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。
In general, sound travels faster through solids than through liquids or gases. Also, the denser the medium, the slower sound will travel through it. The same sound will travel at a different speed on a cold day than it would on a warm day. The Medium of Space Robert L. Curbe...
9. Light travels faster than sound. That's why some people appear bright until you hear them speak. 光传播得比声音快,所以有些人一直看起来很聪明,直到他们开口说话。 10. You owe nothing to your younger self, b...
What songs usually get stuck in your head?(Image credit: Asier Romero/Shutterstock) There are some songs that just beg to become embedded in your brain. "It's a Small World." "My Sharona." "YMCA." Even a die-hard Village People fan is bound to get a little annoyed the 70-millionth...
关键词:light光;lighting闪电;sound声音;hear听到;thunder雷声 翻译:老师告诉我们光比声音快得多,这就是为什么你先看到闪电,后听到雷声的原因。 解析:考查时态,表示客观的规律用一般现在时,光速快于音速,这是客观规律,故用一般现在时,light不可数名词,可视为第三人称单数,故用runs;第二个空,why you saw表示的是过...
A. Because light is brighter than sound B. Because light travels faster than sound C. Because sound is louder than light D. Because sound travels faster than light 相关知识点: 试题来源: 解析 B。解析:文章提到光的传播速度比声音快,所以先看到闪电后听到雷声。A 选项光比声音亮不是原因;C 选项声...
We found that earworm songs tended to be faster in tempo than the non-earworm songs. These tended to be around sort of 124 beats per minute as a sort of average tempo; obviously there was some range around that. 基本上,我们研究了在一项大型调查中经常被提及为耳虫的流行歌曲,并将其与在同一...
Before "KEHLANI" made him global, the singer made a name for himself by sharing his tracks online, with the mission of proving that his style and sound couldn't be put in a box. "The plan was always to showcase each side of what I'm going to do in the future — to use my ...
The ‘ha-ha’ sound you make when you laugh comes from yourrib cage- a structure made of bones, called ribs, inside your chest which protects the heart and lungs. The rib cage works like a drum to amplify a laugh. Neil It...