江畔何人初见月？，____？（张若虚《春江花月夜》）

下列哪一项不是人类利用病毒为人类服务的实例？（　　）

    Spring is coming．People in different countries like different outdoor activities．Leo，a reporter from Learning English in interviewing（采访）some students．Here is what they have said．
    Mary （13, America）　　
    I want to go out of the city to a beautiful field. It's happy to smell beautiful flowers, touch green grass and take some photos. And I like to have a picnic in the field, It's interesting!
    Jim （14, Canada）　　
    The weather turns warmer and they days become longer in spring. It's a good time to go camping. It would be fun to sleep in a tent. I enjoy the comfortable weather too.
    Tony （13, England）
    In spring, I like going cycling alone. It can not only make me enjoy the beautiful season but also help me became stronger. I can write something about what I see on the way.
    Wang Fang （12, China）
    I'm good at making all kinds of kites. And in spring. I like flying kites with my family or my friends in the park. One of us holds the kite. and another one catches the line. It's exciting to see the kite flying high in the sky.

为了鼓励学生课外阅读，学校公布了“阅读奖励”方案，并设置了“赞成、反对、无所谓”三种意见．现从学校所有 $2400$ 名学生中随机征求了 $100$ 名学生的意见，其中持“反对”和“无所谓”意见的共有 $30$ 名学生，估计全校持“赞成”意见的学生人数约为（     ）

—I____(am going／go)to the science museum.