Li Qinmei lives in Zhucheng, Shandong Province. She lost her 1 at three. Four years later, her father couldn't 2 after an accident. After the death of her grandmother, 12-year-old Li Qinmei had to support her broken family.

    Qinmei learnt to 3 and live a life with 24 yuan per month from the government. The most 4 things she had to deal with were to 5 her father wash, dress and use the toilet as he could hardly move.

    During most of her junior school years, she went to classes 6 once a month as her father was seriously ill at that time. “I taught 7 at home and asked teachers for help on my school days,” she said.

    Though she had a hard life, the difficulties taught her to be 8. “My classmates have both Mum and Dad to 9 them. How happy they are! However, I don't feel 10 as I still have my dear dad and many kind people with me. I believe I will go to college,” she said.

有一包固体粉末，可能是CaCO₃、Na₂SO₄、CuSO₄、Na₂CO₃中的一种或多种，某实验小组对其组成成分进行了以下探究活动．

通过查阅资料得到：Na₂CO₃溶液与CuSO₄溶液混合能产生蓝色沉淀．

根据解释填写四字词语。

①脸上放出光彩，形容精神饱满或身体健康。____

②没有能比得上（多指褒义）。____

③深入细致地考虑。____

④比喻名誉、威风等完全消失。____

—                ?

— Yes, I am.