首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
In a little-known part of the counter-terrorism world, one of the most effective detection systems is a 600-pound animal【C1】____
In a little-known part of the counter-terrorism world, one of the most effective detection systems is a 600-pound animal【C1】____
admin
2021-04-02
36
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.
【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://kaotiyun.com/show/FZjK777K
本试题收录于:
D类竞赛(专科)题库大学生英语竞赛(NECCS)分类
0
D类竞赛(专科)
大学生英语竞赛(NECCS)
相关试题推荐
A.traditionallyB.confinedC.cooperativenessD.organizationE.powerfulF.effectively
(1)Testinghasreplacedteachinginmostpublicschools.Myownchildren’sschoolweekisframedbypretests,drills,tests,and
AProfessorstoodbeforehisphilosophyclassandhadsomeitemsinfrontofhim.Whentheclassbegan,wordlessly,hepickedup
(1)Inresponsetomassunemploymentandtheprospectofhavingtoemigrate,anunemployedIrishgraduatehasspent€2,000onam
Shortlybeforehediedoflymphoma(淋巴瘤),thegreatwriterandphysicianLewisThomas,whosebooksturnedscienceintoawayof
A、Whenhepaidforthecab.B、Whenaguybumpedintohim.C、Whenhiscellphonerang.D、Whenhesatdownathisdesk.D由原文可知,男士一
________stormswreakedhavoconthearea,leavingthreepeopledeadanddozensinjured.
Itwasaverytemptingjoboffer.Iweighedupthe______,butIdecidedintheendthatIwouldn’ttakeit.
Whenisthemanleaving?
ThetermBRICwasfirst______byGoldmanSachseconomistJimO’Neillinaresearchpaper,______BRICstandsforBrazil,Russia,I
随机试题
铸造是一种古老的制造方法,在我国可以追溯到6000年前。随着工业技术的发展,大型铸件的质量直接影响着产品的质量,因此,铸造在机械制造业中占有重要的地位。下列关于铸造工艺操作的说法中,正确的是()。
___________是企业化管理成败的关键。
对于重型阿弗他溃疡患者,可用下列哪种药物做局部封闭
A.在紫外光照射下能产生荧光B.将药物组分合成为衍生物C.麦芽酚反应D.重氮-偶合反应E.硫酸-硝酸呈色反应
封闭式基金年度收益分配比例不得低于基金年度可供分配利润的()。
以下各选项中,()不属于著作财产权。
内部转移价格的制定原则不包括()。
房屋租赁是公民、法人和其他组织关于财产权交易的民事活动,当事人应依照民法规定,遵循()的原则。①公平;②自愿;③平等;④互利;
简述个体身心发展的一般规律。
Peopleintheworldareclassifiedintotwotypes.Althoughtheyhavealmostthesamedegreesofhealthandwealthandtheother
最新回复
(
0
)