Did your father ______? [ ] A. take you_爱下问搜题

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问题选择题

Did your father ______? [ ]

A. take you to there

B. take you there

C. took you there

D. took you to there

答案

答案：B

单项选择题

关节盘分区中关节负重区为()

A．前带

B．双板区上层

C．中间带

D．后带

E．以上都不是

单项选择题

调节“彩超”中的速度标尺及滤波范围，下列哪项是错误的

A．高速血流选择高速标尺
B．低速血流选择低速标尺
C．消除低频信号干扰，应采用高速标尺
D．低通道滤波适合检查低速血流
E．高通到滤波适合检查高速血流