Light travels at a speed which is about a million times faster than the speed of sound. In one second, light travels about 300,000 km, but sound travels only 344m. You can get some idea of this difference by watching the start of a race. If you stand some distance away from the St...
百度试题 结果1 题目light travels at a speed which is about a million times faster than the speed of sound 相关知识点: 试题来源: 解析 最佳答案光速大概是音速的100万倍 反馈 收藏
根据原文Light travels at a speed which is about a million times faster than the speed of sound可知,光的传播速度大约是声速的一百万倍。故选D。 (2)题详解: 细节理解题。根据原文If you stand some distance away from the starter, you can see smoke from his gun before the sound reaches your ...
Light travels at a speed which is about a million times faster than the speed of sound. You can get some idea of this difference by watching the start of a race. If you stand some distance away from the starter, you can see smoke from his gun before the sound reaches your ears. ...
Light travels at a speed which is about a million times faster than the speed of sound.In one second,light travels about 300,000km,but sound travels only 344 m.You can get some idea of this difference by watching the start of a race.If you stand some distance away from the Starter,yo...
小题2:根据第一句Light travels at a speed(速度) which is about a million times faster than that of sound .光的传播速度是声音的100万倍,故此处说声音的速度是340米符合文意;故答案为metres。小题3:通过观看赛跑运动开始的过程可以对这种差异有一个大概的概念,因为后面提到通过观看发令员强中冒出的烟来...
Light travels at a speed which is about a million times faster than that of sound. In one second, light travels about 300,000 kilometers, but sound travels only 344 metros. You can get some idea of this difference by watching the start of a running match. If you stand quite away from...
根据Light travels at a speed which is about a million times faster than the speed of sound.光的传播速度大约是声速的一百万倍。可知,光速大约是音速的一百万倍。故选D。(2)B.推理判断题。根据If you stand some distance away from the starter,you can see smoke from his gun before the sound ...
由第一段第一句 Light travels at a speed which is about a million times faster than the speed of sound 可知,光速比声速快一百万倍。 故正确答案为D。 2. 猜测词句题。 由第一段第二句 You can get some idea of this difference by watching the start of a race 和第三句 If you stand some ...
【解析】【语篇分析】1.由第一段的Light travels at a speed which isabout a million times faster than the speed of sound.可知答案。2.由第一段的If you stand some distance awayfrom the starter, you can see smoke from hisgun before the sound reaches your ears.可知答案。3.由第二段的Sunlight...