题目

阅读下面短文，根据所给情节进行续写，使之构成一个完整的故事。 Theeight-year-old Carol lived with her father David, mother May and elder brotherRob. The little family happily lived in a beautiful villagesurrounded with beautiful nature. The village was at the foot of amountain, with beautiful views of the snowy mountain. The family survived ongrowing seasonal plants and trees. Whilethey lived a very happy life, Carol did not love the beautiful atmosphere(氛围) of the village. She really wanted to move into the city and enjoythe city life. She wanted to shop, move 一水平抛出的小球经时间t落到一倾角为θ的斜面上，其速度方向正好与斜面垂直，运动轨迹如图所示。则小球抛出的初速度为（设重力加速度为g）A．gt tanθ B．gt cosθC．gt sinθ D．gt