锚具静载锚固性能试验,锚具效率系数应满足( )。A.0.9 B.0.92 C.0.

题型:单项选择题

问题:

锚具静载锚固性能试验,锚具效率系数应满足( )。

A.0.9

B.0.92

C.0.95

D.0.99

考点:公路工程试验检测员考试桥梁桥梁
题型:单项选择题

男性,56岁,高血压病史10余年,用力后突发胸骨后及背部撕裂样疼痛2小时。

有关主动脉夹层,正确的是()。

A.常见的致病因素是高血压

B.最常见的临床表现是突发性剧烈的疼痛

C.Miller分型为病变在左锁骨下动脉远端开口(不累及升主动脉)为A型,凡升主动脉累及者为B型

D.夹层可破入胸腔、心包,导致猝死或心包压塞死亡

E.主动脉夹层诊断金标准是超声检查

F.A型主动脉夹层首选手术治疗

G.Marfan综合征发生主动脉夹层,无论A型或B型,均不需手术治疗

题型:单项选择题

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有2项为多余选项。

     So, there you are, just sitting there in the subway car, enjoying that book you just bought. 1_____ Or,

the person sitting next to you takes out a nail clipper (指甲刀) and begins cutting his or her nails.

     Annoying? Many of us have to spend some time every day on public transportation (客运). 2_____ So,

to make the trip more pleasant, we suggest the following:

     Let passengers get off the bus or subway car before you get on. 3_____ Stand away from the doors

when they are closing.

     Don't talk loudly on a bus or subway. Chatting loudly with your friends can be annoying (讨厌的) to

others. 4_____.

     Don't think your bags and suitcases deserve (应得) a seat of their own.

     Use a tissue whenever you cough or sneeze (打喷嚏). An uncovered sneeze can spread germs, especially

in crowded places.

     Don't cut your nails or pick your nose on public transportation.

     Don't read over other people's shoulder. 5_____. It can make people uncomfortable. They might think

you're too stingy (小气的) even to buy a newspaper. Or they might think you're judging their behavior.

A. Suddenly, you feel someone leaning over your shoulder reading along with you.

B. Getting off and on in an orderly manner can save time for all.

C. Many people do this on subways, but it's really annoying.

D. We all know that some behaviors are simply unacceptable.

E. Don't shout into your mobile phone on a bus or subway.

F. Mind those manners on the subway.

G. Don't eat food on a bus or subway.

题型:单项选择题

斜齿轮与直齿轮相比,它的优点是什么?()

A.传动比大。

B.不易磨损。

C.传动工作平稳、承载能力高。

D.易于加工。

题型:单项选择题

现病史询问和记录的内容包括()。

A.症状出现时间、部位、性质程度

B.诱因、缓解方式、伴随症状

C.做过哪些检查及其结果,经过哪些治疗及其效果

D.以上都是

题型:单项选择题

靠倒卖文物发大财,这种职业是文物商贩。

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