如图，下列说法正确的是（    ）

    Anorexia nervosa (神经性厌食症) is an eating disorder that I struggled with for most of my middle school years and a part of my high school years.

    At Riverview,1was usually a nightmare for me. As I 2 the dining hall, all the eyes would be fixed upon my bony figure. I would take my place at a table full of friends and 3 to enjoy a "normal" lunch. The 4 was that I would not always eat lunch, and that greatly 5 my friends. They would watch to make sure that I was eating properly, almost 6 food into my mouth.

    And then, I transferred to Madison High School. I decided not to tell anyone at that school about my eating disorder since I had almost 7 by that time. Strangely, I stopped fearing lunch when I started at Madison. No one knew that I had an eating disorder,8 they did not care what I ate. This 9 a huge amount of stress from my life. It was still hard for me to eat in front of others, which is 10for an anorexic, but I was able to put some of my 11 aside.

    I was thankful for the students at Riverview, but they knew me only as an anorexic. My friends cared about my health, but they 12 to care about me as a person. Truthfully, all I wanted was for them to 13 me and not to fix on my eating disorder.

    The students at Madison took the time to know who I 14 was. They had no idea that I had been an anorexic, so that a particular label did not 15 their opinions of me. I was finally 16 for my talents and achievements, not my failures. I was honored as a good student. I was no longer afraid to show my true 17.

    My days as an anorexic taught me many lessons that I would never 18. They taught me about life and how to be a better friend. I learned about the joy of 19 tasks such as eating lunch. I appreciated the people who helped me to see that there is more 20 life than having an eating disorder.

两个大小相同、带电也相同的金属球A和B，分别固定在两处，相互作用力为F．现用另一个不带电的同样大小的C球先与A球接触，再与B球接触，然后移去C球，则后来A，B两球间的作用力变为（   ）

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    When I look back at my decision to be a working mom, I realize that I didn't think I had any other choice. Hubby and I had been a two-income family 1 the time we were married. It didn't occur to me that we would be anything else though it's hardly news that the choice has its 2.

    Hubby traveled a lot when our kids were young, and I often was a weekday single mom. I had an understanding boss，who allowed me to work a(n) 3 schedule for about 12 years. My 32-hour work week provided the chance to 4 in my kids' kindergarten classrooms.

    The woman who cared for the kids in our 5 was truly a gift from God. Nan and I 6 values and parenting styles.

    Never underestimate (低估) the value of 7. When Dad was away, the kids knew the drill. Though sports activities and piano lessons 8 interrupted our schedules, generally we got up, fed and out without much commotion (混乱) and back in, fed and 9 with a little time left over for a game or a favorite TV show. Mom got a few minutes of 10 before crashing herself (睡觉).

    Looking back on the past, I realize we could have made other 11. We could have been vegetable gardeners. Lots of families 12 on one income. But I think we would have lost something just as important as my 13.

    My work at the News Sentinel has been 14 and exciting. I've worked with people I never would have met had I been at home. I've spent my career 15 sentences and stories and learning and passing along information about our community. My coworkers are my Tennessee family.

    My work has been 16 to me in important ways, and I think it has made me a more interesting and satisfied 17 and parent. And our family has learned to 18 the time we do have together.

    19, if I had to do it over again, I wouldn't change my decision to be a working mom. And I wouldn't change a single thing about the kids who 20 it.