单词：metallographic tests
单词：metallographic tests 相关文章
Health Report - WHO Urges Ban on Blood Test for Tuberculosis 健康报道 - 世卫组织督促禁用血液检测方法诊断结核病 This is the VOA Special English Health Report. 这里是美国之音慢速英语健康报道。 The World Health Org
2011年VOA慢速英语(八)月
Are Children Taking Too Many Tests? Urban school systems in the U.S. give too many tests, says a new study. President Obama agrees. In an open letter to parents, he asks: Ive got a pop quiz for parents and teachers across the country. If our kids had
2015年VOA慢速英语(十一)月
WHO Says TB Blood Test Inaccurate The World Health Organization is urging many low and middle income countries to ban the use of currently-available commercial blood tests to detect active tuberculosis. This is the first time WHO has issued an explic
VOA标准英语2011年(八月)
By Melinda Smith Washington, DC 11 January 2007 watch Heart Disease Blood Test The World Health Organization (WHO) says that cardiovascular disease causes approximately one third of all deaths worldwide (16.7 million). And those deaths are not just
2007年VOA标准英语（一月）
By Scott Stearns Washington 06 July 2006 President Bush says the international community is united in its desire to convince North Korea to give up nuclear weapons.Mr. Bush is consulting with world leaders ahead of possible U.N. sanctions. --------
2006年VOA标准英语（七月）
ROME, May 24 (Xinhua) -- Former AC Milan midfielder Andrea Pirlo joined Turin giants Juventus on a three-year deal on Tuesday. The 32-year-old Italian international had been released from newly-crowned Serie A champions AC Milan on a mutual acceptanc
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