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What Is A Rainbow?Explains in simple terms what makes a rainbow.Chris ArvetisCarole Palmer
Monochrome rainbow: A rainbow that occurs when the sun is lower in the sky—such as at sunrise or sunset—and reflects more of one or two wavelengths than the others, making it appear monochrome. Moonbow: A rainbow caused by the light of the Moon, rather than the Sun. These are typical...
Have you ever seen a rainbow(彩虹) in the sky? Do you know what it is? A story says that when you see a rainbow you should__1___ at once to the place where it touches the ground, and __2___ you would find a bag of gold. Of course, it is not __3___. You could ...
语法型完形填空[外文素材改编自 Imagine]语篇类型:说明文工情境:人与自我·生活与学习 —彩虹的形成工难度:★★★限时:7What Is a Rainbow It's a colorful are(弧) in 1 sky. A rainbow usually has many colors, and they are red, orange, yellow, green, blue, and 2 purple. But rainbows don't...
Rainbows always appear in the sky opposite to the Sun. So, if you have your back to the Sun, the rainbow will arch across the sky in front of you. Rainbows can also appear at night How Do Rainbows Form? A rainbow is an optical phenomenon which involves three processes: reflection, disp...
1. Definition of a Rainbow: A rainbow is a meteorological phenomenon that results in a spectrum of light appearing in the sky when sunlight is refracted, reflected, and dispersed through water droplets. Hint: Think about how light interacts with water to create different colors. 2. Formation Pr...
Have you ever seen a rainbow (彩虹) in the sky? Do you know what it is? A story says that when you see a rainbow you should1at once to the place where it touches (触摸) the ground, and2you would find a bag of gold. Of course, it is not3. You could not find the bag of ...
【题目】Have you ever seen a rainbow in the sky? Do you know what it is? A story says that when you see a rainbow you should 1 at once to the place where it touches the ground, and 2 you would find a bag o f go ld. O f course, it is not 3 . You could not find the...
Look! A rainbow in the sky. The rainbow is beautiful. How many colours arethere? Let me count. One, two, three, four, five, six and seven. The rainbow hasseven colours. They are red, orange, yellow, green, blue, indigo(靛蓝色的) andviolet(紫色的).单词识记rainbow ['reInbou] n....