一道英语语法题,说说理由

题目

一道英语语法题,说说理由
1.The film was produced in 1979,____ the cultural management system has witnessed great changes.
A.when B.during which C.since then D.since when
2.Mordern equipment and no smoking are two of the things i like ____ working here.
A.with B.over C.at D.about

答案

1题：翻译句型,理解,查单词 the cultural management system has witnessed great changes译为
文化管理体制也经历了一些重大的变化.而since译为自此以后.故选C.
2题Mordern equipment and no smoking are two of the things i like ____ working here题：考察介词用法,译为“现代设备和不抽烟是两个东西我喜欢____在这里工作的”over译为更多,=MORE RAN
with表伴随动作,at作介词为在,about为关于,联系前后,故选D