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
42
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/3727822.html
相关试题推荐
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffect
Nodoubt,robotsarehavingadramaticeffect______thelabormarketinthiscoun
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
随机试题
Tothemajorityofus,musicisanindispensablepartofourdailylife.Itc
WhatBackpackingBeginnersShouldKnow?1.【T1】______beforebackpacking
Unabletocontrolthemselves,someteenagersgethookedbyonlinegames,_________
[originaltext]M:Ms.Bertini,youweretheexecutivedirectoroftheWorldFood
Distancelearninghasmovedfarawayfromthetraditionalcorrespondencecou
对林可霉素叙述不正确的是()A:静脉滴注不能少于1h B:可引起抗生素相关性
麻疹初起,透发不畅,宜选下列何组药物A、薄荷、葱白、牛蒡子 B、桑叶、菊花、柴
总体上看,非随机抽样中更为科学,也比较常用的方法是( )。A.判断抽样 B.
在以下各项中,哪项是雌激素和孕激素协同作用的A.子宫收缩 B.乳房发育 C.
不同行政法规对同一事项的规定,新的一般规定与旧的特别规定不一致,不能确定如何适用
最新回复
(
0
)