【判断题】.变动成本在一定范围内随产量和销量的变化而变化。 ( )
【单选题】You can’t get back your football_________you finish your work.
【单选题】______ did you finish your work?—Three hours ago.
【单选题】一- will you finish your work? —一In one year.
【简答题】What time do you finish your work today?
【简答题】石榴子石单晶体成分环带,主要与____成分在晶格中的缓慢扩散密切相关。
【单选题】------ What happened to you yesterday evening? Why didn’t you finish your work? ------____ the lights off, we could not continue our work. As a result, we had to leave.
【判断题】1628年3月,国王召开第3届议会,议会提出了”权利请愿书”。()
【简答题】Can you finish your work before dark?___.A. No probiem B. That's Ok C. Never mind D. With pleasure