阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
My dear grandson, your mother tells me that
you (start) smoking some time
ago and now you are finding it difficult (give) it up. By the way, did you know that this
is you become addicted in
three different ways?
Firstly, you can become physically addicted to
nicotine, is one of the hundreds of
harmful chemicals in (cigarette). This means
that (accustom) to having
nicotine in it, you feel good. But when the drug leaves your body, you get
withdrawal symptoms. I remember (feel) bad-tempered and
sometimes even more pain.
Secondly, you become addicted habit. As you know, if you do the same thing
over and over again, you begin to do it automatically. Lastly, you can become (mental) addicted. I believed I was (happy) and more relaxed after having a
cigarette, so I began to think that I could only feel good when I smoked. I was
addicted in all three ways, so it was very difficult to quit. But I did finally
manage.
答案:【1】started【2】to give【3】because【4】which【5】cigarettes【6】accustomed【7】feeling【8】through【9】mentally【10】happier