秦始皇开创的中央集权制度对我国历史发展产生的最重要影响是[ ] A.维护了国家统

题型:选择题

问题:

秦始皇开创的中央集权制度对我国历史发展产生的最重要影响是[ ]

A.维护了国家统一

B.发展了社会经济

C.防止了外敌入侵

D.加强了民族团结

考点:至高无上的皇权和中央官制郡县制的全面推行
题型:选择题

数轴上的点A表示的数是+2,那么与点A相距5个单位长度的点表示的数是(  )

A.5

B.±5

C.7

D.7或-3

题型:选择题

左旋多巴治疗肝昏迷的机制是

A.进入脑组织,直接发挥作用

B.在肝脏经脱羧转变成多巴胺而起效

C.在脑内脱羧生成多巴胺而起效

D.在脑内转变成去甲肾上腺素而起作用

E.降低脑内苯乙醇胺和羟苯乙醇胺的含量

题型:选择题

场景(十二) 某建筑公司招聘,甲应聘电焊工、乙应聘气焊工、丙应聘消防材料保管员、丁应聘仓库管理员、戊应聘自动消防系统的操作人员。公司未经消防验收擅自使用工程。
根据场景(十二),回答下列问题:

根据《消防法》规定,应作持证上岗要求的人员有( )。

A.甲

B.乙

C.丙

D.丁

E.戊

题型:选择题
Ann,a mother of 3 children, is a warm-hearted social worker and she has done a lot to help people  36 . The family’s dinner conversation often turns to local poor families, and she  37  tries her best to seek help for them. This year, Ann   38 that Santa Claus would make a special   39 to a young unemployed mother named Ashley, who was   40 two sons by herself.
One Sunday morning, the family were joyfully having breakfast   41 the phone rang, saying that the aid she had requested for Ashley had  42 . No Santa Claus, no presents, nothing. On hearing the news, Ann noticed the   43  disappear from her children's faces. Kinzie, the youngest one,  44 down from her chair and ran out of the kitchen room. In a matter of   45 , she returned carrying her piggy bank and began to   46 the coins over and over again, $3.30 in total. “Mom,” she shook her head  47 , “I know it's not much. But maybe this will buy a   48 for the children.” Then suddenly everyone was reaching into their pockets and   49 their purses. Immediately the money –- coins and bills   50 on the table. On Christmas Eve, Ann as well as Kinzie drove to Ashley’s house. After Ann wished the   51 woman a merry Christmas, she began to unload the gifts from the car,  52  them to Ashley one by one and told her the whole story.
Ashley was moved to tears   53 the words: Kinzie opened not only her piggy bank but also her  54 , and my children as well as I myself would be able to do something   55 for someone else in need.
小题1:
A.in time
B.in need
C.in trouble
D.in sight
小题2:
A.therefore
B.even
C.always
D.already
小题3:
A.expected
B.believed
C.dreamed
D.promised
小题4:
A.present
B.arrangement
C.appointment
D.visit
小题5:
A.raising
B.producing
C.adopting
D.attending
小题6:
A.until
B.while
C.since
D.when
小题7:
A.failed
B.arrived
C.passed
D.stopped
小题8:
A.anger
B.expression
C.cheer
D.worry
小题9:
A.sat
B.slipped
C.fell
D.got
小题10:
A.days
B.time
C.seconds
D.hours
小题11:
A.pour
B.pick
C.stare
D.count
小题12:
A.sadly
B.happily
C.excitedly
D.repeatedly
小题13:
A.clothes
B.toy
C.present
D.cake
小题14:
A.emptying
B.feeling
C.opening
D.finding
小题15:
A.filled up
B.grew up
C.blew up
D.piled up
小题16:
A.astonished
B.pleased
C.amused
D.embarrassed
小题17:
A.showing
B.handing
C.unfolding
D.shouldering
小题18:
A.over
B.by
C.with
D.for
小题19:
A.mind
B.smile
C.sympathy
D.heart
小题20:
A.important
B.similar
C.valuable
D.different
 
题型:选择题

龋齿二级预防不包括

A.早期诊断
B.定期检查
C.窝沟封闭
D.X线片辅助诊断
E.早期充填

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