函数f（x）=Asin（ωx+φ）（A＞0，ω＞0，0＜φ＜π）的图象如图所示，则f（$\frac{\mathrm{\pi }}{4}$）的值为（　　）

经常参加体育锻炼的人在运动会上动作灵巧、快速、协调，主要原因是（ ）

下列各项中，不利于青春期发育的生活习惯是

阅读下面短文，根据短文内容，从A,B,C三个选项中选出可以填入空白处的正确答案。

A

    A famous symbol in American culture is a cartoon animal—Mickey Mouse. Mickey first 1 in a cartoon in New York in 1928. Walt Disney was the father of Mickey. He made lots of cartoons with Mickey. Many people around the world love the mouse with two 2 ears. He was so popular because he was like a common man, but he always tried to face any danger and solve the problems all by himself. In Disney's early films, Mickey was 3,he lost his house and girlfriend, Minnie. 4,he never gave up his efforts and always won at last. Most people want to be like him. Now Mickey Mouse is still one of the most popular 5 characters in the world.

CACBA

第一届中国人民政治协商会议选举产生的中央人民政府主席是（    ）