阅读下面短文, 从短文盾所给的A、B、C三个选项中能填入相应空白处的最佳选项, 并在答题卡上将相应的字母编号涂黑。

    Almost everyone has a mobile phone, but have you ever thought that cell phones might be 1 for your health? A study shows that heavy mobile phone use may cause hearing loss and people can't hear clearly.

    This study shows that people who use cell phones for about an hour a day have a 2 time hearing some similar sounds, especially in their right ears. It is getting harder for 3 to tell the differences between the sounds of “s” and “f”, and “t” and “z”.

    Researchers studied 100 people who used cell phones and 4 them with 50 people who did not. The study lasted for l2 months. What the researchers found was that cell phone users had more hearing 5 than those who did not use cell phones.

    Our ears have many little 6 inside them. Too much noise will cause these hairs to get weak and 7 die. When these hairs die, it affects our ability to listen.

     However, cell phone users don't care too much 8 this study. One man said, “I'd be more worried about people who 9 MP3 players. They put those earphones in their ears and enjoy very 10 music. I think that is more likely to cause hearing loss than a cell phone.”  

 请将下列健康状况的项目进行分类，将号码填在每一项的后面。①我至少有一两个好朋友。②当我受到挫折时，我会向我的朋友征求意见或寻求帮助。③我早上起来感到身体很舒服。④我的身体很灵活。⑤我能够自信地与我不太熟悉的人交谈。⑥我对我的外貌感到很满意。⑦我的食欲很好。⑧我能原谅别人的缺点和错误。⑨当朋友让我做我不想做的事情时，我会拒绝。⑩在压力很大时，我会通过运动来放松自己。 

评价身体健康的是____。评价心理健康的是____。评价社会适应状态的是____。 

性别决定是在下列哪个生物学过程中实现的（ ）

底面积为100cm²的烧杯中装有适量水。当金属块浸没在水中静止时，如图甲所示，弹簧测力计的示数F₁＝3.4N，水对杯底的压强为p₁；当金属块总体积的1/4露出水面静止时，如图乙所示，弹簧测力计的示数为F₂，水对杯底的压强为p₂；若p₁、p₂之差为50Pa，g取10N/kg，则（  )

    Xie Lei ____ a plane for London six months ago to complete a business ____ .She is now halfway through the       3    year. At the beginning, she had to learn almost everything again. She lives with a      4    family, which gives her the         5     to learn more about everyday life and      6     in her new country.

    She wrote her first      7    to her        8     ， but she only got an E. Now she has    9    the life and she feels much more at home and is going to join a few university clubs in order to have a balance between study and a social life. We wish Xie Lei all the best with her    10   Keep it up! Xie Lei.