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【单选题】
(单选)当换热器中冷热流体的进出口温度一定,且两流体均不发生相变时,如下说法错误的是 :A.
逆流时的Δtm一定大于并流，错流或折流时的Δtm
B.
采用逆流操作可以减少所需的传热面积
C.
采用逆流操作时可以节约热流体（或冷流体）的用量
D.
采用并流可以保护热敏性物料
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】If we can't tie the tie , then there can't be a wedding. What does the underlined phrase mean?
A.
tie the knot
B.
fasten the tie
C.
get married
D.
tie the bow
【单选题】Regarding the tongue, the wrong answer is
A.
transient enlargement of tongue body: temporarily seen in glossitis, hematoma, angioneurotic water tongue, etc.
B.
long-term tongue enlargement: seen in myxoedema
C.
dry tongue: found in nasal diseases, large number of smokers, atropine, radiotherapy, etc.
D.
cartographic tongue: seen in transitional glossitis and riboflavin deficiency
E.
strawberry tongue: seen in transitional glossitis and riboflavin deficiency
【简答题】稍等一会儿(词组)
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