银川一中昆明一中联合二模答案

银川一中昆明一中联合二模答案，目前答案易对网已经整理了银川一中昆明一中联合二模答案的各科答案和试卷，更多联考试卷请关注本网站。

20.(6分)示例:①怎样才能感到快乐呢②自己创造新的快乐③大脑分泌多巴胺

本文是一篇说明文。戒烟有助于改善肺部功能以抵御新冠病毒的侵袭。28.A细节理解题。根据第二段中“ These hair-like projections wave back and forth like a brush as airmoves in and out of your lungs. They help your body fight off colds and infection. They also help clearmucus(#hit), so if they're not functioning as well as they should, mucus can build up in theungs."可知,肺部纤毛的作用是清洁肺部29.B细节理解题。根据第二段中“ The elderly are at a greater risk for too much lung fluid that oftenlimits breathing following coronavirus infection because they dont have a strong enough cough to clear叩”可知,老年人肺部积水更多导致他们感染病毒的风险更大。C细节理解题。根据最后一段中“ After you quit smokin, your blood becomes thinner and lesspossible to setting. Heart attacks are less likely. One reason this happens is because smoking makes itarder for the heart to distribute blood throughout the body."可知,戒烟会使血液流动更加顺畅。31.A主旨大意题。本文论述戒烟有助于改善肺部功能以抵御新冠病毒的侵袭。