...ting was a way to burn away the sulfur in the copper-so they'd be left with something closer to pure copper.请问老师这里的it指代什么？ 如何理解 it was what happened after/before这类句型？这句话可以改写成 It was the thing which happened after the copper ore ...
...思，越看新概念4的课文越感觉是语文文言文一样了。But the significant thing is not the behavior ofthe players but theattitude ofthe spectators; and, behind the spectators, ofthe nations who work themselves into furies over these absurd contests, and seriously believe—at any...
...rs ago, the origin of eukaryotic life-forms (living things that have cells with true nuclei) about 1.5 billion years ago, and the origin ofanimals about 0.6 billion years ago. 就是上面这个句子，我 买的参考书/辅导机构老师讲解/网络讲解 都不太一样，实在是...
In his latest book, Doing Our Own Thing: The Degradation of Language and Musciand Why We Should, Like, Care, John McWhorter, a linguist and controversialist of mixed liberal and conservative views, sees the triumph of 1960s counter-culture as responsible for the decline of formal English.此处的a...
1. We have to finish, however long it takes. 无论要花多长时间，我们都得完成。2. However you look at it, it was a wicked thing to do. 不管你怎么看待这件事情，它都是一件缺德的事。朗文词典认为上面第1句中的 however 是副词，但第2句中的 however ...
This dry mass ratio and optimum moisture were determined by a serious of conventional physical and mechanical property tests和a series of 的意思有区吗? 使用a serious of更加表示更加严肃认真？