声音、图像、文字均可以在WindowsXP有剪贴板暂时保存。
参考答案：对
According to the recent research, heavy coffee drinking and heart attack is not necessarily ______ and effect.
A．reason
B．influence
C．fact
D．cause
薄荷粉末中可见
A．橙皮苷结晶B．草酸钙方晶C．碳酸钙结晶D．硅质块E．草酸钙针晶束
