题目

关于细胞的分化、衰老、凋亡与癌变，下面选项中表述正确的是     A. 细胞的高度分化改变了物种的遗传信息     B. 细胞的衰老和凋亡是生物体异常的生命活动     C. 原癌基因或抑癌基因多次突变累积可导致癌症，故癌症和环境条件无关     D. 良好心态有利于神经、内分泌系统发挥正常的调节功能，从而延缓衰老This is not a diet. It's a simple way to lose weight. And you don't even have to give up the food you love or join a gym (参加体育锻炼). You just follow some habits that thin people have. Keep them, and you'll become thin.(1) Wake - upWhen you wake up in the morning, sit up slowly without using your hands. With legs straight out, bend（弯曲） forward until you feel sore（酸痛） in your back. It will burn about 10 calories.(2) Start with soupWhen you have a meal, order a clear soup, and have it before having the main food. In this way, you'll feel fuller, so you'll eat less when the main food comes.(3) An apple (or more) a dayApples are full of fiber（纤维） and water, so your stomach will want less. The study shows that people who eat at least three apples a day lose weight.(4) Stand up and walk aroundEvery time you use the mobile phone, stand up and walk around. Heavy people sit on average (平均) two and a half hours more each day than thin people. This skill is very important as standing up and walking around will burn 50 0r more calories.Use these skills, and you will have a big weight loss.【小题1】Why does eating apples make one's stomach want less food?A．Because apples are delicious.B．Because apples are full of fiber and water.C．Because apples are sour.D．Because only apples are filled with calories.【小题2】Which of the following may the author DISAGREE?A．Sitting up slowly without using your hands helps burn calories.B．Eating apples every day is good for people's health.C．You have to join a gym if you want to lose weight.D．It's good to walk around while talking on the mobile phone.【小题3】What's the purpose of the passage?A．To give some advice on how to lose weight. B．To advise people to eat apples every day.C．To tell people how to enjoy a better life.D．To advise people to give up bad habits.【小题4】In which part of a newspaper would you most probably read the passage?A．Shopping.B．Teaching.C．Family.D．Health.