假如你要向你的主管传递一条信息，从传递到接收，可能发生的障碍是()
A、使用语言不当C
暂无解析
Wehave______at30days’sightfortheamountoftheinvoice.
Inourculture,weareaccustomedtosophisticatedprescriptiondrugscontaininga_____ofchemicalingredients
Evenwiththenewdevelopmentinresearch,onlyatiny________ofalltestsaredonewithoutusinganimals.
TheWesternCouncilforTravelResearchin_______employedthetermvisitor.
Shewas________beunabletospeak
