【单选题】艾滋病是人体感染了艾滋病病毒(HIV)所导致的传染病。下列有关叙述正确的是
A.
艾滋病的病原体是HIV,艾滋病的传染源是艾滋病病毒
B.
艾滋病的传播途径主要是接触传播、性传播、母婴传播
C.
目前预防艾滋病采取的普遍措施是接种预防艾滋病的疫苗
D.
HIV攻击和杀伤人体内的免疫细胞,使人体的免疫功能缺损
【简答题】A.lucky B.expecting C.suspecting D.insisting
【简答题】[A\] living\[B\] depending\[C\] resting\[D\] insisting[A/] living/[B/] depending/[C/] resting/[D/] insisting
【单选题】填入横线处的句子,与上下文衔接最恰当的一项是:( ) 客观地讲,传统的户籍制度对于计划经济背景下维护社会稳定和确保农业的基础地位等,确实起到了“铁篱笆”似的重要作用。__________________。毋庸置疑,广大农民为中国工业化的起步及发展作出了难以估量的巨大牺牲。①“铁篱笆”式的户籍制度不仅钳制了人才的自由流动,阻碍了市场对人力资源的有效配置,而且在客观上伤害了一大批民众尤其是广大农民的感...
【单选题】He is an ______ boy, always insisting on his own rights and opinions.
【单选题】____ insisting on an L/C amendment, we accepted a verbal promise made by the buyer. And now we realise it’s been a big mistake on our side.
【单选题】The specialist is______to identify any particular principle as fundamental, insisting that only when viewed within its proper context can a principle be______.
A.
motivated… second-guessed