作直线相关分析时,当n-10,r-0.8531,α-0.05(双侧),查相关系数界值表r0.001,8=0.872,r0002,8=0.847,r0.005.8=0.805,得P值范围为
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患者,女性,38岁。近1年来经常出现心慌,劳累后呼吸困难。查体:心浊音界向左下扩大,胸骨右缘第2肋间可听到粗糙的收缩期吹风样杂音。诊断应考虑为()
According to Mike Donahue, how do the TV news reporters avoid prejudices?
A. Raise their eyebrows.
B. Interpret the words on the script.
C. Be not affected by anything on the script.
D. Be enthusiastic about the exciting stories.