试题与答案

上臂的外展是由肩肱关节和肩胸关节共同完成的,最初的多少度由肩肱关节单独完成A.30度

题型:单项选择题

题目:

上臂的外展是由肩肱关节和肩胸关节共同完成的,最初的多少度由肩肱关节单独完成

A.30度

B.40度

C.45度

D.20度

E.10度

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析: 不同进制数之间的比较,必须统一转换成同一进制的数.一般而言,转换成十进制数比较方便。十六进制数34转换成十进制数是52;二进制数110010转换成十进制数是50;八进制数63转换成十进制数是51。

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