How is a rainbow formed? A. By the reflection of light. B. By the refraction and reflection of light. C. By the scattering of light. D. By the combination of different colors of light. 相关知识点: 试题来源: 解析 B。本题考查彩虹形成的原理。彩虹是由光的折射和反射形成的。选项 A,...
How is a rainbow formed? A. When the sun shines and it rains at the same time. B. When the wind blows very hard. C. When the night is very dark. D. When the stars are shining. 相关知识点: 试题来源: 解析 A。解析:彩虹是在阳光照射下,空气中的水汽折射和反射光线形成的。当阳光和...
英语科普小知识 How is a Rainbow Formed 彩虹是如何形成的? - 风吹麦浪0921于20181205发布在抖音,已经收获了14.1万个喜欢,来抖音,记录美好生活!
Lesson 3 Why does the Bottle Break When Water Turns into Ice 912017-05 2 Lesson 2 How is a Rainbow Formed 792017-05 3 Lesson 1 Why does the Apple Fall down onto th Earth 962017-05 4 Lesson 4 Sports Science and Technology 882017-05 5 Lesson 3 Function of Sports 852017-05 6 Lesson ...
A Tree Is a Plant by:Matchbox火柴盒子 219 How a Seed Grows by:Matchbox火柴盒子 414 This Is How It Always Is by:One5640856095 4922 R-A-Z F by:大红狗原版英语俱乐部 5195 R-A-Z拼读 by:大红狗原版英语俱乐部 552 Is Not a Crook
Question: How Is A Rainbow Formed? Answer:The birth of each rainbow begins with millions of tiny rain droplets, without them – a rainbow would not occur. Rainbows can be observed whenever there are water drops in the air and sunlight shining from behind the observer at a low altitude angle...
百度试题 结果1 题目( )1.___is the rainbow.A.ThisB.How manyC.What color 相关知识点: 试题来源: 解析 A 该题需要填入一个引导词,使句子完整。选项中只有 "This" 可以引导句子,表示“这是...”。因此,正确答案为 A。反馈 收藏
百度试题 结果1 题目___ colorful the rainbow is! A. What B. How C. Which 相关知识点: 试题来源: 解析 B。how 修饰 colorful,强调彩虹的绚丽多彩。选项 A“What”后接名词。选项 C“Which”用于选择,不用于感叹句。反馈 收藏
百度试题 结果1 题目___ colorful the rainbow is! A. What B. How C. What a D. How a 相关知识点: 试题来源: 解析 B。“how”修饰形容词或副词,“colorful”是形容词,所以用“How”。反馈 收藏
解析 A。本题容易误选 B“How”,但根据 what 引导的感叹句结构“What + a/an + 形容词 + 可数名词单数!”,“What a colorful rainbow!”是正确的表达,本题题干中有“is”,所以用“What”。选项 C“Which”和选项 D“Where”不能引导感叹句。