题目【题目】Light in a straight line. A. travel B. travels C. travelled D. is travelling 相关知识点: 试题来源: 解析 【解析】 B 解析:本题考查动词时态。 本题是一种客观事 实,所以应用一般现在时。 句意为“光是沿直线传播的” 。
1. light(1)Light travels in a straight line.A(2)Light and bright colors make people not only happier but also more active.E(3)It's getting dark. Could you please turn on the light for me?B(4)But we were unable to light the fire, as every-thing was wet.D(5)Modern video cameras...
翻译句子 There is no light in his house. He might have gone out. 查看答案和解析>> 科目:高中英语 来源:必修三全优指导北师英语 北师版 题型:022 观察并翻译句子,试着归纳其画线部分所包含的句型结构。 Some fish attract other fish with a light on their body-and then eat them! ___ 查看答...
(a) How many miles does a pulse of light travel in a time interval of 0.1 s, which is about the blink of an eye? A car travels in a straight line for 4 h at a constant speed of 63 km per h. What is its acceleration? Answer in units of...
<p><strong>Step-by-Step Solution to Show that Light Travels in a Straight Line</strong></p><p><strong>Step 1: Gather Materials</strong> - You will need three cardboard sheets of the same size. - A needle or a pin. - A candle. - A stand to hold the cardbo
A. A mirror reflecting light. B. Shadows formed by objects. C. Light passing through a prism. D. Light bending around a corner. 相关知识点: 试题来源: 解析 B。本题考查对光沿直线传播这一结论的理解应用。A 选项镜子反射光,不能证明光沿直线传播;C 选项光通过棱镜,是光的折射;D 选项光绕过拐...
1【题目】选择合适的意思lightA.n.光;光线;光亮 B.n.电灯 C.v.使……明亮 D.v.点燃;点亮 E.adj.浅色的 F.adj.轻的(1)Light travels in a straight line.(2)Light and bright colors make people not only happierbut also more active.(3)Its getting dark. Could you please turn on the light...
Have you got a light anybody? 你们谁有火吗? 柯林斯高阶英语词典 He has worked hard in recent months to portray New York in a better light. 最近几个月里他努力从更积极的角度来描绘纽约。 柯林斯高阶英语词典 ...the harsh light of reality. 现实严酷的一面 柯林斯高阶英语词典 They can get on...
Define Line of light. Line of light synonyms, Line of light pronunciation, Line of light translation, English dictionary definition of Line of light. adj. Abbr. IR 1. Of or relating to electromagnetic radiation between microwaves and red visible light in
Question: Light normally travels in a straight line, but it bends in an optical fiber. Explain. Total internal reflection: Definition: "The complete reflection of a light ray reaching an interface with a less dense medium when the angle of incidence exceeds the critical...