影响桥体挠曲变形的最主要因素()A.合力大小 B.桥体长度 C.桥体厚度 D.桥体宽

题型:单项选择题

问题:

影响桥体挠曲变形的最主要因素()

A.合力大小

B.桥体长度

C.桥体厚度

D.桥体宽度

E.桥体材料的强度

考点:口腔执业助理医师口腔执业助理医师14
题型:单项选择题

属于N1型胆碱能受体阻断剂的是()。

A.十烃季铵

B.阿托品

C.六烃季铵

D.酚妥拉明

E.普奈洛尔

题型:单项选择题

支撑电子商务系统的软件环境包括()。

A.系统软件

B.应用软件

C.系统软件和应用软件

D.电子商务网站和支付技术

题型:单项选择题

下列不属于客户经理工作内容的是( )。

A.为客户服务
B.风险防范
C.营销控制
D.刺激市场需求

题型:单项选择题
阅读下面短文,从短文后所给各题的四个选项(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。
One sunny afternoon, a seven-year-old girl went for a walk. She crossed a large area of grassland into the woods   she realized that she was lost.
Sitting on a rock and   what to do, she began crying. After a while,She   to walk along a wide path lined with tall trees and thick bushes.     it was getting dark, she saw a small, dark wooden house. She opened the door and   stepped in. Suddenly, she heard a strange noise, and she ran out the door and back to the   . Cold and tired, she fell asleep near a   .
The girl’s parents were out and her dog, Laddy, was at home. Laddy   that his mistress(女主人) was in danger. He jumped   a window, breaking the glass. He looked in the fields. But he couldn’t find his mistress anywhere. However, from the ground came a   scent(气味) as he lowered his head. He   the scent and walked across the grassland. Barking   into the air, the dog   through the woods until he found the   . But the girl was not there, so he headed back to the woods. Much to his   , he saw his mistress’ blue shirt in the distance. He   over some bushes and saw the little stream, where the girl was   .
When she opened her eyes and   her dog standing beside her, the girl said, “you   me, Laddy.” and she kissed him several times. Seeing their daughter and dog coming back, the parents burst into tears of   . That night Laddy had a hero’s supper, a huge meal of steak.
小题1:
A.beforeB.since C.whileD.as
小题2:
A.wonderingB.forgetting C.remembering D.regretting
小题3:
A.preferredB.expectedC.failedD.decided
小题4:
A.WhenB.UntilC.If D.Because
小题5:
A.carelesslyB.cautiously C.hopelesslyD.unwillingly
小题6:
A.treesB.bushesC.woods D.grasses
小题7:
A.streamB.rockC.treeD.house
小题8:
A.foundB.sensedC.heardD.smelt
小题9:
A.atB.throughC.inD.onto
小题10:
A.terrible B.StrangeC.pleasantD.familiar
小题11:
A.missedB.discovered C.followedD.ignored
小题12:
A.calmlyB.loudlyC.merrily D.gently
小题13:
A.searchedB.wandered C.lookedD.travelled
小题14:
A.window B.girlC.houseD.hero
小题15:
A.satisfactionB.disappointment C.embarrassmentD.delight
小题16:
A.jumped B.climbedC.walkedD.flew
小题17:
A.awakeB.abandoned C.availableD.asleep
小题18:
A.spotted B.watchedC.observedD.saw
小题19:
A.disturbedB.comforted C.rescued D.scared
小题20:
A.painB.shockC.sorrowD.relief
题型:单项选择题

根据三级预防原则,劳动卫生的一级预防应是

A.现场卫生学调查

B.现场环境监测

C.有效降低有害因素的强(浓)度

D.定期健康检查,建立健康档案

E.有效改善劳动条件

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