同位素的分类
参考答案:放射性同位素和稳定同位素
阅读下面的清诗,回答问题。(8分) 秋暮吟望 赵执信 小阁高栖老一枝【注】,闲吟了不为秋悲。寒山常带斜阳色,新月偏明落叶时。烟水极天鸿有影,霜风卷地菊无姿。二更短烛三升酒,北斗低横未拟窥。【注】①“一枝”语出《庄子逍遥游》“鸿鹄巢于深林,不过一枝”。“老一枝”意为终老山林。
本诗表现了诗人怎样的心境?结合全诗简要分析。(5分)
Don't worry about the old grandpa, he _____.[ ]
A. will be taken good care
B. had been taken good care
C. was taken good care of
D. has been taken good care of