请教几道选择题!谢谢!

来源:百度知道 编辑:UC知道 时间:2024/05/18 00:29:36
1. we have developed some new techniques ___ to those used in most factories.
A simpler B better C superior D great
2. Scientists say it may be ten years _____ this medicine was put to use.
A since B before C after D. when
3. He finished his novel in three months,____ was something we had not expected.
1)请翻译并给出答案
2)请给我讲讲为什么
谢谢各位了!

1. C superior to 原形表示比较意义 其它A,B要和than连用
2. B. before在......之前, 还要过10年这种药才能投入使用
3. which 引导非限制性定语从句 他3个月就完成小说,这是我们没有料到的