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我知道作为高中生我得更加努力地学习，学会承担更多的责任。

Five years back, Sally was the new kid in class. I don't know what it was, but something unique about her3 me to her. She was the most friendly person I knew. We started as classmates, but after a few months, we were like best friends. So, I never expected her to hurt me in such a big4.

I don't know what made me tell Sally about my personal life. She made the matter even5 than it was, adding things that were not true and telling everyone at school. It was like someone had stabbed me in the back. After she brought my6 to the light, everyone at school started laughing at me, looking at me and7 whenever I passed by. After this terrible situation, I changed schools. Sally called me many times, but I didn't answer. My heart was8.

I tried hard to recover from the9 she left on my heart. I started a new life. After five years, my life went back to the way it was, with new friends. But one day, I met Anna10 at the market. She was my classmate from 3rd grade. She told me that Sally wasn't the one who11 my secrets. Mary was. Mary was our school's big mouth who always wanted to12 her nose into other people's business.

I was13. I wished I could have asked Sally about this. I wished I could go back in time and14 my mistakes. From that, I learned a life lesson that we should trust those we love because one little mistake could really15 our lives.

The nine-minute snooze period is not unique to the iPhone. In the mid-20th century, when mechanical (机械的) alarm clocks were the main type on the market, a leading producer introduced a snooze alarm. However, the standard gears of mechanical clocks made it difficult to set a double-digit snooze period. Engineers eventually settled on nine minutes, the largest possible single-digit (个位数的), to avoid the need to redesign the clock's mechanism. Apple might have taken the nine-minute snooze to honor this early invention.

From a physiological point of view, a nine-minute period is practical. Our bodies start to fall into the second stage of a sleep cycle about 10 minutes after falling asleep. Therefore, a snooze period of nine minutes allows for less sudden awakening as it helps avoid a deeper stage of sleep. This timing can also reduce sleepiness and make it slightly easier to wake up when the alarm rings again.

The debate over whether snoozing is helpful or harmful continues among sleep experts. Some research suggests that snoozing provides enough time for the body and brain to shift gradually from sleep to wakefulness. On the other hand, other studies argue that while hitting the snooze button might give you a brief feeling of extra rest, it fragments your sleep and makes you more tired than if you wake up with the first alarm. Continuous, undisturbed sleep is generally better for mental abilities and overall health. Finally, understanding your own sleep patterns can help you make the decision between whether to keep hitting the snooze button or embrace the cruel reality of the first alarm.

假定你是李华，你的英国朋友Tom刚上高中，不适应高中的学习，感到有压力。请你用英文给他写一封邮件，内容包括：

1.写信目的；

2.具体建议；

3.你的期待。

注意：写作词数应为80左右。

Dear Tom,

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua