负责机动车驾驶培训教练员和道路运输经理人从业资格证件发放和管理的机构是()。A.县级

题型:单项选择题

问题:

负责机动车驾驶培训教练员和道路运输经理人从业资格证件发放和管理的机构是()。

A.县级道路运输管理机构

B.设区的市级道路运输管理机构

C.省级道路运输管理机构

D.交通运输部

考点:道路运输管理人员从业人员管理从业人员管理题库
题型:单项选择题

1. This toy is not _____________________(适宜的) for young children. It is a little dangerous.

2. Taiwan was ________________(宣布)to be part of China.

3. One morning his stepfather ____________________(陪伴) him to school, which seldom happened and moved him a lot.

4. I have a lot of ___________________(同情)for him, who was born with disability.

5. My English teacher was beginning to get very ____________(惹恼)with me about my carelessness.

6. To the teacher’s ___________________(满意),his students did very well in their studies and made great progress.

7. Cycling is highly ___________________(有益的)to health and the environment.

8. Tom’s salary is not a___________________ (足够的) to support his family, because he has five children.

9. The plan was _____________________(放弃)when it was discovered just how much it could cost.

10. Mary is a good travelling __________________(伙伴)for me.

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女性,31岁,有风湿性心脏病史4年,近10天来发热,疑诊为亚急性感染性心内膜炎,以下哪项处理最恰当

A.做血培养后:立即肌注青霉素

B.先用3天抗生素,再血培养

C.做血培养后立即考虑瓣膜置换术

D.做血培养,待结果回报后选择用药

E.做血培养后立即静脉滴注大剂量青霉素

题型:单项选择题

小儿,女,腕部骨化中心为6个,恒牙未萌出。

以下指标中表明该小儿发育正常的是()

A.体重15kg

B.头围48cm

C.上臂围测量值为12.0cm

D.身高107cm

E.胸围50cm

题型:单项选择题

如图所示,质量为48kg的小华同学骑着一辆自行车在平直公路上匀速运动500m,所用时间为100s。若自行车质量为12kg,假设自行车在行驶过程中受到的阻力为人和车重的1/12。求:

(1)自行车行驶的速度。

(2)在这段过程中,人与自行车构成的整个系统受到几个力的作用,每个力的大小和方向分别如何?(只作答,不要求写出计算过程)并在图中画出这些力的示意图。

(3)若车胎与地面总的接触面积为40cm2,则该同学骑车时,自行车对地面压强为多少?(取g =10N/kg)

题型:单项选择题

分汽缸的底部应设置:()

A、减压阀

B、安全阀

C、疏水阀

D、截止阀

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