Do you remember all those years when scientists argued that smoking would kill us but the doubters insisted that we did not know for sure? That the evidence was inconclusive, the science uncertain?请问老师，最后一句the science uncertain是有什么省略吗？这是什么语言现象？
...，Over the past 40 years,the theme of the Party's theories and practise has been to uphold and develop socialism with Chinese characteristics,Xi said. 老师说这个has been to do是系表的完成体，这无疑是对的. 但是to do 做表语表示一次性地 将...
请教老师: Let me share with you something that you may not expect. 中share sth with sb位置互换了，问一下像
Jack told his mother the cat knocked the vase off the table中the vase 与off the table可以互换吗？
可能问题怪，麻烦老师们了，谢谢了！
...əns/ n.距离
inspire /ɪnˈspaɪə(r)/ vt.鼓舞；激励；启发思考 now that 既然；由于 access /ˈækses/ n.通道；(使用、查阅、接近或面见的)机会 vt.进入；使用；获取 charity /ˈtʃærəti/ n.慈善；慈善机构(或组织) go through 经历；度过；通读 toug...
...辑上的被动关系。比如： 1. This was the moment when Neil Armstrong became the first man to step
on the Moon 就在此刻，内尔·阿姆斯特朗成了首位登上月球的人。《柯林斯高阶英汉双解学习词典》2. I'd like to fight him because he's undefeated and I want to be ...