A：Paper cutting is popular now in the US.
B：Jianzhi is regarded as a cultural heritage.
C：Paper cutting has a long history in the US.
D：Ms.Woo worries about the future of Jianzhi.
与真菌菌落相比，细菌菌落的特点是（ ）
“天苍苍，野茫茫，风吹草低见牛羊”描写的是 牧区的景观（ ）
