— Yes, now English is more and more important. English ____________ the first language in England and some other countries.
A:am used to; is used by
B:am used to; is used as
C:used to; is used by
D:used to; is used as
秦朝修建咸阳,运用了天体观念。把渭河比作天体的银河“天汉”,以各座宫殿比作星座,四周有许多通道,咸阳宫居中,形成了众星拱辰、屏藩帝都的格局。从咸阳的修建理念可以看出当时的政治理念是( )
厄尔尼诺的原因之一是大气中CO2剧增,为减缓之,最理想燃料是( )
电视机厂计划每月生产电视机500台,技术改造后10个月的产量就比全年计划产量多450台,实际平均每月生产多少台?