首页
登录
职称英语
In a little-known part of the counter-terrorism world, one of the most effect
In a little-known part of the counter-terrorism world, one of the most effect
游客
2024-08-20
20
管理
问题
In a little-known part of the counter-terrorism world, one of the most effective detection systems is a 600-pound animal 【C1】______works for about 20 pounds of fish a day.
Since the 1960s, the United States and a handful of other countries have trained dolphins and sea lions to detect sea mines and swimmers, 【C2】______ (recover)inert torpedoes (鱼雷)and to test objects used in Naval exercises.
Program officials estimate that the sea lions in the Marine Mammal Program 【C3】______(recover)millions of dollars of U. S. Naval torpedoes and instrumentation 【C4】______(drop)on the sea floor.
The US Navy kept its Marine Mammal Program a secret until the 1990s, and this spring CNN became one of only a handful of media outlets to see firsthand 【C5】______ the program works.
The program has trained about 75 Pacific bottlenose dolphins, with natural bio-sonar (生物声呐)that track, better than any manmade device; and 35 California sea lions, with superb underwater eyesight.
Not only do these trained marine mammals track and retrieve millions of dollars in U. S. military equipment, they are also helping to save lives.
The Navy won ’ t disclose whether the dolphins and sea lions have effectively intercepted(拦截)terrorist 【C6】______(attempt)to do harm to any U. S. facilities.
" Either way, it serves as a deterrent (遏制的)effect. " says Christian Harris, operations supervisor for the program. The mammals can be deployed via C-130 cargo aircraft to perform their missions anywhere in the world within 72 hours. They have been used in exercises from Alaska to Hawaii, 【C7】______(operate)in great temperature and environmental ranges. They also have the capability to operate off vessels.
Dolphins most recently were deployed in the Iraq war, 【C8】_____ (perform)mine detection and clearance operations in the Persian Gulf 【C9】______(ensure)safe passage for humanitarian ships 【C10】______(deliver)aid. Some of these Iraq war "veterans" are now back home, tasked with a new mission: guarding nuclear submarines in their homeports of Bremerton, Washington, and Groton, Connecticut. [br] 【C2】
选项
答案
to recover
解析
本题考查动词不定式作目的状语的用法,detect,recover和test是三个并列的动词,其他两个动词都是不定式的形式,故答案为to recover。
转载请注明原文地址:https://tihaiku.com/zcyy/3727815.html
相关试题推荐
广告是一种向顾客介绍新产品的行之有效的方法。(effective)Advertisingisaneffectivemeansofintroducin
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Nodoubt,robotsarehavingadramaticeffect______thelabormarketinthiscoun
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
随机试题
Whatdidspacesatellitescapturerecently?[br][originaltext]M:Howdidyoul
[originaltext]W:Stan,doyouhaveaminute?M:Oh,hi,Cathy,sure.What’sup?
Theoutputvalueinthesecondseasonincreasedbytenpercentfromayearearli
[originaltext]M:Excuseme,couldyoupleasetellmehowtogettothetennisc
冈崎片段是指A.DNA模板上的DNA片段 B.先导链上合成的DNA片段 C.
在数据传输过程中,为了防止被窃取可以通过( )来实现的。A.用户标识与鉴别
在中国大陆入境口岸的边检站只需出示有效证件,不必填写入境卡的是()。A.韩国华
A.基底节出血 B.中脑出血 C.脑桥出血 D.小脑出血 E.蛛网膜下腔
(2015年真题)根据《关于加强小型病险水库除险加固项目验收管理的指导意见》(水
关于施工质量控制的环节,下列说法错误的是()。A.事前质量控制是通过编制施工质
最新回复
(
0
)