Although we still don't know whether using mobile phones can cause cancer, we should try to use our phones {#blank#}1{#/blank#}.Here are some tips:

    *Use a headset（耳机） or speaker.

    Headsets give out much less radiation than phones.Some wireless headsets give out low-level radiation. However, you should {#blank#}2{#/blank#} your headset when you're not talking to anyone.Using a phone with a speaker will also make it safer.

    *Listen more, talk less. Your phone gives out radiation when you talk or text, but not when you're listening or getting messages.

    *Hold the phone away from your body when you are talking, not {#blank#}3{#/blank#} your ear. Also, don't keep it in your pocket.

    *Choosing texting over talking. Phones give out less radiation when sending texts than when making calls.Texting also keeps radiation away from your head.

    * Poor signal? Stay off the phone. Fewer signal bars（信号数） on your phone {#blank#}4{#/blank#} that the phone needs to give out more radiation to work. Make and take calls [when your phone has a strong signal.

    China has a long tradition of tea-drinking. However, coffee has become a more p{#blank#}1{#/blank#} choice of Chinese people living abroad and in the big cities of China.

Su Beibei from China has been living in the United States for eight years. "I used to be a tea drinker before I came h{#blank#}2{#/blank#}," she said,"Many people around me are coffee drinkers. So, I like coffee more than tea now."

    Yang Lin is in Shanghai. She says she drinks both for different r{#blank#}3{#/blank#}. She and her workmates like staying in a cafe (咖啡馆)and drinking coffee. So, it is a social event f{#blank#}4{#/blank#} her. She says tea is more about family memories. The smell of tea r{#blank#}5{#/blank#} her of her warm family.

    It's different between western countries and eastern countries about how to keep healthy. Traditional Chinese doctors believe we need a{#blank#}1{#/blank#}of cool yin and hot yang to be healthy. In China, herbs(草药) are the main medicine but in western countries they use pills.

    In China, {#blank#}2{#/blank#}you are quiet and always tired, Chinese doctors might think you have too much yin. You should eat more hot yang food. It can give you some{#blank#}3{#/blank#}.But in western countries, doctors will check your body. They might give you some  pills to cure(治愈) your disease. People who are easily nervous and{#blank#}4{#/blank#}might have too much yang in their bodies. Chinese doctors believe they should eat more yin food.