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[单选题]进食时食物刺激口腔,咽.食管等处的感受器,可反射性引起胃的( )。
A.紧张性收缩
B.容受性收缩
C.紧张性舒张
D.容受性舒张

热门试题:

[单选题]以下处理故障原则错误的是( ).
A.先外部,后传输
B.先单板,后单站
C.先线路,后支路
D.先高级,后低级
[单选题]某施工企业于2011年3月1日取得安全生产许可证,该许可证至( )届满。
A.2013年3月1日
B.2014年3月1日
C.2015年3月1日
D.2016年3月1日
[单选题]全自动车钩压溃管属于(___)级缓冲装置。(1.0分)
A.1
B.2
C.3
D.4
[填空题]ZLD-40铲运机:电流表正常指示读数范围显示()左右。
[单项选择]给小婴儿喂药后,应()。
A. 喂一些止吐药
B. 不喂任何东西
C. 喂一些牛奶
D. 喂糖水
[单项选择]血清型IgA占总Ig的()
A. 5%~10%
B. 20%~25%
C. 15%~20%
D. 10%~15%
E. 1%~5%
[判断题]依据《中国南方电网有限责任公司电力安全工作规程》,电焊机的外壳应可靠接地,电焊机露天放置应选择干燥场所,并加防雨罩。 ( )
A.正确
B.错误
[判断题]主要开关箱空间足够,一个开关箱可以控制多台用电设备。
A.正确
B.错误
[单选题]行政强制措施应当由行政机关具备资格的行政执法人员实施,其他人员经过培训也可以实施。()
A.A.错误
B.B.正确
[简答题]户外邻近带电作业,作业人员、机械、设备、工器具要与带电物体保持足够的安全距离,严禁触碰带电设备。(  )
[判断题]雷电时,禁止测量绝缘电阻及高压侧核相。
A.正确
B.错误
[判断题]若铰链四杆机构的两连架杆均为摇杆,则此四杆机构称为双摇杆机构。(  )
A.正确
B.错误
[单选题]肝性脑病最常见的病因是()
A.重症肝炎
B.药物性肝炎
C.妊娠期脂肪肝
D.肝硬化
E.原发性肝癌
[单选题]当基本闭塞法不能使用时,应根据( )采用电话闭塞法行车。
A.列车调度员的指示
B.车站值班员的命令
C.列车调度员的命令
D.列车调度员的口头准许
[判断题]工作票中规定的设备检修人员需对房屋、设备进行检修时,值班员可将其保管的钥匙交给作业组的工作领导人,在最终作业结束后值班员要及时收回钥匙
A.正确
B.错误
[判断题]标志板反光膜和标志金属构件镀层应无明显损伤。( )
A.正确
B.错误
[单项选择]


A. in
B. at
C. into
D. to
[多选题]依据《中国南方电网有限责任公司电力安全工作规程》规定,经常有人工作的场所及施工车辆上宜配备急救箱,存放急救用品,并指定专人定期( )。
A.检查
B.使用
C.补充
D.更换
[单选题]单梯的横档应嵌在支柱上,并在距梯顸( )m处设限高标志。
A.1
B.1.2
C.1.5
D.1.8
[判断题]机动绞磨宜设置过载保护装置,可以采用松尾绳的方法卸荷。
A.正确
B.错误
[单选题]影响项目选址的区域因素不包括( )。
A.自然环境因素
B.交通运输因素
C.社会和政策因素
D.扩散因素
[单项选择]减慢心率从而降低心肌氧耗量,缓解心绞痛的药物是()
A. 硝酸异山梨醇酯
B. 硝苯地平
C. 胺碘酮
D. 美托洛尔
E. 硝酸甘油
[判断题]原次级类贷款的客户现已还清所有拖欠的本息,逾期天数现为0,可将其七级分类调为正常类。
A.正确
B.错误
[判断题]长大下坡道为:线路坡度超过20‰,长度为5 km及以上
A.正确
B.错误
[单选题]莱特币网络大约每()分钟处理一个块,莱特币网络预期产出()万 个莱特币。
A.1;6000
B.2;7000
C.2.5;8000
D.2.5;8400
E.3;9000
[多选题]>东风4B型机车采用的是承载式车体,承载式车体的优点是( )。
A.重量轻
B.抗击能力强
C.结构简单
D.重量重
E.承载能力强
[单选题]纳税人应当自纳税义务发生之日起( )内申报缴纳车辆购置税。
A.15日

