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【多选题】
下列内容中，（ ）属于锅炉最大连续蒸发量试验的内容。A.
锅炉蒸发量
B.
锅炉水和蒸汽品质
C.
蒸汽系统安全性
D.
调温装置运行适应性
E.
锅炉的热效率
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举一反三
【判断题】The design feature of arbitrariness of language means we can use language to talk about anything we like.
A.
正确
B.
错误
【简答题】Language has many functions . We can use language to talk about language . This function is .
【简答题】Language has many functions. we can use language to talk about itself. This function is _____.
【单选题】language has many functions. We can use language to talk about itself. This function is
A.
phatic
B.
emotic
C.
poetic
D.
metalingual
【简答题】Language has many functions. We can use language to talk about itself. This function is ______ function.
【简答题】We can use language more ____(effective).
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