求求人解答说什么？？？辅助线做的对不

来源：蜘蛛抓取(WebSpider) 时间：2016-04-14 10:30 标签： 红旗镇楼跪求解答
求解答。。急 。这样做对么？？？？？？？？？？_百度知道
求解答。。急 。这样做对么？？？？？？？？？？
In Mount Berry, Georgia, people find a group of schools built specially for mountain children. The schools, as well as the mountain itself, are named after Martha Berry, herself a daughter of a Georgian mountaineer.Martha Berry was born in 1866. Luckier than most Georgian mountain children, she received an education. But she never forgot other children of the mountains whose parents couldn't afford to send them to school. In 1902 Martha Berry started a school for these children. It was housed in a single small log cabin and was attended by only five pupils. Now, eighty years later there are a score of Berry schools in the area, with a total of over one thousand students and a waiting list of about five thousand.Martha Berry in her later years received many medals and honors for what she had done for the poor mountain children of Georgia, and in 1931 she was named one of the twelve most important women in the United States. She never stopped working for the mountain children till her death in 1942.41. The Berry Schools have a history of.A. half a centuryB. about a quarter of a centuryC. over three quarters of a centuryD. more than a century42. How many years of her life did Martha Berry devote to working for the mountain children?A. 40 yearsB. 36 yearsC. 29 yearsD. 76 years43. The Berry Schools have expanded.A. 20 timesB. 200 timesC. 1 000 timesD. 5 000 times44. In Mount Berry there are now .A. enough schools for all the local childrenB. still not enough schools for all the local childrenC. more than enough schools for all the local childrenD. schools for local children as well as children from other parts of the U.S.45. Martha Berry was named one of the twelve most important women in the U.S. because.A. she had received many medals and honorsB. she had never stopped working till her deathC. she had h俯珐碘貉鄢股碉瘫冬凯elped develop one of the most backward areas in the U.S.D. she had helped set up some of the most advanced schools in the U.S.
提问者采纳
你好，第一题错误，根据以下这句话即可判断1、In 1902 Martha Berry started a school for these children.
2 century是世纪的意思，也就是100年，所以说应该选D，其他的都正确。 希望俯珐碘貉鄢股碉瘫冬凯采纳：） Kevin
提问者评价
嗯，应该是，弱问下第一题如果选C正确翻译是什么？
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其他1条回答
我觉得你做的是正确的，CABBC
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出门在外也不愁第二题，求学霸解答，要做辅助线=￣ω￣=_百度知道
第二题，求学霸解答，要做辅助线=￣ω￣=
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采纳一下吧，别让我白做
提问者评价
你的回答完美的解决了我的问题，谢谢！
来自：作业帮
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出门在外也不愁这道题求大神解答，如果需辅助线请也花出来？？？？_百度知道
这道题求大神解答，如果需辅助线请也花出来？？？？
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提问者采纳
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谢谢。。我自己写出来了
提问者评价
你的回答完美的解决了我的问题，谢谢！
紫色曼佗罗
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出门在外也不愁初三数学求解过程，不能做辅助线。_百度知道
初三数学求解过程，不能做辅助线。
提问者采纳
提问者评价
太给力了，你的回答完美地解决了我的问题，非常感谢！
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。。。能啊。
角ECD加上角CED等于90度
角AEF加上角CED等于90度
所以角AEF等于角ECD
又因为俩直角
所以相似。
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出门在外也不愁F为自己做的辅助线，可以不去看它，求解答思路_百度知道
F为自己做的辅助线，可以不去看它，求解答思路
提问者采纳
证boc=bdo=ceo
半个角b+半个角c+半个角a=90度
bof=半个角a+半个角b、cof=半个角a+半个角c
boc=半个角a+半个角b+半个角c+半个角a=半个角a+90度
bdo=半个角a+90度
bdo=boc后面的步骤不要俺说了吧
给个采纳吧
还不会，我前面发的看懂没
会了啊，所以给你好评
俺网络延迟
提问者评价
太给力了，你的回答完美解决了我的问题！
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