题目

李某结识了一个网名叫“诱惑”的女网友，两人相约在郊区见面。“诱惑”见到李某后谎称有点小事要办，随即离开。这时，一持刀大汉出现在李某面前并抢走他身上所有的财物。这一事例给我们的启示是 （    ）①害人之心不可有，防人之心不可无②与陌生人见面，最好带上防身的刀具或电棍之类的东西③与陌生人见面，最好带上几位能打架的朋友④青少年要树立自我保护意识，掌握自我保护的本领A．②③B．①③④C．①④D．①②③④IMPROVE ON SLFEP Good health needs good sleep．Going to bed before you’re tired．Not eating or reading in bed．You must go to bed at the same time before mid-night and get up at the same time．Your body likes routine（常规） for a good night’s sleep． STAY FREE OF FLU Studies show that a cold or H1N1 Flu virus（感冒病毒）can live on our hands for long．So wash all parts of your hands often with soap and water．For more ways to prevent the spread of flu，please call Health Line at 800-848-1313． ORAL HEALTH Brush your teeth twice daily and visit the dentist at least once a year．The mouth is a mirror of disease．The oral examination is not only for the health of teeth，but the whole body．For more of it，please visit www．mydr．com．au． FIT FOR LIFE Studies have shown that many diseases have something to do with less or no physical activity．In order to keep healthy，you should try to take physical activity for 30 minutes a day，5 days or more a week． For more information，please call Health Line at 800-438-2000． 1．What telephone number can we call when we want to learn more about the flu? 2．According to the passage，which suggestion is the most necessary for us to keep healthy? 3．How often should we go to see a dentist?