在Solaris下，将／set／passwd设置成所有用户可读，root用户可写 #（)

在Solaris下，将/set/passwd设置成所有用户可读，root用户可写 #()

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发布时间：2022-04-14

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第1题

Longbusridesareliketelevisionshows.Theyhaveabeginning，amiddle，andanend—withcommercialsthro

Long bus rides are like television shows. They have a beginning，a middle，and an end—with commercials thrown in every three or four minutes. The commercials are unavoidable. They happen whether you want them or not. Every couple of minutes a billboard glides by outside the bus window. “Buy Super Clean Toothpaste. ”“Drink Root Beer. ” “Fill up with Pacific Gas. ” Only if you sleep, which is equal to turning the television set off, are you spared the unending cry of “You Need It! Buy It Now !，’The beginning of the ride is comfortable and somewhat exciting, even if you've traveled that way before. Usually some things have changed—new houses, new buildings, sometimes even a new road. (76) The bus driver has a style of driving and it ’ s fun to try to figure it out the first hour or so. If the driver is particularly reckless or daring, the ride can be as thrilling as a suspense story. Will the driver pass the truck in time？ Will the driver move into the right or the left-hand lane？ After a while, of course, the excitement dies down. Sleeping for a while helps pass the middle hours of the ride. Food always makes bus rides more interesting. But you ’ ve got to be careful of what kind of food you eat. Too much salty food can make you very thirsty between stops.

The end of the ride is somewhat like the beginning. You know it will soon be over and there ’ s a kind of expectation and excitement in that. The seat, of course, has become harder as the hours have passed. (77) By now you ’ ve sat with your legs crossed，with your hands in your lap，with your hands on the armrests—even with your hands crossed behind your head. The end comes just at the right time. There are just no more ways to sit.

According to the passage, what do the passengers usually see when they are on a long bus trip？

A.Buses on the road.

B.Films on television.

C.Advertisements on the board.

D.Gas stations.

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第2题

Every nation has a set of rules either written or unwritten, which determines how people a

ct with each other. Formal written rules are often laws and they control how we drive operate a business, or run a government. Individuals who disobey laws may be fined or put in jail. Because illegal behavior. generally harms other individuals or societies at large. Our court system must punish people who don't obey these formal rules.

Informal rules, often called "manners", describe correct and incorrect behavior. in such situations as eating in a restaurant, going on a date, or working in an office. If one is impolite or misbehaves in these situations, other people often consider offender insensitive. And although we can strongly disagree to such misconduct, we can no legally punish someone for simply being inconsiderate or unpleasant.

Neither laws nor manners are inflexible; both changes as society develops. For example, in the early twentieth century, the selling of strong spirits was forbidden. This law, however, had to be changed because the government found it impossible to force people to drink only soft drinks. More recently, many people who were dissatisfied with the unequals between the rights of men and women worked to pass the equal rights law, as women became more independent and took on new roles, a new law was considered necessary to reflect that change.

According to the passage, people who offended the law may be ______.

A．put to death

B．put on afire

C．doing fine

D．put into prison

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第3题

Solaris最高安全级别为：（)

Solaris最高安全级别为：()

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第4题

下列关于文件系统的说法，正确的是()