标签:小学生 相关文章
Basketball 篮球 Do you like basketball? 你喜欢篮球吗? Basketball is a very popular sport. 篮球是一项广受欢迎的体育运动。 A basketball game needs two teams. 篮球比赛需要两队。 Each team has 5 players. 每队有五名球
Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗? No, its two ends must meet at two different points on the circle. 不是
Dam 水坝 If you want to use water for electric power and to prevent flooding or drought, what should you do? 如果你想用水发电,防洪或防旱,你该怎么做? You have to make a dam. 你得建座水坝。 A dam is very useful for many
Seascape 海景画 Painters love to draw people, animals, trees and rivers. 画家爱画人物、动物,树木和河流。 Also, one of the most popular subjects is the seascape. 海景也是最受欢迎的主题之一。 Seascapes include scenes o
African Americans 非裔美国人 Who are African Americans? 谁是非裔美国人? African Americans are Americans from the African continent. 非裔美国人是来自非洲大陆的美国人。 Why did African Americans leave their countries and
Supreme Court 最高法院 Do you know what the supreme court is? 你知道什么是最高法院吗? The supreme court is the highest court in the United States. 最高法院是美国最高等的法院。 What does it do? 它的作用是什么? T
Sandstorms 沙尘暴 If the storm comes to a desert, what will happen? 如果沙漠刮起风暴会怎样? Sand and dust will blow with the wind. 沙尘都会被风吹起来。 This is called a sandstorm. 这就是所谓的沙尘暴。 The Sahara De
Celsius 摄氏度 How cold is it outside? 外边多冷? There are two different temperature scales. 有两种不同的温标可以衡量。 There are celsius and fahrenheit. 它们是摄氏度和华氏度。 Who invented celsius? 谁发明的摄氏度
Bugs 虫子 What are bugs? Bugs usually have thick skin. 什么是虫子?它们通常有厚厚的外壳。 There are many kinds of bugs. 虫子有很多种。 Some bugs have body parts. 有些虫子有身体部位。 For example, antibodies have th
Waves 波浪 A wave is the movement of water. 波浪是水的运动。 Why do waves happen? 波浪是怎么产生的呢? Waves are made when the wind blows over the surface of water. 风吹水面就会产生波浪。 On the beach, you probably watc
The Ozone Layer 臭氧层 Can humans live away from the Earth? 人类能远离地球生活吗? Maybe it will be possible in the future but it is impossible now. 或许将来可以,但现在不行。 In our solar system, the Earth is probably the
Thomas Edison 托马斯-爱迪生 Thomas Edison was a great inventor in history. 托马斯-爱迪生是历史上伟大的发明家。 One of his famous inventions was the electronic light bulb. 他著名的发明之一是电灯泡。 Thanks to his in
Culture 文化 Culture is a certain group's unique way of thinking and behaving. 文化是指某一群体特有的思考和行为的方式。 Therefore, there are a lot of different cultures in the world. 因此,世界上的文化多种多样。 Gr
Antenna 天线 An antenna is used for radio, television, radar and so on. 天线用于广播、电视、雷达等等。 It works in air and under the water. 它适用于空中和水下。 Antennas send signals and receive signals. 天线发送和接收
Drought 干旱 A drought is a long period of water shortage. 干旱是指长期的水资源短缺。 If we have no rainfall for a long time, we can face drought. 如果我们所在的地区长时间不下雨,我们就会面临干旱。 During a dro
Food Chain 食物链 The food chain is a natural system. 食物链是自然系统。 The first level of the food chain consists of plants. 食物链的第一级由植物组成。 These plants are major food for grass-eating animals. 这些植物是食草
Cost 成本 In our society, everything has its cost. 在我们的社会里,一切都是有成本的. What is the cost? 什么是成本? A cost is something you have to give up in order to get another thing. 成本是你为了得到另一件东西而
Mercury 水星 Which planet is the closest to the sun in the solar system? 太阳系中哪颗行星离太阳最近? It is Mercury. It is also the smallest planet in the solar system. 水星。它也是太阳系中最小的行星。 How small is Mer
Acid 酸 Why does the lemon taste sour? 为什么柠檬的味道很酸? It is because of the acid in a lemon. 因为柠檬里有酸。 Then what is acid? 那么什么是酸? All substances with a sour taste are kinds of acid. 所有带酸味的物质
Crocodile 鳄鱼 When most dinosaurs disappeared eighty million years ago, some kinds of animal survived. 当大多数恐龙在8000万年前灭绝时,一些动物幸存了下来。 Crocodiles were one of them. 鳄鱼是其中之一。 People believ