单词：test positive
单词：test positive 相关文章
By Steve Schy Cesana, San Sicario 16 February 2006 Biathlon competition at Cesana, San Sicario It was hazy and mild in Turin, but it was snowing hard up in the mountains as 83 women started the 7.5-ki
2006年VOA标准英语（二月）
A little more than a year after the Kenyan and U.S. governments launched a nationwide HIV home testing program in Kenya, some counselors in the program say they are feeling overwhelmed. They cite harsh conditions in the field, conflicts in the homes
VOA标准英语2010年(七)月
According to scientists, it is possible to predict whether a couple will break up by using a word association test - and it's much more accurate than simply asking them how they feel about each other. 科学家近日指出，通过一项所谓的文字
实用英语
今天我们要学的词是positive。 Positive, 是积极的，正面的。A positive attitude, 积极的态度。He has received positive feedback for the work he has done, 他的工作得到了好评。She remained positive even in face of failure
英语每日一词
Small kits are now available similar to pregnancy tests that can determine whether a person is infected with HIV, the AIDS virus. But the tests can give a false positive reading if used incorrectly, possibly dealing an emotional or psychological blow
VOA标准英语2010年(七)月
left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased
英语口译