种子的休眠
参考答案：在适宜发芽的条件下，作物种子和供繁殖的营养器官暂时停止萌发的现象。
这里，我想就以下一些方面谈些看法，希望有助于诸位对中国的了解。( )
A. Here, I would like to make some observations on the following aspects, which I hope will help you know China better.B. Here, I would like to make some observations on the following aspects, I hope will help you know China better.C. Here, I would like to make some observations on the following aspects I hope which will help you know China better.D. Here, I would like to make some observations on the following aspects, and I hope will help you know China better.
蒸汽吊车使用的润滑材料有哪几种？
