问题
解答题
把一根2米长的圆柱形钢材截成两段，表面积增加25.02平方分米，每立方分米钢重7.8千克，这根钢材重多少千克？（用进一法取值，最后得数保留整千克）
答案
2米=20分米，
（25.02÷2）×20×7.8，
=12.51×7.8×20，
=97.578×20，
=1951.56，
≈1952（千克），
答：这根钢材重1952千克．
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把一根2米长的圆柱形钢材截成两段，表面积增加25.02平方分米，每立方分米钢重7.8千克，这根钢材重多少千克？（用进一法取值，最后得数保留整千克）
2米=20分米，
（25.02÷2）×20×7.8，
=12.51×7.8×20，
=97.578×20，
=1951.56，
≈1952（千克），
答：这根钢材重1952千克．
This is no joke. Kelly Katrina Hildebrandt, 20, and Kelly Carl Hildebrandt, 24, are expecting just over 100 guests at a(an) 21 at a church, where they will become husband and wife. Their modern romance was a 22 made in cyberspace（网络空间）. She was 23 and bored one night last year, so she typed her name into the 24 social networking Website Facebook just to see if anyone 25 it: Hildebrandt, 24, in South Florida. At the time, Kelly Hildebrandt, of Lubbock, Texas, was the only one matched. So she sent him a 26 . She said, “Hi. We had the same name. Thought it was cool.” Kelly Carl Hildebrandt said, “I thought she was pretty 27 .” For the next three months the two 28 e-mails. 29 he knew it, occasional phone calls turned into daily chats, sometimes 30 hours. He 31 her in Florida after a few months and fell head over heels. “I thought it was fun,” he said of that first online meet. “I had no 32 that it would lead to this.” Months after Kelly Hildebrandt sent her first e-mail, she found a diamond engagement 33 hidden in treasure box on a beach in December. “I totally think that it’s all God’s 34 ,” Kelly Katrina Hildebrandt said. “He planned it out just 35 .” She's a student at a local community college. He works in financial 36 . They plan to make their home in South Florida. There was also some uncertainty 37 how to phrase their wedding invitations, so they decided to include their 38 names. But 39 confusion likely won't carry on past the husband and wife, as Kelly Katrina Hildebrandt said there are no plans to pass along the name to their future 40 . “No,” she said. “We're definitely not going to name our kids Kelly.”
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