盒子中装有4副相同品牌的扑克牌，如果要保证摸出3张完全相同的牌，一共要从盒子中摸出____ 张牌．

短文阅读。
    I am Mike, I am 10 years old. I am from the USA. This is my new friend. She is a girl. She is 10 years old. She is from Canada. Her name is Amy. She is a good pupil.

已知函数y=（m+1）$x^{m^2-2}$是反比例函数，则m的值为____ 

下列有关种群增长的S型曲线的叙述，错误的是

After graduation from high school we will reach a point ________ we have to decide which university to attend.