青藏高原人口稀疏，是因为 [ ]
A．资源贫乏，面积狭小
B．地势高，空气稀薄
C．荒漠，气候干旱
D．全年高温多雨，原始森林广布
答案：B
_____ she heard the news that she won a scholarship, she was very excited.
A．The moment
B．At the moment
C．For the moment
D．A moment
伪造、变造、盗用、买卖、涂改标志，或者擅自调换、损毁加施在检验检疫物上的标志的，按照检验检疫法律、法规规定给予行政处分。
