人类历史上第一个亲眼目睹地球是个球体的人是( )
A.加加休
B.亚里士多德
C.杨利伟
D.麦哲伦
人类历史上第一个亲眼目睹地球是个球体的人是加加林.
故选:A.
The speaker, Professor Davie, __________ for his impressive achievements in physics, was warmly received by all the students in our school.
A.being known
B.known
C.having known
D.to know
接受风险包括风险自担和风险自保两种。风险自担,是指企业预留一笔风险金或随着生产经营的进行,有计划地计提资产减值准备等。风险自保,是指损失发生时,直接将损失摊入成本费用,或冲减利润。 ( )