为了帮助2012年职称英语考生有效备考职称英语考试,现特别整理了2012年全国职称英语考试理工类完形填空专项练习,希望会对您有所帮助。
Singing Alarms Could Save the Blind
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 of 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 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. It is a burst of white noise__7__ people say sounds like static on the radio, he says. Its life-saving potential is great
She conducted an experiment in which people were filmed by thermal-imaging cameras trying to find their way out of a large__8__ room. It__9__ them nearly our 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__ on 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.
1. A) without B)with C)having D)selling
2. A) run by B)changed by C) decorated by D)criticized by
3. A) slow B)deaf C)blind D)lame
4. A) Alarms B) Alarm C) The alarm D) The alarms
5. A) noise B) sound C) music D) bell
6. A) watched B) produced C) learnt D) heard
7. A) where B) what C) that D) how
8. A) smoked B) smoke-filled C) filled with smoke D) smoke-filling
9. A) has taken B) takes C) took D) will take
10. A) on B) near C) without D) from
11. A) processes B) produces C) possesses D) proceeds
12. A) feature B) quality C)diagram D) source
13. A) basis on B) base on C) basing on D) based on
14. A) or B) and C) but D) otherwise
15. A) developed B) determined C) discovered D) delivered
key: B、A、C、D、B、 D、C、B、C、C、 A、D、D、A、A
奥巴马给你6个舒缓压力的建议
里约奥运最无聊工种 除了游泳救生员还有啥?
为什么你每天都在锻炼,但还是瘦不了呢?
特朗普夫人演讲疑似剽窃米歇尔
中国又一必游景点 神农架列入世界遗产名录
研究发现 胖子的大脑比同龄瘦子的老10岁!
菲尔普斯摘银 新加坡小将斯库林赢历史首金
九种不宜放冰箱的食物
安妮斯顿发长文怒斥媒体:“受够了”怀孕传闻
职场新人与资深人士的相处之道
女人在一起住月经真的会同步吗
你睡觉时身体干的四件疯狂事
告诉你让你觉得数学那么难学的真正原因
中国新生儿基因组及胚胎基因组计划启动
里约奥运村环境太差 澳大利亚代表团拒绝入住
选择在海外工作是一个明智的工作变动
让人保持年轻的4种食物
日本推出一款由狮子操刀设计的“动物园牛仔裤”
日本奇葩新发明:腋下风扇 告别除臭剂
NBA超级巨星邓肯宣布退役 19年传奇生涯正式结束
铁打的女王流水的首相:谁是女王的心头好?
万科向监管机构指控宝能融资违规
听说鲍里斯被任命外交大臣 外国段子手已开火
人工智能将如何改变就业市场
想要来场“假日恋爱”?Tinder应用为你推荐不容错过的十五大城市
车祸以后她有了六重人格:雌雄同体还能对话
BBC把咱们微博上的南海段子都翻译成了英文
里约奥运百米飞人大战 牙买超级明星加博尔特成功卫冕
“洪荒少女”坦言遭遇“大姨妈”引热议
女人眼里 男人穿什么鞋最有魅力
不限 |
英语教案 |
英语课件 |
英语试题 |
不限 |
不限 |
上册 |
下册 |
不限 |