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
2023-10-19
24
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/3112544.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
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
Inalittle-knownpartofthecounter-terrorismworld,oneofthemosteff
随机试题
TheSupremeCourtwillhearargumentstodayabouttheuseofpublicmoneyfo
Virusesarehuman-madesoftwareprograms【C1】______specificallytowreakhavo
(2018年)环境保护税的申报缴纳期限是( )。A.15日 B.一个月 C.
足月新生儿,现出生6天。生后第3天出现皮肤黄染,无发热,精神状态好,心肺(-),
血清碱性磷酸酶增高时不考虑A:肝脏疾病B:肾脏疾病C:胆道疾病D:骨疾病
金属中毒解毒剂多为螯合剂,常见的有氨羧螯合剂和巯基螯合剂:A.是最常见的氨羧螯合
正常妊娠时,绒毛膜促性腺激素高峰出现的时间是在妊娠的第A.1~2周 B.6~8
2020年1-12月份,全市固定资产投资3815.36亿元,同比增长6.1%。房
消糜栓除能清热解毒,燥湿杀虫,还可A.祛瘀止痛 B.止带 C.生肌止痛 D
(2019年真题)下列关于剑桥方程式与费雪方程式的说法中,错误的是()。A
最新回复
(
0
)