①从15世纪开始,欧洲白人、非洲黑奴以及原住居民印第安人互相通婚,使得混血种人数量较多
②桑巴舞中融合了欧洲葡萄牙的民歌、游戏以及非洲的鼓乐、舞蹈等元素
③巴西人喜爱的现代足球源自于俄罗斯
④狂欢节原是欧洲基督教的节日,后来传到巴西
佝偻病 A缺乏含碘的无机盐
糖尿病 B缺乏维生素A
夜盲症 C缺乏维生素C
地方性甲状腺肿 D胰岛素分泌过少
坏血病 E缺乏含钙的无机盐
自然环境会影响地区的建筑风格.如图是云南吊脚楼,它反映出当地的主要自然特征是( )
How many rules do you have in your family?
A reporter(记者), Jeff, goes to Hongguang Middle School and asks four students about their family rules.
On school days, Jack can't play computer games and he has to go to bed before nine o'clock. He has to take a shower before going to bed. He has to clean the house on weekends.
Jim has to get up at six o'clock every morning. He has to do the homework after school. He can't watch TV or play computer games on weekdays, either.
Sally can't sing loudly(大声地)at home. She has to listen to English before going to bed. She has to play the violin on Sundays.
Mike has to run in the morning. He can't eat junk food(垃圾食品)too much. He has to help his mom make dinner on weekends.
2015年4月25日14时11分,亚洲国家尼泊尔(如图)的博克拉市发生8.1级地震,此次地震震中的经纬度是( )