B.60日

C.30日

D.10日
[简答题]什么是知情选择?
[单项选择]Such ______ as self-respect and industriousness merit the full backing of an employer.
A. advantages
B. traits
C. interests
D. shortcomings
[单项选择]关于房性期前收缩,下列正确的是()
A. 30%正常人都可以出现
B. 60%正常人都可以出现
C. 是快速性房性心动过速的先兆
D. 其后不出现完全性代偿间歇
E. 通常需要治疗
[单项选择]
How to Survive a Layoff

You’ve lost your job, but it’s not the end of your career. Get the help you need to set you back on track with advice from the experts.
Don’t Panic!
After a job loss, it may seem like your world is crashing in all at once. Stay calm and resist the urge to make any sudden moves—like sending a harshly critical e-mail or making a scene on your way out—that could hurt you in the long run.
"It’s completely normal to feel panic after a job loss," says Lynn Joseph, Ph. D., psychologist and author of "The Job-Loss Recovery Guide".
Your self-esteem can also take a hit, especially if you think you’ve been singled out. "Logically and intellectually we know that (we may have been part of a mass layoff), but emotionally we take it personally," Joseph says.
With so many emotions at play, the key is to think before you act. Remember, your goal is to leave your job gracefully a
A. To analyze the current situation in the job market.
B. To give suggestions to those laid off in the crisis.
C. To give tips on job landing in the economic decline.
D. To offer advice on how to avoid being laid off.
[单选题]对无心跳无呼吸触电假死者应采用( )急救.
A.送医院
B.胸外挤压法
C.人工呼吸法
D.人工呼吸与胸外挤压同时进行
[填空题] Questions 47 to 56 are based on the following passage.
The partnership between humans and animals dates back to the first domestication of animals in the Stone Age, as long as 9,000 years ago. But never have animals provided such (47) and particular help to humans as they do today in the form of trained (48) to people with disabilities. These animals, usually dogs, help people (49) tasks that would otherwise be difficult or even impossible. Service animals are not (50) but working animals doing a job; thus, (51) such as the Americans with Disabilities Act(1990) in the United States and the Disability Discrimination Act (1995) in the United Kingdom make service animals exempt from rules that (52) animals from public places and business.
The most familiar service animals are guide dogs whose job is to help people with (53) weakness or disability move about safely. Systematic training of
[判断题]电气设备运行状态指设备的开关和刀闸均在合上位置,已通电工作。( )
A.正确
B.错误
[单选题]“安检机构应当派员在候机隔离区内巡视,对重点部位加强监控”是属于安全检查部门的( )。
A.行政法规执行权
B.拒绝登机权
C.候机隔离区监控权
D.航空器监护权
[单选题]“4321”管理方针中“2”是指:工作面配备4-6根单体柱,作为临时前探支护强化装置,距工作面迎头不大于______米,且三用阀、液枪、液管、顶梁、液压油必须配备齐全。
A.10
B.20
C.30
D.40
[单项选择]

One day while a girl was walking in the woods she found two starving songbirds. She took them home and put them in a small (31) . She cared for them and felt great love for them.
Once the (32) and stronger of the two birds flew from the cage. Therefore, (33) he flew close, she grasped him (34) . She felt glad, but suddenly she felt the bird go limp. She opened her hand and (35) in horror at the dead bird.
She noticed the other bird moving back and forth on the edge of the cage. She could feel his great need for (36) . She lifted him from the cage and (37) him softly into the air. The bird circled once, twice, three times.
The girl watched delightedly at the bird’ s enjoyment. Her heart was no longer (38) with her loss. Suddenly the bird flew closer and (39) softly on her shoulder. It sang the sweetest melody that she had ever heard.
The fastest way to (40) love is to hold o
A. weaker 
B. taller 
C. larger 
D. shorter

[单项选择]下列用药方法是错误的是
A. 旋覆花包煎
B. 生大黄后下
C. 鹤草芽入煎服
D. 阿胶烊化兑服
E. 附子先煎

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