[昆] 多细胞突起

SSS 2011-09-26

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Life requires balance. We balance work and family. We eat a balanced breakfast, sometimes. And we balance our electrolytes. That salt-water synergy is no

发表于:2018-12-24 / 阅读(65) / 评论(0)

Scientific American(九)月

60秒科学:多细胞生物不需要氧气

As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new onethe discovery of the first multicellular animals that survive and reproduce entirely without ox

发表于:2019-01-02 / 阅读(86) / 评论(0)

60秒科学

SSS 2010-04-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. As scientists delve deeper beneath the oceans surface, they find bizarre creatures that have adapted to harsh and extreme environments. Now comes a new o

发表于:2019-01-08 / 阅读(55) / 评论(0)

Scientific American(四)月

新托福阅读模拟试题

Hormones in the Body Up to the beginning of the twentieth century, the nervous system was thought to control all communication within the body and the resulting integration of behavior. Scientists had determined that nerves ran, essentially, on elect

发表于:2019-01-08 / 阅读(52) / 评论(0)

托福英语

I Need a User Manual for My Life!

I Need a User Manual for My Life! I was doing something routine a couple of days ago paying some first of the month bills online and I got stuck. For the life of me, I couldnt remember the name of one of the people I send payments to. All the informa

发表于:2019-02-02 / 阅读(82) / 评论(0)

阅读空间

阿尔巴尼亚改革以提高司法效率

TIRANA, Sept. 1 (Xinhua) -- The Minister of Justice, Eduard Halimi, states that the new civil package of Albania comes to power on Sunday and will help thousands of citizens. This civil reform helps in boosting efficiency of judicial system by elimin

发表于:2019-02-06 / 阅读(79) / 评论(0)

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