The speed of sound ___in soilds,liquids and gasesA,variesB,differentC,changesD,differ为什么第一个✓第二个✗

The Speed Of Sound 歌词 information is transmitted at the speed of sound or the speed of light the sound of the train _ _singing information is transmitted at the speed of sound or the speed of light ,depending on your connectio light travels at a speed which is about a million times faster than the speed of sound sound of speed是什么意思 不要机器翻译,也不要歌曲翻译,就sound of speed翻译 the speed of The speed of sound ___in soilds,liquids and gasesA,variesB,differentC,changesD,differ为什么第一个✓第二个✗ The Sound of Music is one of the most popular _(America) movies. The sound of silence The sound of THE SPEED OF THOUGHT怎么样 THE SPEED OF LIFE怎么样 THE SPEED OF DARK怎么样 THE SPEED OF TRUST怎么样 翔速度（the Speed of Sound travels in the form(形式)of _.A.bones B.air C.waves D.voice The other day,my brother drove his car down the street _.A at a speed of 40 km B at a speed 40 kmper hour