给出命题：

①函数y=cos$\left(\frac{3}{2}x+\frac{\mathrm{\pi }}{2}\right)$是奇函数；

②若α、β是第一象限角且α＜β，则tanα＜tanβ；

③y=2sin$\frac{3}{2}$x在区间-$\frac{\mathrm{\pi }}{3}$,$\frac{\mathrm{\pi }}{2}$上的最小值是﹣2，最大值是$\sqrt{2}$；

④x=$\frac{\mathrm{\pi }}{8}$是函数y=sin(2x+$\frac{5}{4}\mathrm{\pi }$)的一条对称轴．

其中正确命题的序号是____ ．

完形填空

    In our life, we meet quite a lot of people: some just pass by while others can 1 our lives. Miss Bella is such a person. She taught me two years only. 2, she has taught me a lot in many ways.

    Every day she began her classes with a smile and a fresh face. She made me realize that warm3 could change a person. I was shy but I wasn't 4 in her classes at all. She gave lessons in a 5 way from other teachers. We had many 6 to talk about problems in English classes. Miss Bella would thumb up (竖起大拇指) to encourage us 7 someone had great ideas. Now, I 8 that I have learned much from her classes. Learning to speak out your ideas is so9 in society. She also made me realize that I could be myself by showing opinions10. Her encouragement not only turned me into a confident student, but will also lead me to a successful life.

下列表述属于食物链的是（　　）

2014年，德国总理默克尔把德国绘制的第一幅精确的中国地图（注明台湾、澎湖群岛、钓鱼岛都是中国领土）赠送给******。350多年前，打败荷兰殖民者，收复台湾的民族英雄是（    ）