含晶细胞

[00:00.00]Module 4Life in the future [00:04.32]Unit 1Everyone will studyat home. [00:09.29]Vocabulary and listening4 Listen and check ()the true sentences forDaming and Betty. [01:09.12]5 Listen and read.Betty:Will there beschools in the future? [01:

发表于:2018-12-17 / 阅读(50) / 评论(0) 分类 新标准初中英语第二册

But there was something even better. Odyssey may not just have found ice. There may also be liquid water, and that means, there could be living creatures there too. Right now, there might be liquid wa

发表于:2019-01-02 / 阅读(75) / 评论(0) 分类 火星生命

This is Scientific American's 60-Second Science, Im Steve Mirsky. Got a minute? Biologists often attempt to construct a genealogy that shows the relationships of all life on earth. One well-accepted effort compares the nucleic acid sequences that cod

发表于:2019-01-08 / 阅读(54) / 评论(0) 分类 Scientific American(五)月

I dont have a landline in my apartment. And since I work from home, that means that I dont have a landline for my work either. I havent had a landline for almost four years now, and Im okay. While not everyone is in a position to get rid of his or he

发表于:2019-02-18 / 阅读(38) / 评论(0) 分类 阅读空间

Why You Shouldn't Leave Nude Photos of Yourself on Your Cell Phone The 23-year-old woman lost her cell phone in a restaurant parking lot. By the next morning, someone was texting nude photos of her to everyone. As regular readers have learned many ti

发表于:2019-02-24 / 阅读(61) / 评论(0) 分类 阅读空间

Bacteria are the oldest living organisms on the earth. 细菌是地球上最古老的生物。 They've been here for billions of years, and what they are are single-celled microscopic organisms. 它们已经存在数十亿年了,它们是单细胞微

发表于:2019-03-04 / 阅读(136) / 评论(0) 分类 TED演讲教育篇