物体以v₀的速度水平抛出，当其竖直分位移与水平分位移大小相等时，下列说法中正确的是（   ）

阅读下面的材料，以《我生活在__________之中》为题目写一篇作文。

    如果一个孩子生活在恐惧中，那么他就学会了忧虑；如果一个孩子生活在讽刺中，那么他就学会了自卑；如果一个孩子生活在鼓励中，那么他就学会了自信；如果一个孩子生活在真诚中，那么他就学会头脑平静地生活。

    要求：①从所给材料中选择一个加点的词语或另外再选一个更适合你自身情况的词语，填写在题目的横线上。②文体为记叙文，要有场景和细节描写。③不少于800字。

       Xiao Ming  is playing with his friend in front of a house. An old woman walks up to him. “My boy,” she asks., “ Is your mother at home?” “Yes ,” Xiao Ming says. The woman begins to ring（按） the door bell（门铃）, but there is no answer（应答）.
       She rings the door bell again. There is still no answer. The woman is not happy. She turns to Xiao Ming  and asks again, “Is your mother at home?” “Yes , she is.” Xiao Ming  answers. “But I ring the door bell twice and nobody（没人） comes to open the door,” the woman says.
“Oh, I'm sorry. This is not my house. My house is over there.”