对孩子轻柔的爱抚，不仅仅是皮肤间的接触，更是一种爱的传递。
参考答案：对
下列哪种物质不属于儿茶酚胺()
A．酪胺
B．肾上腺素
C．去甲肾上腺素
D．多巴胺
E．多巴
It turned out that he had forgotten to () the lens cap and all the pictures he had taken thus failed to develop.
A. remove
B. delete
C. erase
D. detach
