In one light-year, light can travel about trillion kilometers(万亿千米). A. 10 B. 11 C. 15 相关知识点: 试题来源: 解析 A 考查英文常识。句意:在一光年里,光可以前行大约10万亿千米。光每秒走30万千米,再乘以一年中的秒数,一光年大约等于九万四千亿千米,约等于10万亿千米,故选A。
题目【题文】Spacecraft can travel ___the speed of light . A. for B. on C. in D. at 相关知识点: 试题来源: 解析 【答案】D 【解析】 试题分析:航天器能以光的速度行驶。“以……速度”要用介词at,所以选D。 考点:考查介词的用法反馈 ...
百度试题 结果1 题目The spaceship can travel ___ the speed of light. A. at B. in C. with D. on 相关知识点: 试题来源: 解析 A。本题考查介词的固定搭配。“at the speed of”是固定搭配,表示“以……的速度”。反馈 收藏
Light moves more slowly when traveling through diamond than when moving through air, and it moves through air slightly slower than it can travel in a vacuum.(Image credit: Shutterstock) Light in a vacuum is generally held to travel at an absolute speed, but light traveling through any material...
4. M you can travel at the speed () of light in the future. 相关知识点: 试题来源: 解析 【答案】Maybe【核心短语/词汇】inthefuture:在将来【翻译】也许在将来你可以以光速旅行。【解析】根据句意及首字母(也许在将来你可以以光速旅行。),可知考查副词maybe(可能;也许),放在句首,表示不确定的语气,故...
A. to B. at C. for D. with 相关知识点: 试题来源: 解析 B 本题考察介词的用法。表示以某种速度旅行,通常使用介词 "at","at the speed of" 是固定搭配,意为"以...的速度"。因此,正确答案为 B 选项 "at"。其他选项不符合语境。反馈 收藏 ...
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 with running the school system according to their own lights and ...
In the above picture, we can clearly see that light coming through the holes in the window travel along a straight line. Questions For You Q1. The phenomenon in which the moon’s shadow falls on earth, or the earth casts its shadow on the moon, is known as ...
Maybe you can travel ___ the speed of light in the future.A. onB. atC. forD. wi
百度试题 结果1 题目Maybe you can travel the speed of light in the future. A. on B. at C. for D. with 相关知识点: 试题来源: 解析 B 反馈 收藏