声音中的频率反映声音的音调，而振幅则反映声音的强弱。()

decide whether the following translations are true or false. as for gaps in the fossil record, dawkins says, that is like detectives complaining that they can’t account for every minute of a crime --- a very ancient one --- based on what they found at the scene. 译文：至于化石记录中的空白，道金斯说，这就好比侦探抱怨说，根据现场发生的一切，他们无法弄清楚罪行。() 点击查看答案&解析

when the second world war ended，britain no longer was the largest military power in western europe. () 点击查看答案&解析