Most computer systems are (71) to two different groups of attacks：insider attacks and outsider attacks．A system that is known to be (72) to an outsider attack by preventing (73) from outside can still be vulnerable to the insider attacks accomplished by abusive usage of (74) users．Detecting such abusive usage as well as attacks by outsides not only provides information on damage assessment,but also helps to prevent future attacks．These attacks are usually (75) by tools referred to as Intrusion Detection Systems．
（75）处填（）。| 某烟厂系增值税一般纳税人，主要生产卷烟。 2008年4月发生如下业务： (1)向某小规模纳税人购买一批烟叶，农产品收购凭证上注明收购价款51724.14元，另支付运费5648元，取得货运企业的运费发票；按收购价款的10%支付给烟农补贴款； (2)当月委托某县加工厂(一般纳税人)将收购的烟叶加工成烟丝。双方签定的委托加工合同上注明，烟厂支付加工费7000元、加工厂代垫辅助材料价款4000元(不含增值税)，取得税控专用发票； (3)烟厂收回加工好的烟丝后，全部生产加工成 A牌号卷烟18箱并已全部实现销售，每箱不含税价9600元，国家税务总局核定的A牌卷烟的计税价为58元/条； (4)当月，烟厂将11箱白包卷烟与本市某服装厂(一般纳税人)等价交换服装250套，各自作为福利发放给本厂职工。双方签定的易货合同上注明，服装每套不含税作价750元。 (假定加工厂、服装厂和烟厂当月进项税期初余额分别为470元、575元和650元，涉及的箱均为标准箱，烟叶税税率20%) 根据以上资料，回答下列问题： |
| A new look at an asteroid orbiting the
sun shows it could possibly smash into the Earth with tremendous force.
But experts say the potential impact is still 872 years away, time enough
for the speeding space rock to alter its course. Named 1950DA, the asteroid--1 kilometer wide--is the most threatening to the Earth of all of the known large asteroids, but the odds are only adout one in 300 that it would impact the planet, researchers said. "One in 300 is pretty long odds," said Jon D. Giorgini, a scientist in Califonia. "I’m not personally going to worry about it. It is so far in the future that lots of things could change." There are approximately 1,000 asteroids bigger than a kilometer that can pass near the Earth in their orbit of the sun. About 580 have been found and their orbits plotted. Of these, only 1950DA represen A. Possible Asteroid Smash in the Future B. New Discoveries about 1950DA C. Asteroids in the Solar System D. Future Threat--An Asteroid Smash into the Earth [判断题]报警区域内每个防火分区,应至少设置一个手动火灾报警按钮。( )
A.正确 B.错误 [简答题]列出沃尔新列车自动清洗的每个清洗工位？
[判断题]活动扳手应做到用后清洗、抹黄油。
A.正确 B.错误 [判断题]参与集合资产管理计划的客户可以转让其所拥有的份额。( )
我来回答: 提交
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