园林中的楼阁是园林中的重要点景建筑。（）
参考答案：对
They had a long talk about the persons and things _____ they both knew.[ ]
A. whom
B. what
C. that
D. which
成团脱落的间皮细胞可呈()
A．嵌铺砖状
B．融合体样
C．蜂窝状
D．扁平铺鹅卵石样
E．腺腔样
