1.The frequency of Kara's phone calls increased rapidly
2.You can't hear waves of such a high frequency.
3.The tanks broke down with increasing frequency.
4.Speech is made up of sound waves that vary in frequency and intensity.
5.Their instruments detected very faint radiowaves at a frequency of 3 kilohertz.
1.Traffic accidents have decreased in frequency over recent years.
2.The frequency of his visits annoyed her.
3.Accidents are happening with increasing frequency.
alarming frequency 惊人的频率
high〔low〕 frequency 高〔低〕频
increasing frequency 越来越频繁
radio frequency 无线电频率
word frequency 词的出现频率
at〔with〕 frequency 以…的频率
be on the frequency for a channel 正接收某频道
1.Security devices are required to list the frequencies they broadcast on—that means that a potential thief can find what they need to know with minimal Googling.
2.It's easier to find and acquire jamming equipment for some frequencies than it is for others.
3.For this he and his wife received the Nobel Prize for physics in 1910, and did so again in 1912 for their work on very high frequency radio waves.
4.Their work on very high frequency radio waves
5.Though often viewed as a problem for western states, the growing frequency of wildfires is a national concern because of impact on federal tax dollars, says Professor Max Moritz, a specialist in fire ecology and management.
2017年考研真题（英语二）阅读理解 Section Ⅱ