分时系统的特点是 Ⅰ.多路性 Ⅱ.交互性 Ⅲ.独占性 Ⅳ.及时性A.Ⅰ,Ⅱ

题型:单项选择题

问题:

分时系统的特点是
Ⅰ.多路性 Ⅱ.交互性 Ⅲ.独占性 Ⅳ.及时性

A.Ⅰ,Ⅱ

B.Ⅱ

C.Ⅰ,Ⅲ

D.全部

考点:计算机等级考试数据库技术三级数据库技术笔试
题型:单项选择题

—Mike was rushed to hospital last night.Is he all right?

—Really? But don’t worry!I________to the hospital and see him this afternoon.

A.will go

B.am going

C.have gone

D.went

题型:单项选择题

阳极系统由哪几部分组成,其功能是什么?

题型:单项选择题
Michael O’her lived alone with his father, and the two of them had a very special relationship. The father believed in encouragement.
Though Michael was the    21   of the class when he entered high school, his    22  continued to encourage him, but also made it very clear that he did not have to play    23   if he didn’t want to.
However, Michael loved football and was    24  to try his best at every practice. All through high school, he never   25  a practice or a game, but remained a bench warmer(替补队员) all four years. His   26  father was always in the stands, with words of   27  for him.
It was the end of the football season, and as Michael ran slowly onto the practice field shortly    28  the big final game, the coach met him with a telegram. Michael    29   the telegram and became deathly silent—his father died that morning, and the sad man left for    30  immediately.
In the third quarter,  when the team was ten points   31  , a silent young man eagerly 32 onto the sidelines. The coach and his players were shocked to see their team-mate back so    33 .
“Coach, please let me  34 . I have to play today,” said Michael. Feeling sorry for him, the coach   35  . Before long, nobody could believe their eyes. This small bench warmer played like a(n)    36 . He helped his team win finally.
When the team was cheering for their    37 , Michael was sitting in the corner all alone. The coach came to him and said, “You were fantastic! Tell me   38  you did it?”
Tears in eyes, Michael said, “Well, you knew my dad died, but did you know he was blind?” He    39  a smile, “Dad came to all my games, but today was the first time he could    40   me play, and I wanted to show him I could do it!”
小题1:.
A.strongestB.smallestC.biggestD.youngest
小题2:
A.coachB.playersC.classmatesD.father
小题3:
A.footballB.gamesC.practicesD.basketball
小题4:
A.requiredB.determinedC.satisfiedD.reminded
小题5:
A.failedB.lostC.missedD.won
小题6:
A.sympathetic B.upsetC.faithfulD.optimistic
小题7:
A.encouragementB.judgmentC.wisdomD.amusement
小题8:
A.afterB.sinceC.towardsD.before
小题9:
A.went throughB.turned overC.got overD.tore up
小题10:
A.schoolB.homeC.fieldD.class
小题11:
A.aheadB.besideC.behindD.away
小题12:
A.walkedB.ranC.steppedD.slipped
小题13:
A.quietly B.sadlyC.punctuallyD.soon
小题14:
A.goB.fightC.workD.play
小题15:
A.leftB.refusedC.agreedD.cried
小题16:
A.starB.sonC.amateurD.trainer
小题17:
A.victoryB.awardC.memorial D.unity
小题18:
A.whyB.whenC.whereD.how
小题19:
A.spreadB.skippedC.forcedD.stopp
小题20:
A.hearB.seeC.feelD.make
题型:单项选择题

仪表灯灯光均为(),由于照射(),(),灯泡功率一般为()。

题型:单项选择题

做静平衡试验的平行导轨支承面最小长度应大于转轴轴颈的()倍。

A、100

B、50

C、7

D、0.7

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