英语考试完型填空练习题
来源:学问馆 本文已影响2.75W人
来源:学问馆 本文已影响2.75W人
If you cannot see, you may not be able to find your way out of a burning building ---- and that could be fatal. A company in Leeds could change all that ___1__ directional sound alarms capable if guiding you to the exit.
Sound Alert, a company ___2___ the University of Leeds, is installing the alarms in a residential home for ___3__ people in Sommerset and a resource centre for the blind in Cumbria. ___4___ produce a wide range of frequencies that enable the brain to determine where the ___5__ is coming from.
Deborah Withington of Sound Alert says that the alarms use most of the frequencies that can be ___6___by humans. Its a burst of white noise __7___ people say sounds like static on the radio,she says. Its life-saving potential is great.
She conducted an experiment in which people were filmed by thermalimaging cameras trying to find their way out of a large __8___ room. It __9___ them nearly four minutes to find the door __10____ a sound alarm, but only 15 seconds with one.
Withington studies how the brain __11____sounds at the university. She says that the __12___ of a wide band of frequencies can be pinpointed more easily than the source of a narrow band. Alarms ___13____ the same concept have already been installed on emergency vehicles.
The alarms will also include rising or falling frequencies to indicate whether people should go up __14___ down stairs. They were __15__ with the aid of a large grant from British Nuclear Fuels.
中考英语:完形填空
完形填空解题秘诀高中英语
中考英语完形填空的必备基础
中考英语语法:中考英语句型转换练习题目
四级考试完形填空的解题技巧
通信行业,表扬信英语四级完型填空特点及解题技巧
高考数学填空题练习
小学五年级英语句型转换练习题
2017年中考英语短文填空试题
高中英语的完型填空做题的方法介绍
中考英语填空题复习资料
二年级考试歇后语填空题练习
2017考研英语完型填空练习题
GRE考试填空题技巧完全解析
新GRE考试填空题技巧完全解析
市场营销学自学考试填空题练习
小升初英语考试:单选题型练习
解析新gre考试填空练习题
怎么拿高考英语完形填空分数
全国英语一级考试之单项填空真题
2017年GRE考试填空练习试题及答案解析
关于中考英语知识点:为何中考英语完形填空最会错
小学五年级下册数学期末考试填空练习题
中考英语复习:完形填空应对技巧
中考英语短文填空练习1
初一英语完型填空试题