Good habits are important to us. We should build good living habits. Now let's have a look at the two brothers. Li Qiang and Li Gang are brothers. But their living habits are different. Now let's go to Li Qiang's room. Li Qiang cleans his bedroom every day and puts his things away. Look! There is a computer on the desk. There are two balls under the bed. A guitar and a kite are on the wall. Some books are on the shelf. So he must be a careful boy. Now let's go to Li Gang's room. The room is not clean. Can we see his clothes on the desk? Oh, yes. We can see a football and a knife on the desk, too. Li Gang never does any cleaning on weekends. So his room is in a mess.
What do you think of Li Qiang and Li Gang? Li Qiang is a good boy. Li Gang must learn from his brother
下图为大兴安岭东西两侧的地形剖面示意图,①②③地的自然景观依次可能为( )
中国的北京、上海、南京等30多个城市积极参加2014年“地球一小时”熄灯活动，全球共有6000多个城市10多亿人共同参与．这说明（ ）①我国积极实施可持续发展战略②解决环境与资源问题的关键靠科技③节能减排已成为每个人的自觉行动④倡导低碳生活得到世界各国的积极响应．
【盛世气象新】
材料一：盛唐时期，农民积极兴修水利，改进工具，极大地促进了生产的发展。
材料二：唐朝鼎盛时期是诗歌最为繁荣、成就最高的时期．众多的诗人在浪漫的氛围中自由地创作，共同营造出震撼后世的“盛唐气象”。
【和同为一家】
材料三：唐朝开明的民族政策还表现在任用大批各族贵族为官；实行并非屈辱而是民族友好的“和亲”政策。唐朝时期，各族之间战事较少，和平相处，共同发展成为主流，中华文明进入一个新的高峰。
——摘编自施建中《中国古代史》
【海内存知己】
材料四：唐朝的繁盛吸引了当时世界各国的人们漂洋过海、不远万里来到中国，唐帝国自身也以强大的国力、博大的胸怀兼容并蓄外来文化的精华。全面的开放和广泛的交流使唐朝文明更加辉煌。
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