①传入神经  ②传出神经  ③感受器  ④神经中枢  ⑤效应器．

  They believe things will____ ____well．

某地理研究性学习小组对家乡潍坊市（36.5°N，119.1°E）进行实地考察。该学习小组观测太阳，此时太阳处于正南方位，仰角为60°。下图为该小组观测到的某居民楼太阳能热水器的集热板。为了冬至时更好地利用太阳能，学习小组建议居民将太阳能集热板____。

    Sam is a good boy. He is tall and fat. He likes sports. In spring, he flies kites in the park. In summer, he plays football with his friends under the tree. In autumn, he goes fishing with his Dad in the lake. In winter, he plays snow with his pupils at school. He is happy each day.