题干

太阳能热水器具有安全、节能、经济和环保等优点.为有效利用太阳能,某研究性学习小组对“物体吸收太阳能的能力与表面颜色之间的关系”进行了实验研究:在两只相同的烧杯中装有质量和初温相同的水,烧杯外用一个黑色塑料袋和一个白色塑料袋密封,插入温度计(温度计的玻璃泡浸没在水中,大部分刻度露出可见),放在阳光下曝晒.每隔相同的时间读出温度计的示数,数据记录如下:

塑料袋
颜色
水的质量(m/Kg)初 温
(t/℃)
温 度
(t1/℃)
温 度
(t2/℃)
温 度
(t3/℃)
……
黑 色1.015.022.327.831.5……
白 色1.015.016.517.819.0……

根据上述数据回答下列问题:

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    It began years ago, after Mom had been diagnosed with Alzheimer's. As her symptom 1, I often had a hard time figuring out what was real and what wasn't in her2. One day I was helping her find some pants that fitted, and she was 3 them on and looking in the mirror. Suddenly she turned and said,4 to her reflection in the mirror, “Well, I like her. She is always really nice to me.”

    It caught me so off guard. There we were doing 5 things, and suddenly she was talking about her reflection as if it were another person. How should I 6? I looked closely, as if there was going to be someone else in that mirror, saying, “Great. I am so glad she's 7to you.”

    Though still in 8 I knew there was no point bringing someone with Alzheimer's back to 9It wasn't, until later that I could 10 that the lady in the mirror was real to Mom.

    Another time I walked in, finding Mom 11 I was going to leave when Mom woke up. “Hi Mom, it's me, Molly, your daughter.” Since Mom may or may not 12 me when we meet, I always identify myself to her.

    That day she remembered me. She 13 my arm slightly and said, “Hi, honey. Come here, I want you to meet someone 14 she leaves.” And so I was reintroduced to the lady in the mirror. I 15 her as if someone were really there, and that was 16for Mom.

    I am glad she loves her17 because she sees herself as a kind being. This is yet another18 my mother has taught me: We should love ourselves and others with the kind of 19 my mom has for her lady in the mirror, even though she doesn't know she is seeing herself, my beautiful, loving, and 20 Mom.