香烟中的尼古丁等有毒物质对吸烟者的呼吸、神经等系统都会造成极大的危害，而且还会对周围的人造成危害，可谓“害己又害人”．因此，我国采取了多种措施禁烟，自2011年5月1日起在公共场所全面禁烟，2015年又提高了烟草的税率，以期达到控烟的目的．尼古丁主要存在于烟草细胞的哪一结构中（    ）

    When someone has deeply hurt you, it can be very difficult to let go of your anger. ____ forgiveness is possible-and it can be surprisingly beneficial to your physical and mental health. So far, research has shown that people who forgive can have more energy and ____(good) sleep.

    So when someone has hurt you, cool down first. Take a couple of ____(breath) and think of something that ____(give) you pleasure: a beautiful scene in nature, or someone you love. Don't wait for ____ apology. “Many times the person who hurts you may never think of ____(apologize),” says Dr. Frederic Luskin, ____ wrote the book Forgive for Good. “They may have wanted to hurt you or they just don't see things the same way. So if you wait for people ____(say) sorry, you could be waiting a very long time.” Next keep in mind that forgiveness does not ____(necessary) mean accepting the action of the person who upsets you. Instead, learn to look for the love,____(beautiful) and kindness around you. Finally, try to see things from the other person's position. You may realize that he or she was acting out of carelessness.