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搜题
【单选题】
乙型肝炎疫苗预防免疫接种的计划是
A.
出生时接种
B.
出生时、1个月、6个月接种
C.
3个月、4个月、6个月接种
D.
2个月、3个月、5个月接种
E.
9个月接种
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【判断题】渗碳体是铁与碳形成的金属间化合物,其含碳量为6.69%,质硬而脆,耐蚀性强,经4%硝酸酒精浸蚀后,渗碳体任呈亮白色,而铁素体浸蚀后呈灰白色,由此可区别铁素体和渗碳体。
A.
正确
B.
错误
【判断题】Decentralized vacuum pump is suitable for filling machine internal space is not enough to install centralized vacuum pump, gasoline sales volume is not large gas stations.
A.
正确
B.
错误
【单选题】吴茱萸汤的功用是
A.
温中补虚,理气健脾
B.
温中补虚,和里缓急
C.
温中补虚,降逆止痛
D.
温中补虚,降逆止呕
E.
温中补虚,散寒止痛
【单选题】What is NOT mentioned about the solar backup system?
A.
It is easy to install.
B.
It requires little maintenance.
C.
It is cost-effective.
D.
It is reliable.
【单选题】6个月。婴儿,因发热、咳嗽、气促2天,诊断为支气管肺炎入院长。于病程第3天体温更高,抽搐2次,嗜睡进而昏迷。前囟稍隆起,巴氏征阳性
A.
流行性脑脊髓膜炎
B.
化脓性脑膜炎
C.
病毒性脑炎
D.
乙型脑炎
E.
结核性脑膜炎
【单选题】With a purely resistance load the voltage and current are in phase, giving a power factor of _____.
A.
one
B.
less than one
C.
more than one
D.
negative one
【单选题】风中锚泊,为了减小偏荡适宜用()。
A.
单锚泊
B.
一字锚
C.
平行锚
D.
八字锚
【单选题】Why is it desirable to operate paralleled AC generators at the same power factor?()
A.
Circulating currents are kept to a minimum
B.
Field excitation losses are kept to a minimum
C.
Generator rotors will have a lesser tendency to hunt
D.
Because a power factor increase will decrease kilowatt output
【单选题】7个月婴儿,高热、咳嗽6天,气促3天,今日抽搐3次。已接种卡介苗。查体:体温39℃,脉搏180次/分,呼吸70次/分。处于昏睡状态,面色发绀,双目凝视。前囟稍饱满,双肺散在细湿罗音,肝肋下3.5cm,颈软,克氏征阴性,巴氏征阳性。血白细胞9乘以十的九次方/L,中性粒细胞0.35,淋巴细胞0.65。脑脊液:外观清,蛋白定性阴性,细胞数2乘以十的六次方/L,糖3.7mmol/L,氯化物118mmol/...
A.
支气管肺炎,化脓性脑膜炎
B.
病毒性肺炎,心力衰竭,中毒性脑病
C.
金黄色葡萄球菌肺炎,中毒性心肌炎,败血症
D.
毛细支气管炎,心力衰竭,高热惊厥
E.
粟粒性肺结核,结核性脑膜炎
【单选题】Policies are also an important factor for the car market ______ the purchasing power of people.
A.
in addition
B.
beside
C.
expect for
D.
apart from
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