(一)【文章大意】 本文为新闻。专家们呼吁要保护小孩，防止他们受二手烟的危害。
1．B 主旨大意题。本文为新闻，根据新闻导语“Health experts in Shanghai are calling for more protection for young children as the latest research shows about half of the youngsters are suffering from secondhand smoke.”可判断选B。
2．C 细节理解题。根据倒数第二段“If parents often smoke at home, it is very likely children will develop a smoking habit, which can cause a vicious circle”可判断选C。
3．B 细节理解题。采用排除法，根据“Research has shown that children who are exposed to secondhand smoke will suffer from more colds, coughs and sore throats, and they are more likely to suffer from bronchitis, pneumonia and will have a higher risk of developing cancer.”可判断选B。
