A：我国疆域辽阔，北回归线穿过我国南部，北极圈穿过我国北部
B：中国位于亚洲东部、太平洋西岸，是一个海陆兼备的国家
C：各民族的分布具有“大杂居、小聚居”的特点，其中少数民族集中分布在东部和中部
D：中国人口分布大致以漠河﹣腾冲一线为界，呈东多西少的态势
Today is Saturday. It’s sunny and warm. Many children from No. 1 Middle School are at the Old People’s Home. Now, they’re helping the old people. Look! Li Min and Zhan Ran are cleaning the windows. Ma Lan and Liu Qian are washing clothes. What’s Li Na doing over there? Many old people are clapping their hands(鼓掌)for her. Oh, she’s singing for them. Her song is really beautiful. And where’s the American boy, Tom? He likes helping others and he often comes here. Listen! Who’s speaking English? It’s Tom. He’s teaching two old people to speak English. All the children and the old people are very happy. “We are happy when we help others, ” says Tom.
下列能准确反映公民和人民关系的是 （ ）
自信是成功的基石。要扬起自信的风帆，就应该（ ）
①看到自己的进步与长处 ②勇于实践，积累成功的经验
③掩饰自己的缺点与不足 ④克服自卑与自负
