1. 阅读理解

    Many people use the mobile phones as the alarm clocks and are used to checking e-mails before sleeping.

    Many years ago, my boss stayed up playing on her mobile phone and got badly ill because of that. Now she always leaves her phone in another room at night. And she encouraged her friends to do so. "I sent each of my friends the same Christmas gift-an alarm clock. So they could stop using the phones as the alarm clocks, "she said.

    If your mobile phone wakes you up in the morning, it may also keep you up at night. A study shows that people in mobile phone radiation(辐射)mostly have sleeping problems. And according to a Swedish study, a quarter of young people in this country feel like having their phones around them. Most of them feel sorry for not replying to messages. So they even have to reply to their friends before sleeping.

    A recent study has shown that three quarters of people aged between 18 and 34 prefer to sleep with their phones near them. That number falls off a little in the middle age, but only people aged 65 and older like leaving the phones in another room while sleeping.

1. （1） The underlined word "that" here refers to ________.

   A . using the mobile phone as an alarm clock B . leaving the mobile phone in the bedroom C . staying up playing on the mobile phone D . sending or receiving e-mails at night
3. （2） According to a Swedish study, ________ of young people in this country put phones around them while sleeping.

   A . 25% B . 50% C . 75% D . 100%
5. （3） From the last paragraph, we know 75% of the people ________ prefer to sleep with their phones nearby.

   A . aged between 12 and 18 B . aged between 18 and 34 C . in the middle age D . aged 65 and older
7. （4） We can probably read the passage in a（n）________.

   A . magazine on health B . storybook C . novel D . ad