单项选择题

比色法是重金属在线监测仪所采用的主要技术原理之一。

A．对
B．错

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远固定时，胸大肌可上提肋骨，辅助呼气。
正确
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答案：错误

单项选择题

1. The picture 1
2. The picture 2
4. Which one is different interpretation among the below sentences about the two images?
A、The Picture 1 is well balanced in weight.
B、The Picture 2 would feel anxious a little bit without the support from the wall.
C、The Picture 1 honestly feels like it doesn't make any sense at all.
D、According to 'the Balanced-Asymmetrical EmotionRatio,' the picture 1 is of 'Yin Energy' while the picture 2 is of 'Yang Energy'