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Calendar 日历 The calendar shows days, weeks, months and years. 日历上可以看到天数、周数、月数和年数。 There are 24 hours in a day. 一天有24小时。 And there are seven days in a week. 一周有七天。 Also, there are 365 d
Octagon 八边形 What is a shape that has 5 lines and 5 angles? 哪种形状有五条边和五个角? It is a pentagon. 它就是五边形。 What is a shape that has 8 lines and angles? 哪种形状有八条边和八个角呢? It is an octagon.
Time 时间 Time is important in our life. 时间在我们的生活中很重要。 It includes seconds, minutes, hours, days and years. 它包括秒、分钟、小时、天和年。 1 minute is 60 seconds, and 1 hour is 60 minutes. 一分钟等于60秒
Tornado 龙卷风 A tornado is a funnel-shaped strong wind. 龙卷风是漏斗状强风。 It never stops whirling and keeps sucking up dust, houses, cars, trees and everything. 它不断旋转着并吸进灰尘、房子、汽车、树木以及所有的
Wings 翅膀 Birds can fly because they have wings. 鸟儿因为有翅膀才能飞。 Each bird has differently shaped wings. 每种鸟的翅膀的形状都不同。 How fast do birds fly? 鸟能飞得多快呢? The speed of birds varies. 它们的速
There is a lovely dog in Lukes house. The family has raised it for two years. One day, when Luke walks his dog in the evening, the dog runs away and then misses. Luke is very panic, because he worries about the dog will be caught by the bad guys. The
The Tokyo Organizing Committee of the Olympic and Paralympic Games announced last Tuesday that the nation's elementary school children will likely choose the Game's mascot from the final candidates via voting. 东京奥运会和残奥会组织委员会
Oil 石油 Oil is a very useful resource for humans. 石油对人类而言是非常有用的资源。 It is use to run vehicles, heat houses and make roads. 它被用来带动汽车、供暖和铺路。 And it is even use to make clothes and medicine
Battery 电池 A battery is a box of electricity. 电池是一盒电。 It stores chemical energy and this chemical energy changes into electricity. 它能储存可以转化为电能的化学能。 Can you name the things that need batteries? 你能列
The Sun 太阳 Where is the sun right now in the sky? 现在太阳在天空的什么位置? The sun is at a different place for every minute of the day. 它每分每秒都在不同的地方。 The sun rises from the east, the sun sets in the west. 太
Rain Forest 热带雨林 Have you ever been to a rain forest? 你去过热带雨林吗? Rain forests are found around the equator. 热带雨林在赤道附近。 In the rain forests, we only see summer all year long. 热带雨林里终年只有夏季
Human Teeth 人的牙齿 Teeth are the hardest thing in the human body. 牙齿是人体中最坚固的东西。 They are not made of bone. 它们不是由骨骼构成的。 They are made of enamel, gum and so on. 而是由牙釉质,牙龈等构成的
[00:00.00]Unit 30 [00:05.00]Grammar extension [00:07.03]Behaviour that drives me mad [00:10.35]We asked people to tell us about behaviour [00:13.44]they can't stand. [00:16.02]I hate people interrupting all the time, [00:18.65]and not listening prope
City 城市 Many people live in a city. 很多人生活在城市中。 Also, many cars and buildings are in a city. 城市中还有很多的汽车和建筑物。 Cities have a long history, but no one knows exactly how old a city is. 城市的历史悠
Inflation 通货膨胀 Can you explain what inflation is? 你能解释什么是通货膨胀吗? Inflation means that the prices of things increase. 通货膨胀意味着物价上涨。 Inflation sometimes happens because government prints too much
Rachel Carson 蕾切尔-卡逊 Rachel Carson was a marine biologist and a nature writer. 蕾切尔-卡逊是海洋生物学家和自然作家。 She really cared about nature and enviroment. 她很关切自然和环境。 She spent a lot of time read
Thanksgiving Day 感恩节 When is Thanksgiving Day in the United States. 美国什么时候过感恩节? Thanksgiving Day in the USA is the fourth Thursday in November. 美国的感恩节是在每年十一月的第四个星期四。 It is an old t
Fire Fighter 消防员 Fire fighters put out fires and save people's lives. 消防员能扑灭火灾,挽救人们的生命。 They also save people's houses and buildings, and protect the environment. 他们也能保护人们的房屋建筑,也能保