工作面空间处于()A、应力降低区,应力集中区B、原始应力区C、应力降低区D、不一定

题型:单项选择题

问题:

工作面空间处于()

A、应力降低区,应力集中区

B、原始应力区

C、应力降低区

D、不一定

考点:液压支架(柱)修理工液压支架工液压支架工题库
题型:单项选择题

学校植树500棵,有490棵成活,成活率为______%

题型:单项选择题
阅读下面短文,掌握其大意,从短文后所给的四个选项(A、B、C和D)中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。
Reginald Andrews had been out of work for more than a year.This   36  father of five children had deeply known his   37  of family heartaches.A few years earlier, his sister Kedra had been shot in the   38  by a young man who robbed the place where she was working.The young man was caught, but Kedra   39  her sight.As a result of his sister’s   40 , Mr.Andrews cared about blind people.
On December 20, 2001, Mr.Andrews was waiting for a train in New York City.The train pulled into the station and stopped.Andrews was getting ready to get   41  the train when something   42  happened.An old blind man, who had   43  the space between two carriages for a door while   44  his way with a stick, suddenly fell   45  the train.Seeing this, Andrews quickly jumped down to the tracks and   46  the blind man to safety.He   47  all the people on the spot with his courage.The news rapidly  48  all over the country.Messages began to pour in.Some people   49  sent money and food to Andrews.
Andrews had been at the station   50  he was returning from a job talk.He probably would have been hired, and the public praise made it a   51  thing.
Andrews, however, received   52  attention from the public after about a week of newspaper stories and active   53  to his family.Although most people supposed that the story had come to a happy end, it didn’t quite happen that way.Andrews   54  start his new job, but the factory moved to New Jersey.Andrews didn’t have any way to get to work, so he had to leave.It wasn’t long before he was   55  to job hunting again.Few newspapers, however, would tell their readers what happened to Mr.Andrews after he became a hero.
小题1:
A.homeless
B.careless
C.friendless
D.jobless
小题2:
A.truth
B.share
C.danger
D.delay
小题3:
A.arm
B.leg
C.face
D.stomach
小题4:
A.lost
B.hurt
C.kept
D.destroyed
小题5:
A.age
B.death
C.problems
D.shortcoming
小题6:
A.on
B.to
C.off
D.up
小题7:
A.disappointed
B.important
C.funny
D.unexpected
小题8:
A.chosen
B.reached
C.mistaken
D.forgotten
小题9:
A.forcing
B.feeling
C.leading
D.touching
小题10:
A.into
B.from
C.under
D.off
小题11:
A.threw
B.pushed
C.drove
D.pulled
小题12:
A.shocked
B.frightened
C.impressed
D.left
小题13:
A.grew
B.brought
C.carried
D.spread
小题14:
A.yet
B.even
C.still
D.ever
小题15:
A.though
B.before
C.because
D.till
小题16:
A.sure
B.correct
C.popular
D.necessary
小题17:
A.close
B.little
C.much
D.enough
小题18:
A.help
B.ideas
C.reading
D.reports
小题19:
A.might
B.could
C.would
D.did
小题20:
A.ready
B.about
C.back
D.worried
题型:单项选择题

下列属于计算机病毒特征的是

A) 模糊性
B) 高速性
C) 传染性
D) 危急性

题型:单项选择题

在牙周疾病流行病学的集体备课时,王教授指出研究生乙对流行因素的提法也有一处是不对的()。

A.吸烟是牙周疾病的危险因素之一

B.青春期牙龈炎患病达高峰

C.口腔卫生好坏有直接关系

D.牙周疾病没有性别差异

E.成年以后牙石逐渐增加

题型:单项选择题

广播评论在实践中,创造出了一些独具特色的评论形式,包括()。

A.广播谈话

B.口头评论

C.录音评论

D.广播述评

E.社论

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