（2015·四川）

某商场举行有奖促销活动，顾客购买一定金额的商品后即可抽奖，抽奖方法是：从装有2个红球 A₁A₂和1个白球B 的甲箱与装有2个红球 和2个白球 的乙箱中，各随机摸出1个球，若摸出的2个球都是红球则中奖，否则不中奖。

（I）用球的标号列出所有可能的摸出结果；

（II）有人认为：两个箱子中的红球比白球多，所以中奖的概率大于不中奖的概率，你认为正确吗？请说明理由。

①将图中的集气瓶分为5等份，并做好标记．

②在燃烧匙内装入足量的红磷，将导管上的止水夹夹紧，在酒精灯上点燃红磷，并立即伸入集气瓶内，塞紧橡皮塞．

③充分反应后，待集气瓶冷却至室温，打开止水夹．

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近代中国人慨叹：“泰西公法，于平等之国设领事官，不过保护其民之商务，如有词讼及科罪，仍由各国之地方官照例科断。惟于中国、土耳其、……不以平等之例相待。”这种现象

                                                                                Just a Quick Nap 只要打个盹儿
      Do you feel a little sleepy after lunch? Well, that's normal. Your body naturally slows down then. What should you do about it? Don't reach for a coffee! Instead, take a nap.
       It's good to have a daily nap. First of all , you are more efficient（有效的） after napping . You remember things better and make fewer mistakes. Also, you can learn things more easily after taking a nap. A nap may increase your self-confidence（自信） and make you more active . It may even cheer you up. But, there are some simple rules you should follow about taking a nap. First, take a nap in the middle of day, about eight hours after you wake up. Next, a 20-minute nap is best. If you sleep longer, you may fall into a deep sleep. After waking from a deep sleep, you will feel worse. Also, you should set an alarm clock. That way, you can fully relax during your nap. You won't have to keep looking at the clock so you don't oversleep.
       Now，the next time you feel sleepy after lunch , don't get stressed . Put your head down, close your eyes, and catch forty winks.