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《中学科技》2013,(12):30-30
Until recently, 3D printers were so expensive that only large companies could afford them. In just the last year or two, their cost has dropped dramatically. Today, you can buy a 3D printer for as little as $300. The technology offers the potential to print anything at home, when you want it, without having to buy it in a store or order it from a factory. Of course, there's a catch. It has to do with the word "potential". 相似文献
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There are many people around me, but I love my mother best.
My mother is a teacher, and she is also a great mother. She tries to do what she can (1) help me with my study and in my life. She often tells me to work hard and to be honest. Without her help, I can't grow (2)healthy. 相似文献
My mother is a teacher, and she is also a great mother. She tries to do what she can (1) help me with my study and in my life. She often tells me to work hard and to be honest. Without her help, I can't grow (2)healthy. 相似文献
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我们都有绝望的时候。只有在勇敢面对的时候,我们才知道自己有多坚强。我们都做过一些自己都感到惭愧的事。有些人爱错了人,有些人错过了爱;有些孩子使父母丢腧,也有些家长让孩子失望。是的,我们都犯过错,使我们爱的人离我们而去。但如果我们试着从这些错误中吸取教训并成长,就还有挽回的机会。 相似文献
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在日常交谈中,常会遇到需要打断别人谈话的情况,尤其是在不得已而必须这样做的时候,讲究礼貌就是非常重要的事了。下面介绍一些常用句型。 相似文献
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当你要介绍朋友时,应恰如其分地抓住其特点,准确地描述其样子或外貌。下面介绍一些英语中关于人物描述的句子供学习参考。 相似文献
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提起英语,你会有什么感觉?有人喜欢她在语音上的流畅悦耳,有人热衷于各种美剧中她富于生活气息的表达,有人沉迷于她深厚的文化积淀。当然,一定有同学讨厌书本中各种语法的条条框框,讨厌在各种时态短语中反复纠结,还有那总是猜不透出题老师心情的完形填空。其实,英语和我们平常嘴边的汉语一样,也不过是一门语言而已。所以,何不让我们用更轻松的方法、更简单的途径去靠近她呢?本期就为大家介绍几个有趣的学英语的网站,说不定在不知不觉间。你就会爱上她。 相似文献
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Mrs Williams loved flowers and had a small but beautiful garden. In the summer, her roses (玫瑰花) were always the best in her streel. One summer afternoon her bell rang, and when she went to the front door, she saw a small boy outside. He was about eight years old, and was holding a big bunch of beautiful roses in his hand. "I'm selling roses," he said. "Do you want any? They are quite cheap. One shilling for a big bunctl. They are fresh. I pieked them this afternoon." 相似文献
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It was time for Mr Bell to close his shop. He was checking his money.His son Tom, who was 15, then, a big man walked into When Tom came back, Tom could see the gun in the had just gone outside to the shop with a gun in his buy a newspaper. Just hand. he could hear the man asking his father for money. man's hand, but the man didn't see or hear Tom. 相似文献
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亲戚朋友聚会串门是常有的事,主人和客人都应有一定的礼节。欧美国家若要邀请对方来做客,应提前打电话正式约请,被邀者必须给予明确答复,约定好时间,不要迟到,但也不要太早。进餐时的言谈举止也十分讲究。下面列举一些常用礼貌用语。 相似文献