标题: 请教语法题一道 [打印本页] 作者: michael_wind 时间: 2003-10-4 21:38 标题: 请教语法题一道 (The astronomy) is the oldest (science), but it (continues) to be (at) the forefront of scientific thought. 答案说是at 错，应该固定用 in the forefront of , 但是，我认为学科名词不加定冠词，the astronomy 是否应为astronomy, ? 谢谢作者: redpassion 时间: 2003-10-4 21:41
特指？ 强调？