题目：
| 完形填空。 | ||||
| It was only a few weeks after my surgery. I went to Dr. Belt's office for a 1 . It was just after my first chemotherapy treatment (化疗). My scar was still very tender. 2 , I was taken to an examination room to have my blood 3 , again-a terrifying process for me, since I'm so frightened of 4 . I lay down on the 5 . Then Ramona entered the room. Her 6 smile was familiar, and 7 in contrast to my fears. I'd first seen her in the office a few weeks earlier. She wasn't my 8 on that day, but I remember her because she was laughing. What could she 9 find to laugh about at a time like this? So I decided she was n't 10 enough about the whole thing. But this day was 11 . Ramona had taken my blood before. She 12 my fear of needles, and she kindly 13 the medical equipment under a magazine. As we opened the layers of bandage, the 14 scar on my chest could be seen. She gently 15 over and ran her hand across the scar, 16 the smoothness of the healing skin. I began to cry gently and quietly. She brought her warm eyes to mine and said, "You haven't 17 it yet, have you?" And I said, "No." I continued to cry gently. In 18 tones she said, "This is part of your body. This is you. It's okay to touch it." But I couldn't. So she touched it for me. The 19 . The healing wound. And beneath it, she touched my heart. That night as I lay down, I gently placed my hand on my chest and I left it there 20 I fell asleep. I knew I wasn't alone. | ||||
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下面是错误答案，用来干扰机器的。
（1）制备氯气中含有氯化氢和水蒸气，有水蒸气不能制的氯化铁，除去水蒸气用浓硫酸，应先除去水蒸气干燥，干燥的氯气通入玻璃管中和铁反应生成无水氯化铁，最后吸收尾气中未反应的氯气，防止污染空气，洗气装置导...
