英国学生科学读本 第90期:结实的橡树(3)

and hang it point downwards from a strip of wood placed across the top of a wide-mouthed bottle, or a pickle-glass, or a tumbler, half full of water. 然后尖头朝下悬挂在一片横放在装有半瓶水的宽口瓶、泡菜瓶或平底玻璃杯口

英国学生科学读本 第38期:人类的帮手-马(1)

Lesson 38 Our Helper, The Horse 第38课 人类的帮手马 The horse is an animal which seems to have been made for helping us in our daily work. we ride on its back, and we get it to pull heavy loads in carts. 马这种动物, 似乎生来就是为人

英国学生科学读本 第43期:一块粘土(2)

What has become of the water? Dry clay is full of tiny pores, and it has sucked up the water into its pores. 水上哪儿去了？干燥的粘土满是细小的孔洞，把水都吸到孔洞里去了。 Now let us mould our lump of soft clay into the

英国学生科学读本 第42期:调皮的麻雀(1)

Lesson 4 The Saucy Sparrow 第4课 调皮的麻雀 What little birds are these that build their nests in our great cities, and do not mind the smoke and the noise and the bustle? What little birds are these that hop about our crowded streets, and pic

英国学生科学读本 第41期:糖是怎么生产的(1)

Lesson 41 How Sugar Is Made 第41课 糖是怎么生产的 After the negroes have cut up the stems of the sugar-cane into short lengths, they carry these to a building where there are a number of heavy iron rollers, which are turned by a steam-engine

英国学生科学读本 第49期:栗子

Lesson 49 Chestnuts 第49课 栗子 How nice it is to go for a country walk in the spring, when everything looks fresh and green, and the air is not too hot! Probably we shall not have to go very far before we see the fine large shady tree called the

英国学生科学读本 第50期:只是一块石头(1)

Lesson 50 Only A Stone 第50课 只是一块石头 What is the oldest thing you have seen? One boy thinks it is a church, for he has seen a date on one which tells that it was built hundreds of years ago. 小朋友，你见过的最古老的东西是什

英国学生科学读本 第51期:一块煤(1)

Lesson 51 A Lump Of Coal 第51课 一块煤 Let us take a lump of coal in our hand. It is black in colour, and it will dirty our fingers a little, but we must not mind that. Coal is hard; but it breaks into pieces if we strike it with a hammer, and s

英国学生科学读本 第51期:一块煤(2)

In the layers of clay and sandstone between the seams of coal we often find the remains of plants very well preserved indeed. In the coal itself it is very hard to tell one plant from another, for they have all been crushed together. 在煤层之间的

英国学生科学读本 第54期:硬壳螃蟹(2)

Many crabs are found with sea-weed and even with shell-fish growing on their backs. This helps them to catch the little fishes on which they live. The fishes do not notice the crab when its shell is covered in this way. 人们发现很多螃蟹背上都

英国学生科学读本 第32期:一块软木(2)

The bark of the cork-tree is first stripped off its trunk when the tree is about thirty years old. This bark is very rough and full of cracks. It is called virgin cork, and it is used to decorate green-houses and flowerboxes. 木栓栎树长到30年的

英国学生科学读本 第30期:马铃薯(2)

Below the ground the stem is swelling out into little beads that will grow into new potatoes for us. The earthmust be piled up round the stems, so as to cover the potatoes and keep them from the light. 地下的茎会长出小珠子一样的东西, 小

英国学生科学读本 第31期:游来游去的蛇(1)

Lesson 31 The Gliding Snake 第31课 游来游去的蛇 Snakes belong to the class of animals which is known as reptiles. Very few snakes are found in our country. InIreland there are none at all; and in England and Scotland there are only two kinds

英国学生科学读本 第33期:美丽的鸽子(1)

Lesson 33 The Pretty Pigeon 第33课 美丽的鸽子 I am sure that you all know a pigeon when you see one, and that you like and admire this pretty bird. 小朋友, 你们看见鸽子, 一定都认识吧? 你们也一定都喜欢、珍爱这种美丽的

英国学生科学读本 第26期:摘毛茛(2)

The very young flowers of the buttercup are called buds. On the outside of each bud we see five little green leaves. These keep the bud safe from the cold and from the rain. 毛茛的花, 在很小的时候, 叫做花蕾。每一个花蕾的外面, 我

英国学生科学读本 第24期:嫩豌豆(2)

These pods are picked when they are large and full. 豌豆荚长大、长饱满之后, 人们就采下来, The peas are taken out, and boiled for us to eat. 把豌豆剥出来煮着吃。 Let us look at the curious flower of the pea-plant. 咱们再看

英国学生科学读本 第26期:摘毛茛(1)

Lesson 26 Picking Buttercups 第26课 摘毛茛 You all like to gather the yellow flowers called buttercups. The flowers are pretty, but there are other partsof the plant which you should look at. Let us dig up the whole plant with a big knife, and t

英国学生科学读本 第28期:一块盐(1)

Lesson 28 A Block Of Salt 第28课 一块盐 Every day we eat some of the white powder which we call salt. Salt does our bodies good, and keeps them healthy. We eat it at dinner along with our meat. We eat it, too, with eggs, and watercress, and with

英国学生科学读本 第21期:一块石板

Lesson21 A piece of slate 第21课 一块石板 Look at your slate, and see what it is made of. It is a very thin, smooth, grey stone. The pencil with which you write upon it is also a piece of soft slate. 小朋友, 看看你自己写字用的石板

英国学生科学读本 第20期:公鸡和母鸡

Lesson20 Cocks and hens 第20课 公鸡和母鸡 I know that many boys and girls like to eat eggs for their breakfast and for their tea. They like puddings, too, that are made with eggs. Where do these eggs come from? 我知道, 很多小朋友在吃早