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【单选题】
患者女性,80岁。因“风心病、房颤”入院,主诉心悸、头晕、胸闷、四肢乏力,护士为其诊脉时发现脉搏细速、不规则,同一单位内心率大于脉率,听诊心率快慢不一,心律完全不规则,心音强弱不等。此脉搏称为A.
短绌脉
B.
交替脉
C.
D.
水冲脉
E.
奇脉
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举一反三
【单选题】关于眼部病变的相关疾病说法错误的是()。
A.
青光眼患者的房水压高导致视神经离开眼球，视神经轴突萎缩
B.
视网膜剥离症患者会对光照和阴影产生错觉
C.
色素性视网膜炎是一种与基因突变有关的疾病，表现为渐进的光感受器退行性病变
D.
患有黄斑退化的病人首先表现为周边视觉和夜视的丧失，随后会可能完全致盲
【单选题】— Can John play soccer with us, Mrs Black? — One moment, please. He _____ on the phone to his cousin.
A.
talks
B.
talked
C.
talking
D.
is talking
【简答题】The children often play soccer in the garden and sometimes break Mr Black’s windows. One afternoon Mr Black is at home and reads a book. In a minute he closes his eyes and goes to sleep. At that time ...
【简答题】Below is the histogram of an image of a black-and-white soccer ball on a gray background. [0 520 920 490 30 40 5910 24040 6050 80 20 80 440 960 420 0] 1、In the image, ___________bits were used to stor...
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