[人名] 蔡斯勒

太阳科普第8期

Now the speed of light is a very,very big number. 光速是个很大的数字 So if we just take a small amount of mass, 所以只要一点点质量 you get a huge amount of energy. 就含有大量能量 And that's the energy which actually powers ou

发表于:2018-12-07 / 阅读(95) / 评论(0)

太阳科普

VOA标准英语2010年-Health Advocates Say Pneumonia Prevent

The global health organization that works to combat pneumonia in children says the lung disease is the single leading killer of young children in the world, more than HIV/AIDS, malaria and tuberculosis. The Global Coalition Against Child Pneumonia sa

发表于:2019-01-14 / 阅读(62) / 评论(0)

VOA标准英语2010年(十一)月

VOA标准英语2008年-Severe Pneumonia Can Be Effectively Treated at

By Lisa Schlein Geneva 05 January 2008 A new study sponsored by the World Health Organization (WHO) shows children with severe pneumonia can be effectively treated at home and do not need to be hospitalized. The World Health Organization calls this f

发表于:2019-02-01 / 阅读(50) / 评论(0)

VOA标准英语2008年（一月）

China faces severe plasma shortage: health minister

BEIJING, Dec. 11 (Xinhua) -- China is faced with severe challenges in collecting enough blood plasma to produce medicines, Health Minister Chen Zhu said Sunday. Chen called on the public to join blood donation after donating blood plasma at the Beiji

发表于:2019-02-07 / 阅读(66) / 评论(0)

英语新闻

Lesson 44-1 Home Appliances 家用电器

Listen to the statements and check the correct answers. 1.Is sweeping out the tiny dust bothering you a lot? From now on if you have this machine, doing the housework will become a very easy job. This is a portable vacuum cleaner. lt's light and wire

发表于:2019-02-17 / 阅读(51) / 评论(0)

英语听力练习题

Chinese health minister donates plasma

CHENGDU, May 5 (Xinhua) -- Chinese Health Minister Chen Zhu donated plasma on Saturday in Chengdu, capital of southwest China's Sichuan Province, and called on health workers to take the lead in blood donation to ease the country's blood supply short

发表于:2019-02-18 / 阅读(61) / 评论(0)

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