首页
登录
职称英语
In a little-known part of the counter-terrorism world, one of the most eff
In a little-known part of the counter-terrorism world, one of the most eff
游客
2024-08-19
5
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/3727114.html
相关试题推荐
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffec
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffec
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffec
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffec
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteffec
随机试题
Navigatorsonshipsandaircraftuseacompasstodetermine________theyarehead
黄河流域(basin)是中国古代文明的发祥地,因此黄河被称作中华民族的母亲河、中华文明的摇篮。TheYellowRiveriscalledthemo
[originaltext]Inthepastfewyears,telephonesincarshavebecomeincreas
Onaverage,Americankidsaged3to12spent29hoursaweekinschool,eigh
Whatistheinterviewmainlyabout?[br][originaltext]WItsaysagrowingnumb
预防接种脊髓灰质炎的方法有减毒活疫苗A.口服 B.皮内注射 C.肌内注射
血胸欲行胸腔闭式引流术的最佳引流位置是( )A.腋前线第6~8肋间 B.腋前
图5是利用基因工程培育抗虫植物的示意图。 (1)从④→⑤的过程,利用了__
下列各项交易中,属于货币性资产交换的是( )。A.以长期股权投资交换其他权益工具
PPD试验,72小时观察局部红肿硬结15mm,其结果判断为A.阴性 B."+"
最新回复
(
0
)