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
2023-10-20
38
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] 【C9】
选项
答案
to ensure
解析
本题考查动词不定式作目的状语的用法,根据上下文可知,在伊拉克战争中部署海豚是为了探测地雷等,以此确保为人道主义船舶提供安全通道,故答案填to ensure。
转载请注明原文地址:https://tihaiku.com/zcyy/3113252.html
相关试题推荐
EffectiveAssignmentsUsingLibraryandInternetRes
EffectiveAssignmentsUsingLibraryandInternetRes
EffectiveAssignmentsUsingLibraryandInternetRes
EffectiveAssignmentsUsingLibraryandInternetRes
[originaltext]EffectsofCellPhones
SuggestionsforEffectiveResearch-basedAssignm
SuggestionsforEffectiveResearch-basedAssignm
SuggestionsforEffectiveResearch-basedAssignm
SuggestionsforEffectiveResearch-basedAssignm
SuggestionsforEffectiveResearch-basedAssignm
随机试题
[originaltext]KarenSmithisabuyerforadepartmentstoreinNewYork.De
下列关于气体灭火系统操作和控制的说法中,正确的有()。A.组合分配系统启动
图示悬臂梁和简支梁长度相同,关于两梁的Q图和M图有下述哪种关系? A.Q图和M
给定关系R(A,B,C,D)和S(C,D,E),若关系R与S进行自然连接运算,
当事人不服地方人民法院一审裁定的,应当()。A、自判决书送达之日起15日内向
共用题干 StageFrightFalldownasyoucome
承兑仅限于商业汇票,支票、银行本票、银行汇票均无须承兑。()
下列施工阶段投资控制的主要工作中,属于审核竣工结算款工作内容的是( )。A.审
有限空间作业涉及的行业领域多,不确定危险因素多,今年以来,有关行业领域连续发生多
男,55岁。急性胰腺炎留置中心静脉导管给予全胃肠外营养,突发寒战、高热。诊断考虑
最新回复
(
0
)