单项选择题 下列操作不属于单元操作的是（ ）

单项选择题 Complete the following sentences with appropriate words in the box. Change their forms if necessary. retain biodiverse sustainable renewable affordable calamity ubiquitous insulation Now Chinese researchers have come up with another tool in the energy-saving arsenal: a building material that can release and _____________ heat on demand, which makes a significant difference to the cost of heating and cooling buildings.

多项选择题 有嗜天青颗粒的细胞是（    ） A. 中性粒细胞 B. 淋巴细胞 C. 单核细胞 D. 嗜酸性粒细胞 E. 嗜碱性粒细胞