1937年8月，蒋介石夫人宋美龄在中国妇女慰劳自卫抗战将士总会成立大会陈词：“我们要保全国家的完整，保护民族的生命，应该尽人人的力量，来抵抗敌人的侵略。我们妇女也是国民一分子……打仗的时候男子要上前线杀敌，后方工作是我们的责任”，宋美龄意在强调（   ）

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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

从图中所示的两种微粒结构示意图中，所获取信息不确的是（  ）