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【判断题】
态高分子化合物从高弹态向粘流态转变温度叫玻璃化温度,用 T g 表示。A.
正确
B.
错误
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【多选题】动脉血 pH 值在 7.35~7.45 可能说明
A.
代谢性酸中毒合并代谢性碱中毒
B.
没有酸碱平衡紊乱
C.
代偿性代谢性酸中毒
D.
呼吸性酸中毒合并代谢性碱中毒
E.
代谢性碱中毒合并呼吸性酸中毒
【简答题】Dear Peter, I’m very glad to receive your e-mail asking for information about the host family we have arranged﹀you to stay with． Locating in a beautiful and quiet neighborhood, the house was big enoug...
【单选题】听力原文：W: Hi, Peter. M: Hi, Mary. I'm glad to meet you here. Q: What is the relationship between the speakers? (19)
A.
They are friends.
B.
They are strangers.
C.
They are brother and sister.
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