阅读下面文字，按要求作文。

       一位著名的运动员曾经说过，人都可能遭遇挫折，面临低谷，那就让人生最昏沉的时刻，变作永存的精神遗产。

      请以“修炼‘挫商’”为题，写一篇不少于600字的文章。

      要求： 文体不限（诗歌除外） 文中不得出现真实的人名、校名

    Last Christmas while staying with my parents, I 1 across some old love letters that my parents wrote to each other. These letters were all piled up in a basket, dirty and 2 with dust.3 to read and sort them, I asked them if I could take the letters back to my Illinois home. They agreed.

    As I carefully opened each letter, all of them delicate with age, I discovered a new page 4unknown to me in this private chapter of my parents' lives.

    My father used to 5 in the army. So his letters were full of frontline  6 of the things about the war. Each of my mother's letters was marked 7 her 1944 dark red lipstick kiss. I was 8 to these letters like a magnet (磁铁).

    Just six weeks after our Christmas visit, Daddy became very 9and was hospitalized. This time, he was fighting a 10 kind of war. As I sat by his bedside, we discussed the 11 . He told me how much receiving those lipstick-kissed letters had 12to him when he had been so far from home.

    It so happened that the next day would be February 14. From the 13letters I chose the card my father had sent Mother in 1944 and brought it to my father's bedside.

    At his bedside, I joked with him, saying 14, “Today is Valentine's Day, don't you want to send Mother a present?” He became more 15when I handed him the old 16. He carefully opened it and took out the card, and when he 17 it, his eyes were filled with tears.

    My father, in a voice tight with18read the loving19he'd sent to my mother fifty-six years earlier. And this time, he could read it to her 20.

仔细观察下列图片，根据要求回答问题。

（1）下面是四幅图片的信息，请将信息中错误的地方指出并改正过来。
图①：图中的文字是我国商朝人刻写在龟甲上的，被后人成为“金文”。
改正：把               改为              
图②：图中的兵马俑展现了两千多年前楚国的军队横扫六国的磅礴气势。
改正：把                 改为              
图③：图中的地动仪是东汉时期科学家张仲景发明的测量地震方位的仪器。
改正：把                改为                   
（2）图④为昭君出塞图，王昭君作为西汉政府与匈奴和亲的代表之一，远嫁给匈奴首领呼韩邪单于为妻，请问她的和亲有什么历史作用。

“卡诺莎之辱”本质上体现了(　　)

 如图所示，通过安置在插座上的电流转换器，将电能转换为超声波，电动小车上的接收器收到超声波讯号，可将其能量转换为电能为电池充电．已知：接收器接收到的超声波功率与它和转换器间距离L的平方成反比，它将超声波能量转化为电能并储存在电池中的效率为50%．当小车与转换器间距离L₀=1m时，接收器接收到的超声波功率P₀=8W．当小车在平直路面上以0.2m/s的速度匀速行驶时，所消耗的电池电能的80%用于维持小车匀速行驶，小车受到的阻力为16N．