把分别充满红棕色的NO₂气体和无色的H₂的集气瓶按照如图A、B两种方式放置，然后把两瓶中间的玻璃片抽走，使两瓶口密合在一起（不要振荡），可观察到A中两瓶气体的颜色很快趋于一致（两气体不反应），而B中需要很长时间才能达到同样的效果．

由此可以得出的结论有：

（1）____；（2）____ ．

形近字组词

呛____      恬____

伦____      甜____

    Hello! My name is Jack. I'm 1Changsha. I'm in No.1 Middle School. It's 2good school. My school ID card 3 is 2016701. John is 4English friend. His 5name is Brown. John is in Changsha No.5 Middle School. We(我们) can 6in the evening. Sally and Jane are John's 7sisters(妹). Sally is 10. Her favorite (最喜欢的) 8is blue. Her cup and jacket are 9. Jane is 2. She can say "10are you?" to me now.