新西兰属于温和湿润的温带海洋性气候，境内多山地、丘陵，广袤的森林和草场使其成为名副其实的“绿色王国”。据此读图，回答问题。

Hi! My name is Li Weikang. I’m fourteen years old. I’m 16 Class 4, Grade 7. Today I’d like 17 you something about our classroom. We 18 a big and bright(明亮的) classroom. There are twenty-four boys and twenty-two girls in our class. So there are 19 desks and chairs in the classroom. There are two blackboards in it, 20 . In front of one blackboard, there is a 21 desk. Some flowers are on it. There are two maps 22 the wall. One is a map of China, and 23 is a map of the world(世界). There is a book shelf 24 the back of the classroom. We have lessons here and we 25 our classroom every day. Our classroom is very nice and I like it very much. ( )16 A. at B. on C. in D. out ( )17. A. to tell B. telling C. there are D. tell ( )18. A. there is B. has C. there are D. have ( )19. A. forty-five B. fifty-six C. forty-eight D. forty-six ( )20. A. also B. too C. near D. early ( )21. A. teacher’s B. teacher C. teachers D. teachers’ ( )22. A. on B. in C. under D. behind ( )23. A. other B. others C. the other D. the others ( )24. A. in B. on C. at D. / ( )25. A. are cleaning B. clean C. cleaning D. to clean

下列有关生物的共同特征的叙述，正确的是（     ）