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物质王国举行击鼓传花的游戏.某学习小组由铁、氢气、氧化铜、二氧化碳、稀硫酸、氢氧化钠、氯化铜七名成员组成.游戏的规则是:相互之间能发生反应就可以进行传递.请把上述成员安排在A﹣G的相应位置上,使花束能从A传到G.其中A为组长,其固体俗称为干冰.F为副组长,其为黑色固体,请回答:

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阅读下面短文,掌握大意,然后从16~35各题所给的A、B、C、D四个选项中,选出最佳选项。
    “Are you going shopping today?” my husband, Roy, asked when I answered the telephone. “I 1 to,” I said. Thanksgiving was only a couple days away. My money was2and I knew I had to be creative in my shopping that day.
    For a few seconds, Roy sat 3on the other end of the line. The nervousness gradually increased under the wordlessness, which I couldn't wait to break through. “Why do you ask?” I whispered, 4what he might say.
    “Nancy, there's a family with six kids that will not have anything to5for Thanksgiving. The little one is only five years old. While you're at the store could you 6 buy something for them?” My head began to spin when I was thinking about the fifty dollars I had 7 for our family's Thanksgiving dinner.
    In the back of my mind I 8 the hungry guests who would be coming to our house for dinner. I put my head down on my desk, already feeling 9. There's no way possible, I thought. But the compassion (怜悯) I heard in my husband's 10struck a nerve inside me.
    I replied, “11but only if God helps.”
    I finished my work and12 all the way to the nearest grocery store. I entered the parking lot and noticed a big 13in the grocery store window: Turkeys---14 cents a pound. “Thank God!” I said to myself.
    I went inside, but when I read the sign my heart 14. “Limit one.” But I needed at least two so I decided to find the manager. I 15 the problem. He made an exception. To my 16, I had enough money. I was even able to purchase a package of cookies for the five-year-old child who had 17 my heart, even though I had never met her.
    Later that afternoon, Roy and I made a special delivery to a home 18 with children of all ages. I will never forget the 19on the six kids' faces. By far, that was the greatest 20 of my life.