My new Chinese teacher is Miss White. She is funny and kind. Her favourite food is salad because it is fresh and healthy. She can sing English songs and play the guitar. There is a lake in front of her house. Behind the house, there is a mountain. So she often climbs the mountain and plays some sports on the weekend. I like my Chinese teacher.

下列由地球自转产生的地理意义有（    ）

①地方时 ②对地球形状的影响 ③正午太阳高度的变化 ④黄赤交角 ⑤水平运动物体产生左右偏转 ⑥昼夜现象 ⑦昼夜交替现象

    它常常在太阳焦灼中半身直起，立在青草上；薄翼宽阔而又轻柔，如轻纱、面膜一般，轻轻地拖曳着；前腿形同臂膀，伸向半空。

    平时休息的时候，它只是将所有的武器蜷缩在胸口，那个样子看上去不但没有什么攻击性，甚至会让人觉得它是一只衷心祈祷的小昆虫。

以上两段文字选自《____》，是法国昆虫学家____花了足足三十年时间写就的十卷本科普巨著。文字中的“它”指____，善于利用____制服敌人。