男性,72岁。心悸,易怒,诊断为甲状腺功能亢进,为了听到是否有枪击音。常选择的血管是()。
A.颈动脉
B.锁骨上动脉
C.桡动脉
D.腓动脉
E.股动脉
参考答案:E
Polly said that he did everything ______ she could to comfort his sister who cried after being refused by Harvard.
A.what
B.which
C.when
D.that
“颜色动态”中,下列哪个是用来定义绘制的线条在前景和背景之间的动态变化。()
A.色相抖动
B.饱和度抖动
C.前景/背景抖动
D.亮度抖动