoticing D. didn'tnotice 相关知识点: 试题来源: 解析 【解析】【答案】D【核心短语/词汇】redlight:红灯【翻译】-年轻人,你为什么闯红灯?对不起,先生。我没有...
Why do we use red traffic lights? When the traffic lights turn red, we must stop driving a car or crossing a street. Why is red used for traffic lights? Why people don’t use other colours? As we know, scattering(散射) happens when light goes through the air. For the same medium(...
Why do some people hate redheads? If you have ever experienced inexplicable ginger hate, this page may be just for you! If you can relate, leave your comments so others don't feel alone.
If we are driving a car or crossing a street, we will stop when the traffic lights turn red. Why do we use red rather than other colors?As we know, scattering (散射) happens when light goes through the air. For the same media, if the wavelength (波长) is long, the scattering will...