单项选择题

What does the suffix "-scopy" mean in medical English?

A．the instrument to examine an organ
B．the instrument to record an organ
C．the X-ray record of an organ
D．the examination of an organ

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单项选择题

A、是A
B、是B
C、是C
D、是D

多项选择题

在下列工艺中，_____属于体积减量化技术。

A．好氧消化
B．厌氧消化
C．浓缩
D．脱水