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What Amit Yoran said amounts to denying

A. the feasibility of building a security program.
B. the efficiency of the present network in countering outside attacks.
C. the conceived security of Govnet.
D. the possibility of enhancing the security of the government network.

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The author pointed out all the following facts EXCEPT that

A. to eliminate alien .species for the sake of tile indigenous ones is also ecological imperialism.
B. humans' efforts to correct ecological disorders is actually based on human preference.
C. people's attitudes towards alien species involve moral considerations.
D. human have to design nature to protect biodiversity.

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After a night's sound sleep, the clerk seems to be ______ enough to finish the heavy task

A. radiant
B. conscientious
C. conspicuous
D. energetic

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听力原文： The US military is to throw more ships, planes and personnel into the effort to stem the flow of cocaine and marijuana northward from Latin America. Defense Department officials are expected to announce Friday a plan to detect drug smugglers which includes surveillance by US warships and radar planes in the Caribbean and the use of reconnaissance satellites. Also expected as part of the effort is the expanded use of military personnel to help law enforcement agencies search cargoes at US ports and to increase training of counter-narcotics personnel from Latin American countries. The plan is not expected to include the stationing of warships off the Columbia coast, a controversial proposal rejected by Columbia in January.
According to the news, what are Defense Department officials expected to do on Friday？

A. To announce the plans to detect drug smugglers.
B. To stop the flow of drugs northward from Latin America.
C. To expand the use of military personnel.
D. To throw more ships, planes and personnel into the anti-drug movement.

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听力原文： To most of us sharks are the most dangerous fish in the sea and they attack humans. However, according to Doctor Clark, who has studied the behavior. of sharks for twelve years, humans are not normally on the shark's menu. What do sharks feed on, mainly fish and other sea animals？ Doctor Clark also found that sharks don't eat as much food as people think. For instance, a nine-year-old al-ark only needs two pound of food a day to keep healthy. But she says, sharks sometimes starve and at other times they fill themselves with what they have killed. Around the world, there are only about one hundred shark attacks on humans each year, ten of which proved fatal. But consider this, in the US alone, about three million people are bitten by dogs each year. Of these, thirty people die. If sharks bite you, says Doctor Clark, the reason is usually because of the mistake you have natural food. For example, say you went underwater-fishing and saw a shark, yon could be in trouble. The shark might go for the injured fish you had attacked and take a bite of you at the same time. If you go into a shark's territory and threaten it, it might try to bite you. That's because sharks are territorial and tend to guard their territory. Like dogs, they protect the area they think is their own.
What does the passage say about the eating behavior. of sharks？

A. They eat huge amounts of food.
B. They usually eat twice a day.
C. They usually eat to their hearts' content.
D. They eat much less than people assume.

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What Amit Yoran said amounts to denying

A. the feasibility of building a security program. B. the efficiency of the present network in countering outside attacks. C. the conceived security of Govnet. D. the possibility of enhancing the security of the government network.

The author pointed out all the following facts EXCEPT that

After a night's sound sleep, the clerk seems to be ______ enough to finish the heavy task

A. the feasibility of building a security program.
B. the efficiency of the present network in countering outside attacks.
C. the conceived security of Govnet.
D. the possibility of enhancing the security of the government network.