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【简答题】
黄铜是以 为主加元素的铜合金,H70表示铜的质量分数为 。
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反馈参考答案：
举一反三
【单选题】The author thinks that pull factors ______.
A.
are all related to economic considerations
B.
are not as decisive as push factors
C.
include a range of considerations
D.
are more important than push factors
【简答题】诃子的功效有 、 。
【简答题】李某,女,66岁,黎明之前脐腹作痛,肠鸣即泻,完谷不化,泻后则安,腹部喜温,形寒肢冷,腰膝酸软。 舌淡,苔白,脉沉细。 请回答病名、证型、病机分析、治法及方药
【单选题】The writer thinks that we can't judge ______.
A.
buildings by the ancient standards
B.
all the buildings by the ancient standards
C.
all the modern buildings by the ancient standards
D.
modern buildings
【单选题】The author thinks that pull factors ______.
A.
are all related to economic considerations
B.
are not as decisive as push factors
C.
include a range of consideration
D.
are more important than push factors
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