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【简答题】
双指示剂法测定混合碱过程先后用到的两种指示剂是
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举一反三
【多选题】下列正确的说法是(    )
A.
用冰袋使高热患者降温,其机制属于传导散热
B.
用酒精擦浴使高热患者降体温,其机制属皮肤蒸发散热
C.
用风扇纳凉,是增加对流散热
D.
服用退热药片,是降低调定点温度,增加散热,减少产热
E.
让室内空气流通,主要促进对流散热
【判断题】所有放大电路都必须加反馈,否则无法正常工作。
A.
正确
B.
错误
【单选题】调查问卷的效度也称()
A.
一致性
B.
同质性
C.
可靠性
D.
正确性
E.
可行性
【单选题】( )是学校实施课程教学工作,统一课程教学的主要依据。
A.
习题集
B.
教学大纲
C.
教材
D.
人才培养方案
【简答题】In China, when a person sits at a dinner party, he will very often refuse the offer of food or drink though he is 20 still hungry or thirsty. This 21 be good manners to Chinese people, but it is defi...
【多选题】调查问卷的效度包括哪几种?
A.
内容效度
B.
结构效度
C.
校标效度
【简答题】It's not much, but it's home. Francis Chan, an engineer, lives in Hampstead, north London, in a flat that's just 4ft wide by 21ft long. He loves it. Tiny though it is, it has got all the comforts. Pet...
【判断题】选择供应商是企业选择合适的供货者的过程( )
A.
正确
B.
错误
【判断题】When an argument is used for persuasion, its purpose is to cause its audience to believe its conclusion.()
A.
正确
B.
错误
【单选题】What is the meaning of“folklore”in the last paragraph?
A.
Traditional customs and beliefs.
B.
Verified hypotheses.
C.
Widely held unsupported notions.
D.
Tales or sayings preserved orally.
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