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
2019-08-01
54
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/iMjK777K
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
(1)TheWestlifestoryreallybeganwaybackinDecember1996whenthethreeoriginalmembersofWestlifewereperforminginalo
A.riskB.plausibleC.ongoingD.sumE.stronglyF.outsetG.asH.m
WelcomeSpeech1.Roomallocation.RoomnumberThebeginningletterreferstothethree【T1】________ofthecollege
Listentothefollowingpassage.Altogetherthepassagewillbereadtoyoufourtimes.Duringthefirstreading,whichwillbe
DatahasshownthatmoreHispanicandblackstudentsaremajoringincomputerscienceandengineeringthan________.
(1)Therobotsinmoviesandsciencefictionbooksthatriseuptotakeovertheworldgenerallyareabletodosobecauseweha
(1)There’ssomethingabouttheInternetthatcanbringoutmeannessinteenagers.(2)Thatisonefindingofastudytobe
A.traditionallyB.confinedC.cooperativenessD.organizationE.powerfulF.effectively
(1)Everysecond,Ihectareoftheworld’srainforestisdestroyed.That’sequivalenttotwofootballfields.Anareathesizeo
Therearealwaysconcernsthattraditionaldancesperformedinatheatrearenothingmorethanaspectacle.Theunderlinedpart
随机试题
约翰.鲍尔比通过观察把婴儿的分离焦虑分为三个阶段:反抗阶段、超脱阶段和()
患者女性,72岁,听诊心率70bpm,律齐。心电图检查不可能出现以下何种改变?
某施工项目部根据以往项目的材料实际耗用情况,结合具体施工项目要求,制定领用材料标准控制发料。这种材料用量控制方法是()。
下列何种关于社会救助的描述是正确的?()
法律是道德的底线,在通过法规对阻碍急救车的行为进行处罚的同时,制定并向公众普及各种路况下避让急救车的方法同样重要。为此,必须将这一部分内容纳入驾校考核的范围,让司机从学车开始就懂得给急救车让路的重要性。同时,为打消司机“让车后造成违法可能挨罚”的顾虑,完善
(2016·广东)国家课程标准是编制教科书的直接依据。()
汉代首先提出“独尊儒术"思想的是()
有以下程序#includemain()iintx=8;for(;x>0;x--){if(x%3){printf("%d,",x--);continue;}pri
Accordingtothepassage,whatwereparentsusuallyexpectedtoprovidefortheirchildren?
WhichofthefollowinggiftsmaybeonanormalChristmaswishlist?
最新回复
(
0
)