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【单选题】
如图，AC、BD为圆O的两条垂直的直径，动点P从圆心O出发，沿线段 线段DO的路线作匀速运动．设运动时间为t秒，∠APB的度数为y度，则下列图象中表示y与t的函数关系最恰当的是（ ）A.
B.
C.
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【简答题】蜜炙甘草时,药材与炼蜜的质量比是( )。A.100:5B.100:12.5C.100:20D.100:25A. 1 B. 1 C. 1 D. 1
【简答题】阅读理解。 Something in chocolate could be used to stop coughs and lead to more effective medicines, say UK researchers. Their study found that theobromine, found in cocoa, was nearly a third more effectiv...
【简答题】阅读理解 Something in chocolate could be used to stop coughs and lead to more effective medicines, say UK researchers. Their study found that theobromine , found in cocoa, was nearlv a third more effe...
【简答题】在物质内部，凡是原子呈无序堆积状况的称为( )，相反，凡是原子作有序、有规则排列的称为( )。
【简答题】在物质内部，原子呈无序堆积状态的物质叫____，原子呈有序、有规则排列的物质叫____。金属在固态下属于____。
【单选题】[U1R1] Which of the following practice could not reflect the patient-centered care?
A.
A nurse works with the patient and family instead of giving care to the patients.
B.
The privacy of the patients are protected.
C.
The patients are informed about illness and health care.
D.
Patients' views are based on specific diseases and they receive care passively.
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