杂交是指两个或两个以上不同品种或品系间的公母羊的交配。（）
参考答案：对
纳税评估常用考核指标可以分为定性指标、定量指标、评议指标三类，当前信息化技术对三类指标都能可靠、高效的识别。
Directions:
Write an essay of around 200 words entitled "Most Appreciated Gifts. " In your essay, you should interpret the picture and discuss ways of showing affection for different occasions, and then give your comment on sending hand-written letters.
