【单选题】Higher than normal temperature air passing through the intake of a diesel engine will result in________.
A.
greater overall efficiency
D.
lower compression ratio
【简答题】男性48岁,农民,因咳嗽、气喘1周就诊,患者于1周前突发咳嗽,呈阵发性干咳,服'镇咳药'未见好转。逐日夜间加重,并出现喘息样咳嗽,伴胸闷、胸痛,咽部异物感,纳差。起病后无发热畏寒,大小便正常。既往体健,有生食荸荠习惯,本村有类似患者4人。查体:T38℃,P907灯分,R24次/分,BPl20/70mmHg,神清,营养可,上眼睑浮肿,浅表淋巴结无肿大,双肺可闻及干啰音及哮鸣音,心腹部及其他未见异常。...
【单选题】以咳嗽无力,喘息短气,呼多吸少为主要临床表现的是( )
【单选题】男性48岁,农民,因咳嗽、气喘1周就诊,患者于1周前突发咳嗽,呈阵发性干咳,服"镇咳药"未见好转。逐日夜间加重,并出现喘息样咳嗽,伴胸闷、胸痛,咽部异物感,纳差。起病后无发热畏寒,大小便正常。既往体健,有生食荸荠习惯,本村有类似患者4人。查体:T38℃,P907灯分,R24次/分,BPl20/70mmHg,神清,营养可,上眼睑浮肿,浅表淋巴结无肿大,双肺可闻及干啰音及哮鸣音,心腹部及其他未见异常。...
【单选题】Which of the following problems can cause an above normal air temperature to develop in the intake manifold of a turbocharged and after-cooled diesel engine?
A.
Faulty turbocharger turbine diffuser ring
B.
Faulty turbocharger compressor ring
C.
Insufficient cooling water flow
D.
Clogged air intake filters
【单选题】Sleepless at Night It was a normal summer night Humidity(湿气) hung in the thick air. I couldn’t go to sleep, partly because of my cold and partly because of my expectations for the next day. My mum had...
【简答题】请根据Barhel指数评定量表的内容,撰写一份完整的询问对话记录。(两个同学为一小组,在提交时请注明同组同学姓名)。
【单选题】如果将“微调偏移”的数值改为1mm,代表的含义是:
B.
当使用鼠标移动图形时,如果靠近另一个图形距离小于或等于1mm,将自动捕捉
C.
当使用方向键移动图形时,每次移动的距离为1mm
D.
当按下数值增加或减少的黑色小三角时,增加或减少的数值为1mm
【多选题】患者男性,68岁,2年前诊断肺心病。一周来咳嗽、咳痰、喘息加重伴双下肢水肿。查体:神志清,双肺可闻及湿啰音,心率100次/分,律齐。肝肋下2.5cm,质软。双下肢水肿。血常规:白细胞计数及中性粒细胞分类均增高。血气分析:pH7.335,PaO 2 50mmHg,PaCO 2 78mmHg,HCO 34mmol/L。
患者经氧疗、控制感染、解痉平喘等治疗后病情有好转,但出现尿量减少,伴颈静脉怒张、下...
【单选题】From the passage we know that ______.
A.
it was Galileo that formed the hypothesis of air pressure
B.
Torricelli was confused by the problem of the water-pump
C.
Pascal's experiment further proved the air-pressure hypothesis
D.
the weight of mercury column influenced air pressure