解析 travels 本题考查宾语从句的时态。在宾语从句中,当从句描述的是客观真理、自然现象等时,无论主句是什么时态,从句都要用一般现在时。“光比声音传播得快” 这是一个客观事实,所以即使主句 “wanted” 是一般过去时,从句中 “travel” 仍要用一般现在时的第三人称单数形式 “travels”。
(travel) faster than sound. 相关知识点: 试题来源: 解析 1.travels 考查动词时态。根据句子结构,该宾语从句是叙述永恒不变的 "真理" ,时态应为一般现在时, "light" 是主语,所以谓语动词应为三单形式 "travels" 。句意:过去的人们不知道为什么光比声音传播得快。故正确答案为:travels。
改间接引语 1.“Why does light travel faster than sound?”Tom asked Mike. 怎么改? 老师说travel要加s ,但我不明白为什么不是加ed ?
31 The professor said that light___ faster than sound.悬赏10,速答A:travels B:traveled C:travel D:traveled32 He asked___ for the computer. A:did I pay how much B:I paid how much C:how much did I pay D:how much I paid33 He asked, “How are you getting along?”He asked...
If santa is faster than the speed of light, why does it take him almost 24 hrs to complete his journey? Why does time get slower near a black hole? Why would you expect the speed of light to be slightly less in the atmosphere than in a vacuum? Why does sound travel faster in summe...
百度试题 结果1 题目 ( B )4.-Why do we see the lightning before hearing the thunder?Because light travels than sound. A. fast B. faster C. slowly D. more slowly 相关知识点: 试题来源: 解析 答案见上 反馈 收藏
1【题目】翻译这段英文WHY IS T HE SKY BLUE:Light is a kind ofenergy that can travel through space.Light from the sun or a light bulb looks white,but it isreally a mixture of many colors.T he colors inwhite light are red,orange,yellow,green,blue andviolet.You can see these colors wh...
So one of our readers asked us this question the other day. Why does light travel? We all know light travels 186,282 miles per second. But HOW does it travel. What provides its thrust to that speed? And why does it travel instead of just sitting there at
Why does sound travel slower in cold air than in warm air? Why do low frequencies travel through walls? Why do airplanes wings not flap to fly? How is the device to measure pressure relevant to ultrasound? Why does sound travel faster in summer? Why does it feel like you're moving slow...
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