问题
单项选择题
烧结矿的品位是指烧结矿中()的百分含量。
A、铁
B、四氧化三铁
C、氧化亚铁
D、三氧化二铁
答案
参考答案:A
烧结矿的品位是指烧结矿中()的百分含量。
A、铁
B、四氧化三铁
C、氧化亚铁
D、三氧化二铁
参考答案:A
I sat down to read under an old tree in the park. I felt my life was 36 , because my whole world was dark. A young 37 ran up to me, out of breath(气喘吁吁). He stood right before me with his head down and said 38 , “Look what I found!” In his hand was a flower, and what a poor sight! The flower was dry and 39 . I gave him a small smile and then turned my eyes away so that he could take his dry flower and go off to play. 40 , he sat next to my side and placed the flower to his 41 and said in surprise, “It smells sweet and it’s beautiful, too. That’s 42 I picked it. Here, it’s for you.” The flower before me was dead. But I knew I must 43 it, or he might never leave. So I accepted(接受) the flower, and replied, “This is just what I 44 .” Just then, for the first time I noticed that the boy could not 45 -he was blind. Tears came down my face as I 46 him for picking the best one. “You’re welcome.” he smiled, and then ran off to 47 . I sat there and wondered how he was able to learn about my pain. Through the eyes of a blind child, 48 I could see the problem was not with the world; the problem was me. And for all those years I myself had been 49 . I decided to see the beauty in life, and 50 every second of my life. And then I held that dry flower up to my nose and breathed in the smell of a beautiful rose.
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