VOA标准英语2012--Rotavirus Vaccine Arrives in Rwanda

Rotavirus Vaccine Arrives in Rwanda More than 3,000 Rwandan children die every year from diarrhea. But health officials say thats about to change with the introduction of the rotavirus vaccine. Rwanda is the latest in a growing number of African coun

发表于:2019-01-13 / 阅读(33) / 评论(0)

VOA标准英语2012年(五月)

VOA标准英语2011--Rotavirus Immunization Protects People W

RotavirusImmunizationProtectsPeopleWhoDon'tGetVaccine Rotavirus causes severe diarrhea that kills more than a half-million people each year, mostly very young children. A recently-introduced vaccine has proved to be very effective and has shown some

发表于:2019-01-13 / 阅读(36) / 评论(0)

VOA标准英语2011年(九月)

VOA标准英语2011--Rotavirus Kills 500,000 Children Annually Despite Vaccine

Rotavirus Kills 500,000 Children Annually Despite Vaccine Vaccines against rotavirus, a leading cause of diarrhea-related deaths among young children, first became available in 2006. However, a new study indicates vaccination has been slow to blunt t

发表于:2019-01-14 / 阅读(37) / 评论(0)

VOA标准英语2011年(十月)

VOA慢速英语20060116a

DEVELOPMENT REPORT - Studies Say New Rotavirus Vaccines Are Safe and EffectiveBy Jill Moss Broadcast: Monday, January 16, 2006 I'm Steve Ember with the VOA Special English Development Report. Studies

发表于:2019-01-16 / 阅读(59) / 评论(0)

2006年慢速英语（一）月

VOA慢速英语20060306a

DEVELOPMENT REPORT - How Do Vaccines Reach the Developing World?By Jill Moss Broadcast: Monday, March 06, 2006 I'm Steve Ember with the VOA Special English Development Report. Guatamalan baby infected

发表于:2019-01-30 / 阅读(33) / 评论(0)

2006年慢速英语（三）月

An Adult Decision

An Adult Decision The year before my son turned 18, he constantly pleaded to be allowed to a tattoo, but I refused to sign permission for one. He argued that soon he would be a man and he should be able to make adult decisions. Sure enough, a few day

发表于:2019-02-16 / 阅读(92) / 评论(0)

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acalephae

account of wages book

achromatic map

aesi

allosteric activator

analog photogrammetric plotting

ancillary structure

Antinfan

asymmetric ionic atmosphere

avdp.

backs-of-an-envelope