单词:alopecian
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by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag
Health Report - With Physical Activity, No Need to Be an Olympian This is the VOA Special English Health Report. Watching the Olympics probably made some people feel a little guilty about not exercising. The truth is, if physical inactivity were a sp
By Robert Berger Jerusalem 25 May 2006 Palestinian Prime Minister Ismail Haniyeh of Hamas, center, attends a Palestinian National Dialogue Conference in Gaza City Rival Palestinian factions have opened talks aimed at easing tensions, which have esca
By Patricia Nunan New Delhi 20 February 2006 Veterinarian doctors collect eggs at poultry farm at Navapur, February 20, 2006 Indian officials say the country's first outbreak of bird flu is under cont
Three Russian warships have entered Cuban waters as part of a voyage aimed at boosting Russian ties with several Latin American nations. Russia's ship, Admiral Chabanenko, arrives at Havana bay, 19 Dec 2008 Cuban soldiers fired ceremonial shots to w
Nigerian Midwives Improve Rural Healthcare Maternal healthcare is improving in rural Nigeria thanks to a program to expand the use of midwives. The program could serve as a model for other developing countries. Its called the Midwife Service Scheme a