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【单选题】
根据制冷压缩机性能曲线可由蒸发温度和冷凝温度确定______。A.
制冷量和轴功率
B.
制冷量和理论制冷系数
C.
制冷量和指示功率
D.
制冷量和单位压缩功
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【单选题】The nurse is popular among her patients because she is full of thought for them.
A.
always
B.
sometimes
C.
seldom
D.
never
【简答题】阅读理解。 Tony is a boy. He is 16 years old. He studies in a middle school. He often watches TV and likes the popular hair style (发型). His parents and teachers tell him not to do so, but he doesn't listen...
【单选题】The nurse it popular among her patients because she is _________ full of thought for them.
A.
always
B.
sometimes
C.
seldom
D.
never
【简答题】用方框中所给词汇的适当形式完成句子或对话 agree when had better be born food he until smoke sooner or later excuse me 1. Every country has its favourite __________. 2. -Pizza is very po...
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