英国学生科学读本 第4期:黑铅
日期：2016-11-24 05:54:19
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Lesson 4 Black-lead 第四课 黑铅 What is the black-lead in your pencil made of? If you take a bit of the metal which we call lead, you will find that it is grey in colour, very heavy, and not at all like the black-lead in your pencil. But the lea...
英国学生科学读本 第3期:木杆铅笔
日期：2016-11-24 05:52:59
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第三课 木杆铅笔 Have you a lead-pencil? If not, I want you to get a loan of one, and to look at it very carefully. It is made of woodmost likely of cedar wood, for the wood of the cedar tree is much used for making pencils. 小朋友，你有木...
英国学生科学读本 第2期:金丝雀
日期：2016-11-24 05:52:24
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The Canary Bird 第二课 金丝雀 Are you fond of birds? Perhaps you have one at home. It is very cruel to keep such birds as sparrows or swallows in cages, because these birds like better to fly about in the open air. 小朋友，你喜欢鸟儿吗？...
英国学生科学读本 第1期:冬青
日期：2016-11-24 05:43:06
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Lesson 1 The Holly 第一课 冬青 How nice it is at Christmas to see the branches of holly on the walls! How pretty the bright-red berries look against the shining dark-green leaves! 过圣诞节了，墙上挂起了冬青的树枝，小朋友们多高...
