Technology goods to become cheaper 科技商品将变得更便宜 A new trade deal will make technology cheaper. Over 50 countries will end import duties on 200 products over the next four years. The countries signed the deal at the WTO. The products

发表于:2018-12-03 / 阅读(76) / 评论(0) 分类 英语科技新闻

Inventions for Exploring Space: Artificial Satellites Sputnik Ⅰ was the first artificial satellite. It can be described as an aluminium 1 sphere with a diameter 2 of 58 centimetres and weighing 83.6

发表于:2018-12-30 / 阅读(79) / 评论(0) 分类 英语沙龙2004全年合辑下

[00:02.60]第14单元人造卫星 [00:05.20]Lesson 53 1 Dialogue [00:08.28]第53课 1 对话 [00:11.36]Jane and Zhou Lan are in London.They are wondering what to do today. [00:14.64]简和周兰在英国。她们今天不知道要做些什么。 [00:

发表于:2019-01-10 / 阅读(121) / 评论(0) 分类 高中英语人教版高二

Satellites 人造卫星 Do you know what a satellite is? 你知道什么是人造卫星吗? It is an object made by humans. 它是人类制造的产物。 Like the moon, it circles around the Earth. 就像月球一样,它围绕地球旋转。 How

发表于:2019-01-10 / 阅读(87) / 评论(0) 分类 与美国小学生一起学英文第10册