电子消毒橱是饮食行业中常用的设备，其中的臭氧（O₃）发生器在消毒过程中，将空气中的氧气转化为臭氧。下列有关说法中正确的是 (      )            

如图为几种常见的单细胞生物的结构示意图。下列有关该组生物的叙述中错误的是（  ）

    I live in a small town near Xing'an in Guilin. You can't see it on the map of China, because it is too small. The air here is fresh(清新的). There are not many tall buildings in our town. The tallest building is in our school. There are four hundred students and twenty-five teachers in our school. In the front of the school, there is a playground. I often play basketball with my classmates on it. There is a little garden behind our school. And we can grow(种植) beautiful flowers and plant trees there. Next to the garden, there is an orange orchard(果园). You can hear birds singing everywhere. There is a river not far from our school. In summer, we usually go swimming with our teachers in it. We study Chinese, English, Maths and other subjects at school. The teachers are very nice. We love our school.

宋代杰出的词人有（    ）