从东西半球看，亚洲大部分在____半球，从南北半球看，亚洲大部分在____半球。

（1）人类的生活离不开金属材料．生活中某些食品包装内放一小包铁粉，作用是什么？

（2）某同学在探究铝与稀盐酸的反应时，发现打磨过的铝片反应比未打磨过的铝片反应剧烈，请解释原因可能是什么？

（3）将一定量的锌粉加入到氯化亚铁和氯化铜的混合溶液中，充分反应后过滤，向滤渣中加入稀盐酸，无气泡产生．请分析滤液中所含溶质情况？

    Recently I failed an exam. However, after I came out of my teacher's office, I told myself, “Smile! It's not so serious.”

    I smiled a big smile and it worked a little, really.

    Everyone gets frustrated sometimes. I used to be always influenced by ____ (press) and I ____ (be) often in low spirits. But one day I came ____ a sentence in the Bible. “Do not be anxious about tomorrow, for tomorrow will be anxious for itself, let the day's own trouble be sufficient for the day.” It suddenly struck me, “____ (worry) about a problem doesn't help. Why not just give a big smile and face up the trouble?”

    Now every time I want to cry, I remind myself that laughter is better than ____ (tear) and anger. I____ (convince) that there's something magical about a smile. A smile helps me recover confidence and gives me the courage to move on.

    Remember, whenever ____ (face) with a setback, whenever you've been treated ____ (unfair),____ it takes is determination and you can feel happy again. Smile at life,____ it will shine on you.

今年是红军长征胜利75周年。假设你是一个导游，你带团重走红军长征路，下列哪个地点不是你所选择的 （  ）

① make  ____② brush____③ pass____