严苛偏误

Dengue Severity Depends on Prior Infection, Genetic Variation American and Nicaraguan scientists have discovered the reason why a second infection with dengue can often be much more serious, even fatal, than the first. Dengue is a viral disease sprea

发表于:2019-01-13 / 阅读(40) / 评论(0) 分类 VOA标准英语2011年(十二月)

今天我们要学的词是experimental. Experimental 试验阶段的。The House of Representatives rejected a Republican bill that would give terminally ill patients the ability to try experimental drugs. 美国国会众议院否决了一项议案,

发表于:2019-01-26 / 阅读(44) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是exaggerate。Exaggerate, 意思是夸张,夸大。 He tends to exaggerate when talking about his accomplishments, 他谈到自己的成就时总爱夸大其词。北韩上周进行导弹试射,但导弹升空后一分钟就

发表于:2019-02-06 / 阅读(50) / 评论(0) 分类 英语单词荟萃

Anti-depressants are widely used to help relieve suffering. But after reviewing previous studies, researchers at the University of Pennsylvania may have hit on something that could change the way anti-depressants are prescribed. The researchers looke

发表于:2019-02-12 / 阅读(51) / 评论(0) 分类 VOA标准英语2010年(一月)

STEVE INSKEEP, HOST: Every year, more than 1 million children and adolescents sustain a concussion. The symptoms may vanish in days or last for months. And right now, doctors usually cannot predict how long the recovery will take. That could be chang

发表于:2019-02-13 / 阅读(108) / 评论(0) 分类 2017年NPR美国国家公共电台5月

GRE改革之后,新GRE词汇量减少20%,但在减少的同时,新GRE对词汇的考察也加大了一定的难度。新GRE词汇是整个考试的基础部分,具有重要地位。以下是2012新GRE词汇:asperity,希望能帮助各位考

发表于:2019-02-25 / 阅读(71) / 评论(0) 分类 GRE英语