【单选题】请问下面歌曲《歌唱祖国》的前奏结束于什么和弦?
【简答题】使气体液化的方法有______和______两种.居民用的液化石油气是在______下,采用______的方法使石油气液化后储存在钢罐中的.
【单选题】请问哪个选项可以更好地把句子补充完整?The World Wildlife Fund has declared that global warming, _____________________________, will create havoc among migratory birds by altering the environment in ways harmful to their...
A.
a phenomenon that most scientists agree is caused by human beings in buring fossil fuels
B.
a phenomenon that most scientists agree is caused by fossil fuels burned by human beings
C.
a phenomenon that most scientists agree is caused by human beings' buring of fossil fuels
D.
a phenomenon that is caused by fossil fuels burned by human beings
【单选题】请问下面歌曲《嘉陵江上》的前奏结束于什么和弦?
【单选题】轿车多采用由电动机驱动的温控电动 ( )
【简答题】企业通过筹资可以形成两种不同性质的资金来源;一是企业的( ),二是企业的( )。