Our hometown ____(位于) between the mountain and the lake.

下图为安徽蚌埠市境内的钓鱼台遗址发掘现场，遗址中出土了大量西周时期的陶制圈足豆、鬲、爵以及砺石、石锛等生活器具，还出土了青铜镞、石镞和陶制纺轮、网坠等，其中两枚西周时期的玉璧，给考古专家带来意外和惊喜。（据蚌埠新闻网2014年10月23日讯）蚌埠钓鱼台考古发掘印证了（   ）

用与竖直方向成θ角（θ＜45°）的倾斜轻绳a和水平轻绳b共同固定一个小球，这时绳b的拉力为F₁．现保持小球在原位置不动，使绳b在原竖直平面内逆时转过θ角后固定，绳b的拉力变为F₂；再转过θ角固定，绳b的拉力为F₃，则（   ）

根据短文及首字母填空。

    Walt Disney was b____ in Chicago in 1901. He enjoyed d____. He was very poor. He drew pictures in his father's garage(车库). One day a mouse came into the garage and p____ on the floor. Disney g____ him some bread. Then the mouse came up and sat on his desk. In this way, the mouse and the poor artist(艺术家) b____ good friends. Later Disney went to Hollywood. He worked very hard b____ few(很少) people knew him.

    One day he r____ the mouse. “I will draw that mouse,” he said to himself. “I hope every child in this country will like my mouse.”

He drew many pictures of the mouse. At last he was pleased with one of his p____. He called the mouse Mickey Mouse. Soon Mickey Mouse was known all over the world(全世界). And the n____ of Walt Disney was known to many people in the world, too. Now Disneyland is the world's greatest park for c____.

下表是探究绿豆种子萌发所需外界条件的实验设计，如果还要探究绿豆种子萌发是否需要光，还需设置5号瓶，对5号瓶的处理是（　　）