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
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] 【C8】
选项
答案
performing
解析
本题考查动词的现在分词作伴随状语的用法。主语与perform构成主动关系,故答案是performing。
转载请注明原文地址:https://tihaiku.com/zcyy/3727113.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
YouwillhearaninterviewwithHarryStyles,theGeneralManagerofFourSe
Amillionmotoristsleavetheircarsfilledupwithpetrolandwiththekeys
德尔菲法需要注意的问题不包括()。A.专家人数不能太少,至少要达到20~3
常规CT扫描采取俯卧位的是A.双膝轴扫 B.双踝轴扫 C.双腕轴扫 D.头
患者,男性,67岁,嗜烟40多年。每日少量咳嗽咳痰20年。近1个月发现经常有血丝
目前应用最多的分剂量法是A.分布法 B.重量法 C.目测法 D.圆
关于2013年4月该市广播影视情况,能够从资料中推出的是()。A.广告收入
在邮政服务质量指标体系中,从企业内部运营管理角度进行评价的指标包括通信质量指标和
关于财政收入的说法,正确的有( )。A.来自农业的税收是我国财政收入的主要来源
唯一能通过胎盘的是 AIgG BIgM CSIgA DIgE EIgD
最新回复
(
0
)