Oldest Peach Fossil Found in Yunnan

Prunus persica（peach）is an economically important deciduous tree in the Rosaceae family that produces20 million tons of fruit per year.China has a long history of peach cultivation known from both historical and archaeological evidences.So far.

2021年全国高考广东物理试题特点分析与教学启示

以2021年高考广东物理试题为例,对试题特点进行全面分析,从中发掘核心素养的考查思路和理念,为今后的物理教学提供参考与借鉴。