某同学制作了下面图示。根据历史事件的因果关系，空白方框内应填写(    )

    I'm Lucy. There are four people in my family. They are my grandfather, my parents and me. My grandfather likes to plant flowers. He works on his farm every morning. My father likes to watch TV. He likes to watch the news very much. My mother likes to go shopping. She often buys new clothes for us. I like to read books. I go to the library on Sundays.

Even the extreme climate can’t prevent polar bears wander on the beach.____ 

在长征途中，***非常重视情报工作，及时掌握敌方的部署与动向，根据敌我双方力量的变化，寻找敌方薄弱环节，灵活调动军队，四渡赤水，终于摆脱了敌兵的围追堵截。***用兵如神的奥秘在于（   ）

①重视调查研究，依据不断变化的情况决定军事部署

②把对战争规律的真理性认识作为军事行动的出发点

③善于在瞬息万变的战场形势中掌握和利用战争规律

④认识到红军将士的主观能动性在战争中起决定性作用