血浆药物浓度

华尔街的赚钱经第3期:让你致富的8门大学课程

The Courses that Make You Rich in University让你致富的8门大学课程Is it common knowledge that school doesn't prepare you well for the real world? 学生通过学校的学习并不能掌握应对残酷现实世界的技能，这是否已经成为

发表于:2018-12-05 / 阅读(21) / 评论(0)

华尔街的赚钱经

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慢速英语2013 中毒是数以千计的尼日利亚儿童面临的最主要的威胁

As It Is - Thousands of Children in Nigeria Still Suffering from Lead Poisoning中毒是数以千计的尼日利亚儿童面临的最主要的威胁 From VOA Learning English, this is As It Is. Hi! Welcome back to the show. Im Caty Weaver. Nigeria is

发表于:2019-01-11 / 阅读(29) / 评论(0)

2013年VOA慢速英语(八)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(52) / 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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apparatus for inserting insulation

attitude of rock formation