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【单选题】
If air at 95℃ dry bulb temperature and 50% relative humidity is conditioned to 75℃ dry bulb temperature and 50% relative humidity, it is an example of （）.A.
cooling only
B.
cooling and humidifying
C.
cooling and dehumidifying
D.
adiabatic cooling
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【单选题】闭合性胸部外伤后出现反常呼吸运动的表现是
A.
呼气时胸壁外突吸气时正常
B.
吸气和呼气时胸壁均外突
C.
吸气时胸壁外突呼气时胸壁内陷
D.
吸气时胸壁内陷呼气时胸壁外突
E.
吸气和呼气时胸壁均内陷
【单选题】When teaching speaking what is the first and most important task for a language teacher?
A.
Trying to design suitable speaking tasks for learners.
B.
Setting various kinds of tasks for learners to train their oral competence.
C.
Adjusting their ways of assessing learners’ spoken language.
D.
Encouraging learners to speak up the language they are learning.
【单选题】What is the main task of the lubrication oil in the engine?
A.
To lubricate and cool the engine
B.
To lubricate the engine
C.
To transfer heat out of the engine (cooling)
D.
To keep the crankcase clear and free of deposit
【单选题】患者男,双侧肾动脉狭窄,有哮喘病史,因气短、心悸就诊,体检和实验室检查结果为血压172/96mmHg,血尿酸516umol/L(正常值180~440umol/L),血钾5.6mmol/L(正常值3.5~5.5mmol/L).可选用哪一个降压药
A.
氢氯噻嗪
B.
替米沙坦
C.
卡托普利
D.
利血平
E.
拉西地平
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