完形填空
During the war, my husband was stationed at an army camp in a desert in California. I went to live there in order to be1 him. I hated the place .I had never 2been so unhappy . My husband was ordered out on a long-term duty, and I was left in a tiny shack(棚屋) alone. The heat was3-almost 125 0F even in the shade of a cactus(仙人掌).4a soul to talk to . The wind blew non-stop ,and all the food I ate ,and the every air I breathed, were 5 with sand , sand , sand !
I was so sorry for myself that I wrote to my parents. I told them I was 6 and coming back home. I said I couldn't stand it one minute longer. I7 be in prison! My father answered my8with just two lines-two lines that will always sing in my9- two lines that completely changed my life :
Two men looked out from prison bars
One saw the mud ,the other saw the stars
I read those two lines10I was ashamed of myself. I made up my mind I would find out what was good in my present11 I would look for the stars.
I made friends with the natives, and their12amazed me. They gave me presents of their favorite artworks which they had13to sell to tourists . I studied the delightful forms of the cactus . I watched for the desert sunsets, and14for seashells that had been left there millions of years ago when the desert had been an ocean15
What brought about this16 change in me ? The desert hadn't changed ,17 I had . I had changed my18.And by doing so ,I changed an unhappy experience into the most amazing19of my life . I was excited by this new world that I had discovered I had looked out of my self-created prison and20the stars
，则下列不等式正确的是（ ）
，
，有下列4个命题：
，则
的图象自身关于直线
对称；
与
的图象关于直线
，则
，则