根据课文内容,完成下面的短文。 James' grandfather wrote to help James 1 (戒烟) smok ing. James' grandfather once became 2 ( addicted) to cigarettes in three ways. His body was 3 (习惯) to having nicotine. He began to do it automatically and became 4 ( mental)addicted. But he finally managed to stop 5 realizing the harmful 6 (影响) of it. He also told James that smoking did damage to heart and 7 (肺部)and it was more difficult for smoking couples to become 8 (怀孕). So he gave James some advice and encour aged him not to be 9 (disappoint). 10 he kept trying, he would succeed eventually.